Overview

overview

10

Static

static

3

2024-06-28...re.exe

windows7-x64

10

2024-06-28...re.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    137s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 19:53

Sharing

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General

  • Target

    2024-06-28_26e04e502d8fcc1c625f730cee943e14_bkransomware.exe

  • Size

    524KB

  • MD5

    26e04e502d8fcc1c625f730cee943e14

  • SHA1

    f8c9675019484b7d65bc37264fde5a18585de7a2

  • SHA256

    7e96634b34fe8e481c04f8b6c7227f813f4410469e299ed4f1c93e0b3b0779e3

  • SHA512

    4387020a593a09e1d7ad3b00d0def57d08217de2fbf000de38c5c497d4b1935f3d60dda9f0973f4f2c3cd3a1d71e2a21b97cc89ecbe0f207b852fa2a6b10af22

  • SSDEEP

    6144:2oyZmTAsfJFakxaLjcMkc0Cax1P0Gp6bYA0w601+dNT9/0626ASkVOAF57s7M0rO:2oyIJsMPrPBp6bYboEdN8y1rO

Score
10/10
salitybackdoorevasiontrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 39 IoCs
  • UPX dump on OEP (original entry point) 39 IoCs
  • UPX packed file 39 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2408
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2420
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2524
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3316
                  • C:\Users\Admin\AppData\Local\Temp\2024-06-28_26e04e502d8fcc1c625f730cee943e14_bkransomware.exe
                    "C:\Users\Admin\AppData\Local\Temp\2024-06-28_26e04e502d8fcc1c625f730cee943e14_bkransomware.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4028
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3448
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3688
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3780
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3876
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3956
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3528
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4504
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                1⤵
                                  PID:4896
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4516
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                                    1⤵
                                      PID:4792
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x2f0,0x7ff88d9a2e98,0x7ff88d9a2ea4,0x7ff88d9a2eb0
                                        2⤵
                                          PID:3460
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=3080 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:2
                                          2⤵
                                            PID:3936
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3124 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:3
                                            2⤵
                                              PID:4116
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3096 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
                                              2⤵
                                                PID:2760
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --mojo-platform-channel-handle=5332 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:1
                                                2⤵
                                                  PID:912
                                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --mojo-platform-channel-handle=5552 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:1
                                                  2⤵
                                                    PID:4420
                                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3688 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
                                                    2⤵
                                                      PID:1992

                                                  Network

                                                  MITRE ATT&CK Matrix ATT&CK v13

                                                  Initial Access

                                                  Replication Through Removable Media

                                                  1
                                                  T1091

                                                  Execution

                                                  Persistence

                                                  Create or Modify System Process

                                                  1
                                                  T1543

                                                  Windows Service

                                                  1
                                                  T1543.003

                                                  Privilege Escalation

                                                  Create or Modify System Process

                                                  1
                                                  T1543

                                                  Windows Service

                                                  1
                                                  T1543.003

                                                  Abuse Elevation Control Mechanism

                                                  1
                                                  T1548

                                                  Bypass User Account Control

                                                  1
                                                  T1548.002

                                                  Defense Evasion

                                                  Modify Registry

                                                  5
                                                  T1112

                                                  Impair Defenses

                                                  4
                                                  T1562

                                                  Disable or Modify Tools

                                                  3
                                                  T1562.001

                                                  Disable or Modify System Firewall

                                                  1
                                                  T1562.004

                                                  Abuse Elevation Control Mechanism

                                                  1
                                                  T1548

                                                  Bypass User Account Control

                                                  1
                                                  T1548.002

                                                  Credential Access

                                                  Discovery

                                                  System Information Discovery

                                                  2
                                                  T1082

                                                  Query Registry

                                                  1
                                                  T1012

                                                  Peripheral Device Discovery

                                                  1
                                                  T1120

                                                  Lateral Movement

                                                  Replication Through Removable Media

                                                  1
                                                  T1091

                                                  Collection

                                                  Exfiltration

                                                  Command and Control

                                                  Impact

                                                  Resource Development

                                                  Reconnaissance

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • F:\cpjfje.pif
                                                    Filesize

                                                    97KB

                                                    MD5

                                                    24f684e7fc70fa6d9a3e9cbfb21e1c90

                                                    SHA1

                                                    6376eca50979b20fabea66c86e04f4509397fe1b

                                                    SHA256

                                                    6a689178193d997c1c8d482ac60a521a544d78a47b6d47f3c128b20b725090fe

                                                    SHA512

                                                    c052ae6e029330c5a3f5af1eb76fe7ccb4e90d88e3cbac0b5e0ba58ad2d33fad05c1252991a7e3cb8d1d5ba2c882691590875beb9e7e17ec12f4c594d06d4677

                                                    Download Submit
                                                  • memory/4028-30-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-77-0x00000000045E0000-0x00000000045E2000-memory.dmp
                                                    Filesize

                                                    8KB

                                                    Download
                                                  • memory/4028-9-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-31-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-8-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-6-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-4-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-10-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-3-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-7-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-13-0x00000000045E0000-0x00000000045E2000-memory.dmp
                                                    Filesize

                                                    8KB

                                                    Download
                                                  • memory/4028-15-0x00000000045E0000-0x00000000045E2000-memory.dmp
                                                    Filesize

                                                    8KB

                                                    Download
                                                  • memory/4028-14-0x0000000005030000-0x0000000005031000-memory.dmp
                                                    Filesize

                                                    4KB

                                                    Download
                                                  • memory/4028-20-0x00000000045E0000-0x00000000045E2000-memory.dmp
                                                    Filesize

                                                    8KB

                                                    Download
                                                  • memory/4028-22-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-21-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-23-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-33-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-25-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-27-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-28-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-0-0x0000000000400000-0x0000000000488000-memory.dmp
                                                    Filesize

                                                    544KB

                                                    Download
                                                  • memory/4028-11-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-5-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-24-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-37-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-38-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-41-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-43-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-45-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-47-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-49-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-52-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-53-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-55-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-57-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-60-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-59-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-62-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-68-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-70-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-72-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-74-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-32-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download
                                                  • memory/4028-1-0x0000000002350000-0x000000000340A000-memory.dmp
                                                    Filesize

                                                    16.7MB

                                                    Download