Analysis

  • max time kernel
    120s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2024 19:25

General

  • Target

    dbc44a4aaa29d2c544e723bba06b33793fe7b8e744b65ef6930177d31760b0a6.exe

  • Size

    612KB

  • MD5

    da4ed8321c53d9b4e161a930eb1d3e1c

  • SHA1

    5f5aa7df3ce20d76b77925752ab6be24d9502b12

  • SHA256

    dbc44a4aaa29d2c544e723bba06b33793fe7b8e744b65ef6930177d31760b0a6

  • SHA512

    ca9c4e4b1d2a0b951c507c45aee02083041975fc2c45b8178028d570b33f9979251ac5d1d74697c2bfa5a4d32f5e58b894d6f9322cd287098ad35df8f5360fef

  • SSDEEP

    12288:wijxRW6eWZ/J0jFomeUkyej14X0Wulmw9F:ZPeWZaFFeUHFX0WuMw9F

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
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 38 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:820
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:828
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2560
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2588
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2748
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3552
                  • C:\Users\Admin\AppData\Local\Temp\dbc44a4aaa29d2c544e723bba06b33793fe7b8e744b65ef6930177d31760b0a6.exe
                    "C:\Users\Admin\AppData\Local\Temp\dbc44a4aaa29d2c544e723bba06b33793fe7b8e744b65ef6930177d31760b0a6.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 FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:740
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3688
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3856
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3948
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3620
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:372
                              • 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:4828
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4748
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4664
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1916
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1556
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3336
                                          • C:\Windows\system32\BackgroundTransferHost.exe
                                            "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                            1⤵
                                              PID:780

                                            Network

                                            MITRE ATT&CK Matrix ATT&CK v13

                                            Initial Access

                                            Replication Through Removable Media

                                            1
                                            T1091

                                            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

                                            Discovery

                                            System Information Discovery

                                            2
                                            T1082

                                            Query Registry

                                            1
                                            T1012

                                            Peripheral Device Discovery

                                            1
                                            T1120

                                            Lateral Movement

                                            Replication Through Removable Media

                                            1
                                            T1091

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • F:\kvmt.exe
                                              Filesize

                                              97KB

                                              MD5

                                              3aae3cd5b0d0197e1b9def5fad3bc7a6

                                              SHA1

                                              a8d3fc82c36ba7f21de5701aa19840aed569992c

                                              SHA256

                                              2d1aa8a536a2a0132e95319055910a09d7596c8835da31c7c6e2c99e8a939aa6

                                              SHA512

                                              757a0b3a7d7073dd78fc1b46204f953c5aea37d875bcd01e81bffb2d7cdda51f48de016a0712bed48667759dd778e5ca94841a7d36ca70089f40181b4f49651c

                                            • memory/740-32-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-73-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-3-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-22-0x00000000041B0000-0x00000000041B2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/740-24-0x00000000041B0000-0x00000000041B2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/740-18-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-23-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-17-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-10-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-21-0x0000000076FE2000-0x0000000076FE3000-memory.dmp
                                              Filesize

                                              4KB

                                            • memory/740-20-0x0000000004300000-0x0000000004301000-memory.dmp
                                              Filesize

                                              4KB

                                            • memory/740-19-0x00000000041B0000-0x00000000041B2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/740-9-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-8-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-31-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-7-0x0000000076F50000-0x0000000076F60000-memory.dmp
                                              Filesize

                                              64KB

                                            • memory/740-6-0x0000000076F50000-0x0000000076F60000-memory.dmp
                                              Filesize

                                              64KB

                                            • memory/740-25-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-26-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-27-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-28-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-29-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-5-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-11-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-48-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-35-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-36-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-37-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-40-0x0000000000710000-0x0000000000729000-memory.dmp
                                              Filesize

                                              100KB

                                            • memory/740-42-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-44-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-46-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-33-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-51-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-52-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-54-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-56-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-59-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-60-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-68-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-70-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-72-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-0-0x0000000000400000-0x000000000049D000-memory.dmp
                                              Filesize

                                              628KB

                                            • memory/740-75-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-77-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-79-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/740-85-0x00000000041B0000-0x00000000041B2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/740-4-0x00000000022D0000-0x000000000338A000-memory.dmp
                                              Filesize

                                              16.7MB