Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2024 18:29

General

  • Target

    3b749a256a910c8a7c0e928d67739a9f60e833f05993fe8e0747a67fabc8cc3e.exe

  • Size

    732KB

  • MD5

    35d02880cbd2859bb276bb2379cb8e10

  • SHA1

    951cc4f032fd988a25b1ceda202f03797daab367

  • SHA256

    3b749a256a910c8a7c0e928d67739a9f60e833f05993fe8e0747a67fabc8cc3e

  • SHA512

    9f9283b6be1c00780ccd45474f2558bd32a0ff1c803ae57ae4d4fe4ab7f5c5022f88a545f9807219c902b7e49bf4580fb30612faa11fb8c1e51c6a39dd5d830d

  • SSDEEP

    12288:Ei0NjlGoLZoaT3KemwubOvu5Sb44OeG3SUBFNPG4kaWH9j:EipuzT6Wuwu5Sb4XkYjPGIk9j

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 9 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
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2616
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2632
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2776
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3516
                  • C:\Users\Admin\AppData\Local\Temp\3b749a256a910c8a7c0e928d67739a9f60e833f05993fe8e0747a67fabc8cc3e.exe
                    "C:\Users\Admin\AppData\Local\Temp\3b749a256a910c8a7c0e928d67739a9f60e833f05993fe8e0747a67fabc8cc3e.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4968
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3660
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3840
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3988

                        Network

                        MITRE ATT&CK Matrix ATT&CK v13

                        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

                        1
                        T1082

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/4968-0-0x0000000000400000-0x00000000004B8000-memory.dmp
                          Filesize

                          736KB

                        • memory/4968-1-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/4968-5-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/4968-12-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/4968-16-0x0000000076FB2000-0x0000000076FB3000-memory.dmp
                          Filesize

                          4KB

                        • memory/4968-6-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/4968-15-0x0000000076F20000-0x0000000076F30000-memory.dmp
                          Filesize

                          64KB

                        • memory/4968-18-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/4968-20-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/4968-17-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/4968-25-0x0000000000400000-0x00000000004B8000-memory.dmp
                          Filesize

                          736KB

                        • memory/4968-13-0x0000000076F20000-0x0000000076F30000-memory.dmp
                          Filesize

                          64KB

                        • memory/4968-4-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB

                        • memory/4968-3-0x0000000002260000-0x000000000331A000-memory.dmp
                          Filesize

                          16.7MB