Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2024 13:25

General

  • Target

    2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

  • Size

    4.8MB

  • MD5

    2f5531d81967c8dd1679c1fccaccfa56

  • SHA1

    e491c65f9df096be05c1be4573eb16618b20f729

  • SHA256

    8bc0eae26528b785f20393a5cd5241846b4824de3ef3bfc1cef88b355f322ef0

  • SHA512

    8b6140b0646fcd5a29c8b8d4c4503b35600bd8bd3327d14b158ca2bf826ff5af09919f1c8d02469422f0cf0cc412fadf0d01a26e0c8099128f22e55629cf9d2a

  • SSDEEP

    49152:FQDgok308EE1Lc/LU0Y0d/y31HQXLvesSoAR6O8HRJiF:FQU/bK/LTY0B1WZoAR6NJ2

Malware Config

Extracted

Family

darkcomet

Botnet

Mal

C2

cenkisgod.duckdns.org:1604

Mutex

DC_MUTEX-KQ70CB5

Attributes
  • InstallPath

    svchost.exe

  • gencode

    B3JeokQztkF1

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    System

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\CSGOINJECTOR.EXE
      "C:\Users\Admin\AppData\Local\Temp\CSGOINJECTOR.EXE"
      2⤵
      • Executes dropped EXE
      PID:3056
    • C:\Windows\SysWOW64\B3JeokQztkF1\svchost.exe
      "C:\Windows\system32\B3JeokQztkF1\svchost.exe"
      2⤵
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
          PID:2672

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Defense Evasion

    Modify Registry

    5
    T1112

    Impair Defenses

    2
    T1562

    Disable or Modify Tools

    2
    T1562.001

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\CSGOINJECTOR.EXE
      Filesize

      4.1MB

      MD5

      ec06d885f4fc1cec0e225ed8a4d3bbee

      SHA1

      070585ef1c8c397aa5a5e2bbe00571b5bd44ad61

      SHA256

      fccbe29401728f2b52da85fbe9be48ddd6ba93deb48844c6bd66fa206defe67a

      SHA512

      38106dba85019a39700b06973f327b61f1c12245643b072c4e485552e2e32462eacd4c0197f5062185b260df4ce6a79103891ffc894bf74ad2d319c4c377fac4

    • \Windows\SysWOW64\B3JeokQztkF1\svchost.exe
      Filesize

      4.8MB

      MD5

      2f5531d81967c8dd1679c1fccaccfa56

      SHA1

      e491c65f9df096be05c1be4573eb16618b20f729

      SHA256

      8bc0eae26528b785f20393a5cd5241846b4824de3ef3bfc1cef88b355f322ef0

      SHA512

      8b6140b0646fcd5a29c8b8d4c4503b35600bd8bd3327d14b158ca2bf826ff5af09919f1c8d02469422f0cf0cc412fadf0d01a26e0c8099128f22e55629cf9d2a

    • memory/2148-58-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2148-0-0x00000000003F0000-0x00000000003F1000-memory.dmp
      Filesize

      4KB

    • memory/2596-63-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-64-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-59-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-60-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-61-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-62-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-72-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-71-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-65-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-66-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-67-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-68-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-69-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2596-70-0x0000000000400000-0x00000000008D4000-memory.dmp
      Filesize

      4.8MB

    • memory/2672-57-0x0000000000220000-0x0000000000221000-memory.dmp
      Filesize

      4KB

    • memory/2672-19-0x0000000000080000-0x0000000000081000-memory.dmp
      Filesize

      4KB