Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 19:27

General

  • Target

    647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe

  • Size

    757KB

  • MD5

    647d88d8c7c177e2aaf429524353fa2d

  • SHA1

    4263ab251c141d442813e1ceb2c84a3148e7b0fe

  • SHA256

    e5c419e9bcefe6423700d6162fbc3bd2797e00a06f95310ff44f31c566021a84

  • SHA512

    af9bef950795191252f0e2bd412a28a7ae2e7d88aaf4a315c9cb448502f76b9218e64df64d70fc619d07f4ce70d80c9dda678b26087b05b737636f31106d2869

  • SSDEEP

    12288:D9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKS:hAQ6Zx9cxTmOrucTIEFSpOGX

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\647d88d8c7c177e2aaf429524353fa2d_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
        PID:1068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 144
          3⤵
          • Program crash
          PID:2728
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        2⤵
        • Checks BIOS information in registry
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1068 -ip 1068
      1⤵
        PID:4192

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/1068-2-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

        Filesize

        4KB

      • memory/1472-0-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/1472-8-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-5-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-6-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-7-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-9-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-11-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-13-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-12-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-10-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB

      • memory/4960-14-0x0000000013140000-0x000000001320F000-memory.dmp

        Filesize

        828KB