Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 21:42

General

  • Target

    JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe

  • Size

    659KB

  • MD5

    6feba3d275b110decd6eb87a6049588e

  • SHA1

    221ba0f75e6de67d03fb378a8bf6a5ab5e661ab0

  • SHA256

    34fc174b34a0431f79631830ac22b1fd0c43885c9730b3bcb1be24cdd9b9c575

  • SHA512

    dd06aad41b67b4cdfa6f42086db389f95352c2475784f6c6fd92644551822944deef44992daebf5c3590ed7a70222106a7030ba18701e00e8c42954fdfc42a4f

  • SSDEEP

    12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKJ:XAQ6Zx9cxTmOrucTIEFSpOGg

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 12 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2892
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Windows security bypass
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2676
    • C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      2⤵
      • Windows security bypass
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\SysWOW64\notepad.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windupdt\winupdate.exe

    Filesize

    659KB

    MD5

    6feba3d275b110decd6eb87a6049588e

    SHA1

    221ba0f75e6de67d03fb378a8bf6a5ab5e661ab0

    SHA256

    34fc174b34a0431f79631830ac22b1fd0c43885c9730b3bcb1be24cdd9b9c575

    SHA512

    dd06aad41b67b4cdfa6f42086db389f95352c2475784f6c6fd92644551822944deef44992daebf5c3590ed7a70222106a7030ba18701e00e8c42954fdfc42a4f

  • memory/1052-0-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2676-31-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-39-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2676-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2676-37-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-38-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-35-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-85-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-36-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-40-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-42-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-41-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2676-43-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2892-28-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2892-2-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB