Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 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:2252
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      PID:2708
    • 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:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\Windupdt\winupdate.exe

    Filesize

    757KB

    MD5

    647d88d8c7c177e2aaf429524353fa2d

    SHA1

    4263ab251c141d442813e1ceb2c84a3148e7b0fe

    SHA256

    e5c419e9bcefe6423700d6162fbc3bd2797e00a06f95310ff44f31c566021a84

    SHA512

    af9bef950795191252f0e2bd412a28a7ae2e7d88aaf4a315c9cb448502f76b9218e64df64d70fc619d07f4ce70d80c9dda678b26087b05b737636f31106d2869

  • memory/2252-0-0x0000000001B30000-0x0000000001B31000-memory.dmp

    Filesize

    4KB

  • memory/2252-34-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-36-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-42-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-29-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-33-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-43-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-39-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-37-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-35-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-38-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2596-40-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2596-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2596-41-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2708-2-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2708-24-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB