Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/09/2024, 02:42

General

  • Target
    f11f2f72fb64a0fe22eee9d29b29604c_JaffaCakes118.exe
  • Size 673KB
  • Sample240922-c7g3haybpp
  • SHA256 91fd6157fad77abb31ac7d6a21ec926f52c3e4a7c947c999f556342477847aac
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • Guest16

C2
  • darkcometer.no-ip.info:1604

Mutex
  • DC_MUTEX-9XFMS11

Attributes
  • gencode

    jKGAkMBAkjAH

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f11f2f72fb64a0fe22eee9d29b29604c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f11f2f72fb64a0fe22eee9d29b29604c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\Crypted.exe
      "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4996

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Crypted.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Crypted.exe
        • Size 649KB
        • SHA256 1519a37f31bbf294fff12c01208554c4103b39b50173c58c2e7cedabe35d1b37
        • MD5 SHA1 SHA512 SSDEEP

        memory/2744-0-0x00007FFACF0E5000-0x00007FFACF0E6000-memory.dmp

        memory/2744-2-0x000000001BD70000-0x000000001C23E000-memory.dmp

        memory/2744-1-0x00007FFACEE30000-0x00007FFACF7D1000-memory.dmp

        memory/2744-3-0x000000001B760000-0x000000001B7FC000-memory.dmp

        memory/2744-4-0x000000001C3F0000-0x000000001C496000-memory.dmp

        memory/2744-5-0x000000001B830000-0x000000001B838000-memory.dmp

        memory/2744-6-0x00007FFACEE30000-0x00007FFACF7D1000-memory.dmp

        memory/2744-19-0x00007FFACEE30000-0x00007FFACF7D1000-memory.dmp

        memory/4996-23-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-27-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-22-0x00000000023F0000-0x00000000023F1000-memory.dmp

        memory/4996-20-0x00000000023F0000-0x00000000023F1000-memory.dmp

        memory/4996-24-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-25-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-26-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-21-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-28-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-29-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-30-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-31-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-32-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-33-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-34-0x0000000000400000-0x00000000004B0000-memory.dmp

        memory/4996-35-0x0000000000400000-0x00000000004B0000-memory.dmp