Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 03:10

General

  • Target

    d4f8d53ffbf0c21128a5c2953f67a0e5_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    d4f8d53ffbf0c21128a5c2953f67a0e5

  • SHA1

    a2e9410274669cd1c7fc8937975394feb1a93012

  • SHA256

    a1e9d6e9b4eb9058d81ab0a6b5beb6da485968c3a112c697f5f0ff3df84cd7de

  • SHA512

    14f4163e0f379def6c98dcdf2d1251b4aa404eae3ba402e52a658b66f162d669b722c82c9cbe9aeff9bf192a38ff9c1f616bf47befe8b0ab4e50d41779b01075

  • SSDEEP

    24576:TOj2AnBRfgw+ssVfvTcH561xxnGlsoXmMKIFQJvya1nB2FYqSw1AlMzz7QCoEEMW:TOrfgGs9vTcHo7Gg9nD2F9S3gz7toEEm

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
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 8 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4f8d53ffbf0c21128a5c2953f67a0e5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d4f8d53ffbf0c21128a5c2953f67a0e5_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:184
    • C:\Users\Admin\AppData\Local\Temp\d4f8d53ffbf0c21128a5c2953f67a0e5_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\d4f8d53ffbf0c21128a5c2953f67a0e5_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3888
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:3880
        • C:\Users\Admin\AppData\Roaming\Windupdt\google.exe
          "C:\Users\Admin\AppData\Roaming\Windupdt\google.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:5032
          • C:\Users\Admin\AppData\Roaming\Windupdt\google.exe
            C:\Users\Admin\AppData\Roaming\Windupdt\google.exe
            4⤵
            • Checks BIOS information in registry
            • Executes dropped EXE
            • 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
            • Suspicious use of WriteProcessMemory
            PID:4680
            • C:\Windows\SysWOW64\notepad.exe
              C:\Windows\SysWOW64\notepad.exe
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Windupdt\google.exe

      Filesize

      1.5MB

      MD5

      d4f8d53ffbf0c21128a5c2953f67a0e5

      SHA1

      a2e9410274669cd1c7fc8937975394feb1a93012

      SHA256

      a1e9d6e9b4eb9058d81ab0a6b5beb6da485968c3a112c697f5f0ff3df84cd7de

      SHA512

      14f4163e0f379def6c98dcdf2d1251b4aa404eae3ba402e52a658b66f162d669b722c82c9cbe9aeff9bf192a38ff9c1f616bf47befe8b0ab4e50d41779b01075

    • memory/184-7-0x0000000000400000-0x00000000014AB000-memory.dmp

      Filesize

      16.7MB

    • memory/184-0-0x0000000000400000-0x00000000014AB000-memory.dmp

      Filesize

      16.7MB

    • memory/2600-82-0x0000000000910000-0x0000000000911000-memory.dmp

      Filesize

      4KB

    • memory/3440-8-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/3440-3-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/3440-9-0x00000000032B0000-0x00000000032B1000-memory.dmp

      Filesize

      4KB

    • memory/3440-73-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/3440-6-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/3440-4-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/3888-11-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

      Filesize

      4KB

    • memory/4680-78-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/4680-84-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/4680-85-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/4680-81-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/4680-83-0x0000000013140000-0x00000000131F7000-memory.dmp

      Filesize

      732KB

    • memory/5032-72-0x0000000000400000-0x00000000014AB000-memory.dmp

      Filesize

      16.7MB

    • memory/5032-80-0x0000000000400000-0x00000000014AB000-memory.dmp

      Filesize

      16.7MB