Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-01-2025 05:39

General

  • Target

    JaffaCakes118_6a8be2ce0a8c195ae7c76f4664e423b0.exe

  • Size

    690KB

  • MD5

    6a8be2ce0a8c195ae7c76f4664e423b0

  • SHA1

    41330c95dfc3d8b5ccba88a4011b3d65905a6a98

  • SHA256

    7ede8896911e3d481bd95fff720e2c9d9b8f6bdee57138952852860dfe45e72c

  • SHA512

    087d7c4fb3dc1f3daead38373a1160e246ae1367d236f8e8807ea6748bde4e4aed63efda24b8a81143d247a76a8a887746bd627ff0c30e5c376a2a1e8becbec3

  • SSDEEP

    12288:N9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hTP:nZ1xuVVjfFoynPaVBUR8f+kN10EBl

Malware Config

Extracted

Family

darkcomet

Botnet

ashiyane00.no-ip.info

C2

127.0.0.1:1604

Mutex

DC_MUTEX-DY8RW8P

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    gjHijKePTQzX

  • install

    true

  • offline_keylogger

    true

  • password

    0123456789

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 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 2 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 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8be2ce0a8c195ae7c76f4664e423b0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8be2ce0a8c195ae7c76f4664e423b0.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    690KB

    MD5

    6a8be2ce0a8c195ae7c76f4664e423b0

    SHA1

    41330c95dfc3d8b5ccba88a4011b3d65905a6a98

    SHA256

    7ede8896911e3d481bd95fff720e2c9d9b8f6bdee57138952852860dfe45e72c

    SHA512

    087d7c4fb3dc1f3daead38373a1160e246ae1367d236f8e8807ea6748bde4e4aed63efda24b8a81143d247a76a8a887746bd627ff0c30e5c376a2a1e8becbec3

  • memory/2736-14-0x0000000002280000-0x0000000002281000-memory.dmp

    Filesize

    4KB

  • memory/2736-16-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4792-0-0x0000000002120000-0x0000000002121000-memory.dmp

    Filesize

    4KB

  • memory/4792-15-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB