General

  • Target

    JaffaCakes118_0aca758a485838013aca215d7392c5f0

  • Size

    756KB

  • Sample

    250220-kg9c3asny8

  • MD5

    0aca758a485838013aca215d7392c5f0

  • SHA1

    1bc185c26c75235442230e8b6d2dd9ad091cb51a

  • SHA256

    ba4d4ecfa44a0a6714c66343f3bc91bddbdcb092a6c9b6dfd92e6e08b1a633b8

  • SHA512

    293e26155107057f363fa87549b3b4b224ac794c0a4c38e27d07fb7cc0cf978633981a3613a450e151fd2df000724edcc88ee6cda92e5b3323ebc3c20f14aeaf

  • SSDEEP

    12288:u9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h+qMd0QZht:6Z1xuVVjfFoynPaVBUR8f+kN10EBcD0u

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

10.1.1.103:1604

Mutex

DC_MUTEX-J67DSUM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    x4WFiNFxDswT

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_0aca758a485838013aca215d7392c5f0

    • Size

      756KB

    • MD5

      0aca758a485838013aca215d7392c5f0

    • SHA1

      1bc185c26c75235442230e8b6d2dd9ad091cb51a

    • SHA256

      ba4d4ecfa44a0a6714c66343f3bc91bddbdcb092a6c9b6dfd92e6e08b1a633b8

    • SHA512

      293e26155107057f363fa87549b3b4b224ac794c0a4c38e27d07fb7cc0cf978633981a3613a450e151fd2df000724edcc88ee6cda92e5b3323ebc3c20f14aeaf

    • SSDEEP

      12288:u9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h+qMd0QZht:6Z1xuVVjfFoynPaVBUR8f+kN10EBcD0u

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks