General

  • Target

    JaffaCakes118_6fb02131b924636a32833678fcb08690

  • Size

    730KB

  • Sample

    250103-z2nz7atlgz

  • MD5

    6fb02131b924636a32833678fcb08690

  • SHA1

    d9f298aaf401048496632a357dbe7d6686719caf

  • SHA256

    256844f7896d110ca48165fd4171b6a0f74c53348847a2d53439ac69a19cbf34

  • SHA512

    e7fa9e33f926f0bd7f676de7a3cc07dd97b178967a23914290fa85ed17fcd9ab51673997b60808572e1f2e8469dd7a031482d11c29c54873e4984ebfe62f8b4e

  • SSDEEP

    12288:7Q9HfQVJUCSmqrdLTU1afextpqVjuQ3+ZOm8mJM4CWRPvCzsGiZu1Flt6Km9kk8g:7rkTU1tIRrZrmJ9PFZgrmP3aGRM/q

Malware Config

Extracted

Family

darkcomet

Botnet

Victims

C2

marinikework.no-ip.biz:81

Mutex

DC_MUTEX-PXVT27J

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    CBlGa19lbxro

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_6fb02131b924636a32833678fcb08690

    • Size

      730KB

    • MD5

      6fb02131b924636a32833678fcb08690

    • SHA1

      d9f298aaf401048496632a357dbe7d6686719caf

    • SHA256

      256844f7896d110ca48165fd4171b6a0f74c53348847a2d53439ac69a19cbf34

    • SHA512

      e7fa9e33f926f0bd7f676de7a3cc07dd97b178967a23914290fa85ed17fcd9ab51673997b60808572e1f2e8469dd7a031482d11c29c54873e4984ebfe62f8b4e

    • SSDEEP

      12288:7Q9HfQVJUCSmqrdLTU1afextpqVjuQ3+ZOm8mJM4CWRPvCzsGiZu1Flt6Km9kk8g:7rkTU1tIRrZrmJ9PFZgrmP3aGRM/q

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks