General

  • Target

    JaffaCakes118_31f58638a0a7fa73b994e499a535a122

  • Size

    1011KB

  • Sample

    250228-gdht6atlw3

  • MD5

    31f58638a0a7fa73b994e499a535a122

  • SHA1

    8e746e1f5ed2cf7a597a3f8aae807b982f314b3a

  • SHA256

    2decd81550f4d79ec936cf7587caf057782c98b4147b604084aa73d599a04a3d

  • SHA512

    c824e522671b70269fdecb96fa46d6ce6ff1221b5e0135f85f68735080a5b0898ae47ad346a08776310c602aeb10c230f4de5c60b07f65c3d344865c47b7eb39

  • SSDEEP

    24576:BvOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:VjYlDZ3+UT/E

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

testpyrolol.no-ip.org:1604

Mutex

DC_MUTEX-46LUR2B

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    36dND8bPztoH

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_31f58638a0a7fa73b994e499a535a122

    • Size

      1011KB

    • MD5

      31f58638a0a7fa73b994e499a535a122

    • SHA1

      8e746e1f5ed2cf7a597a3f8aae807b982f314b3a

    • SHA256

      2decd81550f4d79ec936cf7587caf057782c98b4147b604084aa73d599a04a3d

    • SHA512

      c824e522671b70269fdecb96fa46d6ce6ff1221b5e0135f85f68735080a5b0898ae47ad346a08776310c602aeb10c230f4de5c60b07f65c3d344865c47b7eb39

    • SSDEEP

      24576:BvOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:VjYlDZ3+UT/E

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks