General

  • Target

    JaffaCakes118_6711768084b6e0749bcb3b755220dc70

  • Size

    658KB

  • Sample

    250102-wllncatjer

  • MD5

    6711768084b6e0749bcb3b755220dc70

  • SHA1

    2afeb16409c7886bf0b5839fa3c181033fc98373

  • SHA256

    49b50e3e5302e2e862b1b44bd51e0af50d729e5b7c962b9590a9968e92d46114

  • SHA512

    3ac7f00a5112929555747827be48cdb3d51d6c1c5d90f3b8b6c7da4374bf227e0120fe82ca22b2d0071c078a05959e5e6ebb39f08ea7824057829cc634752e77

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hj:KZ1xuVVjfFoynPaVBUR8f+kN10EBp

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

g93.no-ip.biz:1122

Mutex

DC_MUTEX-M9WL658

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ttnn8ou8ulGW

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_6711768084b6e0749bcb3b755220dc70

    • Size

      658KB

    • MD5

      6711768084b6e0749bcb3b755220dc70

    • SHA1

      2afeb16409c7886bf0b5839fa3c181033fc98373

    • SHA256

      49b50e3e5302e2e862b1b44bd51e0af50d729e5b7c962b9590a9968e92d46114

    • SHA512

      3ac7f00a5112929555747827be48cdb3d51d6c1c5d90f3b8b6c7da4374bf227e0120fe82ca22b2d0071c078a05959e5e6ebb39f08ea7824057829cc634752e77

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hj:KZ1xuVVjfFoynPaVBUR8f+kN10EBp

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks