General

  • Target

    JaffaCakes118_1efdb83714007108190f2944d1daf62a

  • Size

    1.3MB

  • Sample

    250223-g1jpzazpx3

  • MD5

    1efdb83714007108190f2944d1daf62a

  • SHA1

    64b18fd6f491158e4376192c4a8f49a48afc6cb7

  • SHA256

    50fb26660e3e27515aeabfa0faa1a32a407e704700960cac1c8cb90362396a87

  • SHA512

    70dcb2fff90d5a746c9aa1eaa5a03a8c5fad3dcdaf0226a5cb83a4160191dbcdb445541df3291cff9de1899a24f6ad023eb421bc833c709cdd9c3415b94c2eb1

  • SSDEEP

    24576:Ob90u0wwuFQZfpcYRzCL8VlJuxHQ6YqJoJ4Sa6N1vvKht4Wji3GaHr:xwwiOBzJmYqJu4SaOa6GaHr

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

baxbax2.myftp.org:1604

Mutex

DC_MUTEX-12KF4QC

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    NfRWBYBXnpXE

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_1efdb83714007108190f2944d1daf62a

    • Size

      1.3MB

    • MD5

      1efdb83714007108190f2944d1daf62a

    • SHA1

      64b18fd6f491158e4376192c4a8f49a48afc6cb7

    • SHA256

      50fb26660e3e27515aeabfa0faa1a32a407e704700960cac1c8cb90362396a87

    • SHA512

      70dcb2fff90d5a746c9aa1eaa5a03a8c5fad3dcdaf0226a5cb83a4160191dbcdb445541df3291cff9de1899a24f6ad023eb421bc833c709cdd9c3415b94c2eb1

    • SSDEEP

      24576:Ob90u0wwuFQZfpcYRzCL8VlJuxHQ6YqJoJ4Sa6N1vvKht4Wji3GaHr:xwwiOBzJmYqJu4SaOa6GaHr

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • 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