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General

  • Target

    701e418837c6325340b5b4e3cdc30803_JaffaCakes118

  • Size

    836KB

  • Sample

    240725-sl2ssazana

  • MD5

    701e418837c6325340b5b4e3cdc30803

  • SHA1

    ef21e96c4643f0c0736c6e33b25360d4e9f6674f

  • SHA256

    a6d49f10562fc3a4e5110847859ec9e69a1bf8ec0e6829dbca5c95c2ef68dc1f

  • SHA512

    69c5a99c0e44cd74ad4be7cc301ad348f0c99fe0cca3008daeb42c336250e4f0a2d9054ff6a1762d74276cce1c574307e035d66edc1405006b586ddd710ef3e5

  • SSDEEP

    24576:lKUxEfCEWTh5YfB9ElFmKfydKMzX5CHwhb8mjZ:lKEEqE8hG0mKKdjMQ/

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

darkcomet2013.no-ip.biz:1500

192.168.1.71:1500

Mutex

DC_MUTEX-YKTADE4

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    JjcA0G04gMqw

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      701e418837c6325340b5b4e3cdc30803_JaffaCakes118

    • Size

      836KB

    • MD5

      701e418837c6325340b5b4e3cdc30803

    • SHA1

      ef21e96c4643f0c0736c6e33b25360d4e9f6674f

    • SHA256

      a6d49f10562fc3a4e5110847859ec9e69a1bf8ec0e6829dbca5c95c2ef68dc1f

    • SHA512

      69c5a99c0e44cd74ad4be7cc301ad348f0c99fe0cca3008daeb42c336250e4f0a2d9054ff6a1762d74276cce1c574307e035d66edc1405006b586ddd710ef3e5

    • SSDEEP

      24576:lKUxEfCEWTh5YfB9ElFmKfydKMzX5CHwhb8mjZ:lKEEqE8hG0mKKdjMQ/

    • Darkcomet

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

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks