General

  • Target

    09bfb1d25b618885b0194f38a0ce00baf6730bbb7d77729ffa56cb1066d0f027

  • Size

    332KB

  • Sample

    221123-s7vlladc43

  • MD5

    febad9528996280bd43136cc003d647f

  • SHA1

    cf955390533e9d4bf2ce02ade42e7c58ddcd1c83

  • SHA256

    09bfb1d25b618885b0194f38a0ce00baf6730bbb7d77729ffa56cb1066d0f027

  • SHA512

    eea93e8b6a870abdf22ba339588ec1f40e38cfd1e5794ad8e026ea8c796d425a4dbd9551775261c14b2d5dc9cbd4db3122b859859e8a6e830c4b904f7ba78efb

  • SSDEEP

    6144:04buZLK2Qxnkz45Se1zKLLpRlLOze0eUge9EOw0+TOnlQJB0zL8:04buZ22Qx7Se1+1Rlo3eBAJ+inuJn

Malware Config

Extracted

Family

darkcomet

Botnet

DarkComet

C2

darthangel.ddns.net:20000

tacoflocka.zapto.org:20000

Mutex

DC_MUTEX-MWH7CVZ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    kc5F7AaTTT1P

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      09bfb1d25b618885b0194f38a0ce00baf6730bbb7d77729ffa56cb1066d0f027

    • Size

      332KB

    • MD5

      febad9528996280bd43136cc003d647f

    • SHA1

      cf955390533e9d4bf2ce02ade42e7c58ddcd1c83

    • SHA256

      09bfb1d25b618885b0194f38a0ce00baf6730bbb7d77729ffa56cb1066d0f027

    • SHA512

      eea93e8b6a870abdf22ba339588ec1f40e38cfd1e5794ad8e026ea8c796d425a4dbd9551775261c14b2d5dc9cbd4db3122b859859e8a6e830c4b904f7ba78efb

    • SSDEEP

      6144:04buZLK2Qxnkz45Se1zKLLpRlLOze0eUge9EOw0+TOnlQJB0zL8:04buZ22Qx7Se1+1Rlo3eBAJ+inuJn

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks