General

  • Target

    7b4594b4e4bd4e6c04f0f595cbe83176_JaffaCakes118

  • Size

    481KB

  • Sample

    241029-a2rcwaypdx

  • MD5

    7b4594b4e4bd4e6c04f0f595cbe83176

  • SHA1

    99f009e0aa9c8381c33cd1c15a262e69b6bd0ac9

  • SHA256

    e8281de33a98377a2f482f952f5edac2002129656cec81bb9887f42f85d54a47

  • SHA512

    d3f1442fa1e5fff4e5047928fe9e3244a186fd8c47fe2c5021454fcc21dc706bba0439e22f603d610c78faba8b7052a8f18df2a22223652a570eb7a394136bdb

  • SSDEEP

    12288:Sl8E4w5huat7UovONzbXw9b1ZDBpXLJSIsD:wdhHwNzbXir9G

Malware Config

Extracted

Family

darkcomet

Botnet

jpg

C2

wormmm.zapto.org:1604

Mutex

DC_MUTEX-FP4VHDL

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Tzqw9TkaSLTW

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      7b4594b4e4bd4e6c04f0f595cbe83176_JaffaCakes118

    • Size

      481KB

    • MD5

      7b4594b4e4bd4e6c04f0f595cbe83176

    • SHA1

      99f009e0aa9c8381c33cd1c15a262e69b6bd0ac9

    • SHA256

      e8281de33a98377a2f482f952f5edac2002129656cec81bb9887f42f85d54a47

    • SHA512

      d3f1442fa1e5fff4e5047928fe9e3244a186fd8c47fe2c5021454fcc21dc706bba0439e22f603d610c78faba8b7052a8f18df2a22223652a570eb7a394136bdb

    • SSDEEP

      12288:Sl8E4w5huat7UovONzbXw9b1ZDBpXLJSIsD:wdhHwNzbXir9G

    • Darkcomet

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

    • Darkcomet family

    • 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

    • 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

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks