General

  • Target
    loader.exe
  • Size 256KB
  • Sample261027-vpqwssts9m
  • SHA256 8adcb39dde88ee76b893c1a33abb45b70075de66a1ce1ff8ae0abdded8f67a66
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • Sazan

C2
  • obcahecoy0.localto.net:10461

  • obcahecoy0.localto.net:6154

Mutex
  • DC_MUTEX-7X2GKWR

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    swp9YgWWhJrX

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target
      loader.exe
    • Size 256KB
    • SHA256 8adcb39dde88ee76b893c1a33abb45b70075de66a1ce1ff8ae0abdded8f67a66
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Darkcomet

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

    • Modifies WinLogon for persistence

    • 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

    • Adds Run key to start application

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks