General

  • Target

    be8b32c5fda66fec2fb82d8fff15011c90c5eaaaf869ae126bfcc61b8e35cb01

  • Size

    252KB

  • Sample

    221014-l2yyhaadd8

  • MD5

    74864d27b17bfb5cc0361f3dad0682f0

  • SHA1

    60692c47dc2b281375f4c5cef204a0a398199a8f

  • SHA256

    be8b32c5fda66fec2fb82d8fff15011c90c5eaaaf869ae126bfcc61b8e35cb01

  • SHA512

    711707974581a2476539e17d38aa297fbb6fb8e02d75c0479f8ff2f0fad0a50c846c488137133407e91070c02bbbfd09e82f6f5e51069af1a2435f3ead089704

  • SSDEEP

    6144:ncNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37:ncW7KEZlPzCy37

Malware Config

Extracted

Family

darkcomet

Botnet

ASD-1

C2

192.168.1.4:1604

Mutex

DC_MUTEX-31Y1MQ5

Attributes
  • InstallPath

    module\reg.exe

  • gencode

    QVMexaPBr0Rj

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    regedit

Targets

    • Target

      be8b32c5fda66fec2fb82d8fff15011c90c5eaaaf869ae126bfcc61b8e35cb01

    • Size

      252KB

    • MD5

      74864d27b17bfb5cc0361f3dad0682f0

    • SHA1

      60692c47dc2b281375f4c5cef204a0a398199a8f

    • SHA256

      be8b32c5fda66fec2fb82d8fff15011c90c5eaaaf869ae126bfcc61b8e35cb01

    • SHA512

      711707974581a2476539e17d38aa297fbb6fb8e02d75c0479f8ff2f0fad0a50c846c488137133407e91070c02bbbfd09e82f6f5e51069af1a2435f3ead089704

    • SSDEEP

      6144:ncNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37:ncW7KEZlPzCy37

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • 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

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks