General

  • Target

    970501570f0a621e198be60edc51d91292faa0b74621954d840fb46dab5d892c.exe

  • Size

    1.7MB

  • Sample

    250124-27byxstlgw

  • MD5

    fa16bee9ad161642e30e173ea53b67b5

  • SHA1

    5d72f5f20fa40c1033dc76f59f88ffbc087b04bc

  • SHA256

    970501570f0a621e198be60edc51d91292faa0b74621954d840fb46dab5d892c

  • SHA512

    39c98a666a28b2793617d07263b98ddb786188acf6ce44d9cc8c0ed04eef9a3cb21b0103109894559b77adddc06566bd3b4d084e0e33ab5db635e32e240039c9

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKvs:OTHUxUoh1IF9gl2V

Malware Config

Targets

    • Target

      970501570f0a621e198be60edc51d91292faa0b74621954d840fb46dab5d892c.exe

    • Size

      1.7MB

    • MD5

      fa16bee9ad161642e30e173ea53b67b5

    • SHA1

      5d72f5f20fa40c1033dc76f59f88ffbc087b04bc

    • SHA256

      970501570f0a621e198be60edc51d91292faa0b74621954d840fb46dab5d892c

    • SHA512

      39c98a666a28b2793617d07263b98ddb786188acf6ce44d9cc8c0ed04eef9a3cb21b0103109894559b77adddc06566bd3b4d084e0e33ab5db635e32e240039c9

    • SSDEEP

      49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKvs:OTHUxUoh1IF9gl2V

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks