General

  • Target

    aa33b4e60f62c9af193617e8073b44c2bf09a6cec1b0eb461d80afe51267ff0c

  • Size

    1.7MB

  • Sample

    250117-gl2bgatpfx

  • MD5

    707f4ad9209b26de91ddd3e1c7e652db

  • SHA1

    53c2b889fff7f9b276262d4ef10d62bd5d738d52

  • SHA256

    aa33b4e60f62c9af193617e8073b44c2bf09a6cec1b0eb461d80afe51267ff0c

  • SHA512

    e520f2354269d33d3cd37374a5e3304c5e62926d09590e1687ee408ce124ee6a1641a3ba4eb51875095a327c31e099b8e7cd8a24335f08c667b9a3db5ebebdfb

  • SSDEEP

    49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:+THUxUoh1IF9gl2

Malware Config

Targets

    • Target

      aa33b4e60f62c9af193617e8073b44c2bf09a6cec1b0eb461d80afe51267ff0c

    • Size

      1.7MB

    • MD5

      707f4ad9209b26de91ddd3e1c7e652db

    • SHA1

      53c2b889fff7f9b276262d4ef10d62bd5d738d52

    • SHA256

      aa33b4e60f62c9af193617e8073b44c2bf09a6cec1b0eb461d80afe51267ff0c

    • SHA512

      e520f2354269d33d3cd37374a5e3304c5e62926d09590e1687ee408ce124ee6a1641a3ba4eb51875095a327c31e099b8e7cd8a24335f08c667b9a3db5ebebdfb

    • SSDEEP

      49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:+THUxUoh1IF9gl2

    • 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