General

  • Target

    abd9f8aa3568761404062e820be47db1a3bcee625fcff0b2ce4ff4fe1bff983b

  • Size

    1.7MB

  • Sample

    250119-hwt6ksznfm

  • MD5

    92f20cf5b97297600b5272178b6534c7

  • SHA1

    3d7b513aea13d6a7c7e66d0a74d0af11b8d7f625

  • SHA256

    abd9f8aa3568761404062e820be47db1a3bcee625fcff0b2ce4ff4fe1bff983b

  • SHA512

    81f0c12d78f958d1a1d74bd13ed015c878bef5a51040ab9346713a47626a58e163f6568b9f97803b18b49a583b5622c61fd065d9fe957af8763ce80edd3135c4

  • SSDEEP

    49152:z+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:eTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      abd9f8aa3568761404062e820be47db1a3bcee625fcff0b2ce4ff4fe1bff983b

    • Size

      1.7MB

    • MD5

      92f20cf5b97297600b5272178b6534c7

    • SHA1

      3d7b513aea13d6a7c7e66d0a74d0af11b8d7f625

    • SHA256

      abd9f8aa3568761404062e820be47db1a3bcee625fcff0b2ce4ff4fe1bff983b

    • SHA512

      81f0c12d78f958d1a1d74bd13ed015c878bef5a51040ab9346713a47626a58e163f6568b9f97803b18b49a583b5622c61fd065d9fe957af8763ce80edd3135c4

    • SSDEEP

      49152:z+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:eTHUxUoh1IF9gl2

    • 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