DcRat

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

Dcrat family

Disables service(s)

Modifies Windows Defender Real-time Protection settings

Process spawned unexpected child process

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

Turns off Windows Defender SpyNet reporting

Windows security bypass

DCRat payload

Detects payload of DCRat, commonly dropped by NSIS installers.

Detected Nirsoft tools

Free utilities often used by attackers which can steal passwords, product keys, etc.

Command and Scripting Interpreter: PowerShell

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

Stops running service(s)