General

  • Target

    https://www.youtube.com/watch?v=s86Ah3TFqO0&lc=UgxqJr11GcrC6PbNAOV4AaABAg

  • Sample

    240619-gkjd9szcpj

Malware Config

Targets

    • Target

      https://www.youtube.com/watch?v=s86Ah3TFqO0&lc=UgxqJr11GcrC6PbNAOV4AaABAg

    • DcRat

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

    • Modifies WinLogon for persistence

    • 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.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks