General

  • Target

    https://github.com/VatosV2/Nexus-MultiTool/releases/download/MultiToolV4.2/Nexus-MultiTool-Latest-v4.2.zip

  • Sample

    241010-xc3e6swemr

Malware Config

Targets

    • Target

      https://github.com/VatosV2/Nexus-MultiTool/releases/download/MultiToolV4.2/Nexus-MultiTool-Latest-v4.2.zip

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

    • Looks up external IP address via web service

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

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Enumerates processes with tasklist

    • Probable phishing domain

MITRE ATT&CK Enterprise v15

Tasks