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General

  • Target

    https://github.com/NighfallGT/Mercurial-Grabber/releases

  • Sample

    230704-zr8lvabc5z

Malware Config

Targets

    • Target

      https://github.com/NighfallGT/Mercurial-Grabber/releases

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • 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.

    • Detected potential entity reuse from brand google.

MITRE ATT&CK Enterprise v6

Tasks