General

  • Target

    https://cdn.discordapp.com/attachments/1311132903513784388/1311379460439670867/SteamtoolsSetup.exe?ex=6757254b&is=6755d3cb&hm=6ff1dda99a5dc913e3645f609584cf02a861a25bbb26f55383f4b6bb433391f2&

  • Sample

    241209-b3qy6ssmbj

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1311132903513784388/1311379460439670867/SteamtoolsSetup.exe?ex=6757254b&is=6755d3cb&hm=6ff1dda99a5dc913e3645f609584cf02a861a25bbb26f55383f4b6bb433391f2&

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Detected potential entity reuse from brand STEAM.

MITRE ATT&CK Enterprise v15

Tasks