General

  • Target
    https://github.com/steamware-dev/steamware/releases/download/Bootstrapper/setup/SteamwareBootstrap.exe
  • Sample260723-wsjsbsstgx

Malware Config

Targets

    • Target
      https://github.com/steamware-dev/steamware/releases/download/Bootstrapper/setup/SteamwareBootstrap.exe
    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks