General

  • Target
    https://steamtools.net
  • Sample260719-1tk41ags9z

Malware Config

Targets

    • Target
      https://steamtools.net
    • Renames multiple (6114) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks