General

  • Target

    http://www.remoteutilities.com/download/host-7.2.2.0.exe

  • Sample

    240522-bb74dafe4s

Malware Config

Targets

    • Target

      http://www.remoteutilities.com/download/host-7.2.2.0.exe

    • RuRAT

      RuRAT is a remote admin tool sold as legitimate software but regularly abused in malicious phishing campaigns.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Blocklisted process makes network request

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks