General

  • Target
    http://exfil5gqmbxrg6yky5aeitkdj7kfwxxjh3wxzrtlewjqi2x67o634iyd.onion/
  • Sample260807-rnxfeafl9z

Malware Config

Targets

    • Target
      http://exfil5gqmbxrg6yky5aeitkdj7kfwxxjh3wxzrtlewjqi2x67o634iyd.onion/
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Network Share Discovery

      Attempt to gather information on host network.

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks