Event Triggered Execution: Component Object Model Hijacking

Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

Modifies system executable filetype association

Checks BIOS information in registry

BIOS information is often read in order to detect sandboxing environments.

Enumerates connected drives

Attempts to read the root path of hard drives other than the default C: drive.

Looks up external IP address via web service

Uses a legitimate IP lookup service to find the infected system's external IP.

AutoIT Executable

AutoIT scripts compiled to PE executables.

Checks computer location settings

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

UPX packed file

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