Writes a Windows system DLL name to a user directory

A module named after a system DLL outside System32 can be loaded instead of the real one by a program searching that directory.

Adds Run key to start application

Downloads MZ/PE file

Enumerates connected drives

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

Network Service Discovery

Attempt to gather information on host's network.

Checks computer location settings

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

Drops file in System32 directory

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.

UPX packed file

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