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.

Impair Defenses: Safe Mode Boot

Loads dropped DLL

Adds Run key to start application

Checks whether UAC is enabled

Writes to the Master Boot Record (MBR)

Bootkits write to the MBR to gain persistence at a level below the operating system.

Drops file in System32 directory