Checks BIOS information in registry

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

Writes to the Master Boot Record (MBR)

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

Checks computer location settings

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

Suspicious use of NtSetInformationThreadHideFromDebugger