Checks computer location settings

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

Maps connected drives based on registry

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

Network Share Discovery

Attempt to gather information on host network.

Writes to the Master Boot Record (MBR)

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

Suspicious use of SetThreadContext