Checks BIOS information in registry

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

Identifies Wine through registry keys

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

Enumerates connected drives

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

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 NtSetInformationThreadHideFromDebugger