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.

Adds Run key to start application

Enumerates connected drives

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

Indicator Removal: File Deletion

Adversaries may delete files left behind by the actions of their intrusion activity.

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