Checks BIOS information in registry

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

Themida packer

Detects Themida, an advanced Windows software protection system.

Checks whether UAC is enabled

Indicator Removal: File Deletion

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

Maps connected drives based on registry

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

Modifies boot configuration data using bcdedit

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