Checks BIOS information in registry

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

Executes dropped EXE

Loads dropped DLL

Themida packer

Detects Themida, an advanced Windows software protection system.

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.

Checks whether UAC is enabled

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

Suspicious use of NtSetInformationThreadHideFromDebugger