UPX packed file

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

Loads dropped DLL

Checks BIOS information in registry

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

Executes dropped EXE

Loads dropped DLL

Stops running service(s)

Adds Run key to start application

Badlisted process makes network request

Network request originating from process or tool commonly abused by malware.

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