Command and Scripting Interpreter: PowerShell

Using powershell.exe command.

Downloads MZ/PE file

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.

Drops file in System32 directory

Event Triggered Execution: Component Object Model Hijacking

Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

UPX packed file

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