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.

Executes dropped EXE

Modifies system executable filetype association

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.