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

Loads dropped DLL

Modifies system executable filetype association

Adds Run key to start application

Checks installed software on the system

Looks up Uninstall key entries in the registry to enumerate software on the system.

Checks whether UAC is enabled

Drops desktop.ini file(s)

Installs/modifies Browser Helper Object

BHOs are DLL modules which act as plugins for Internet Explorer.

Checks system information in the registry

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

Drops file in System32 directory

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger