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

Adds Run key to start application

Badlisted process makes network request

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

Contacts third-party web service commonly abused for C2

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Drops desktop.ini file(s)

Enumerates connected drives

Attempts to read the root path of hard drives other than the default C: drive.

Installs/modifies Browser Helper Object

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

Drops file in System32 directory