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

Unexpected DNS network traffic destination

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

Installs/modifies Browser Helper Object

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

Network Service Discovery

Attempt to gather information on host's network.

Writes to the Master Boot Record (MBR)

Bootkits write to the MBR to gain persistence at a level below the operating system.