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

Checks installed software on the system

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

Command and Scripting Interpreter: PowerShell

Using powershell.exe command.

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.

Legitimate hosting services abused for malware hosting/C2

Obfuscated Files or Information: Command Obfuscation

Adversaries may obfuscate content during command execution to impede detection.

Detected potential entity reuse from brand STEAM.

Drops file in System32 directory

Enumerates processes with tasklist