Modifies file permissions

Boot or Logon Autostart Execution: Active Setup

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

Downloads MZ/PE file

Enumerates connected drives

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

Legitimate hosting services abused for malware hosting/C2

Command and Scripting Interpreter: PowerShell

Start PowerShell.

Drops file in System32 directory

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.

Sets desktop wallpaper using registry