Checks BIOS information in registry

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

Reads user/profile data of web browsers

Infostealers often target stored browser data, which can include saved credentials etc.

Adds Run key to start application

Boot or Logon Autostart Execution: Active Setup

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

Checks for any installed AV software in registry

Checks whether UAC is enabled

Creates a large amount of network flows

This may indicate a network scan to discover remotely running services.

Downloads MZ/PE file

Enumerates connected drives

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

Event Triggered Execution: Image File Execution Options Injection

Modifies powershell logging option

Writes to the Master Boot Record (MBR)

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

AutoIT Executable

AutoIT scripts compiled to PE executables.

Checks computer location settings

Looks up country code configured in the registry, likely geofence.

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.