Checks computer location settings

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

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Checks for any installed AV software in registry

Creates a large amount of network flows

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

Drops Chrome extension

Legitimate hosting services abused for malware hosting/C2

Writes to the Master Boot Record (MBR)

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