Checks BIOS information in registry

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

Checks computer location settings

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

Executes dropped EXE

Indicator Removal: Clear Windows Event Logs

Clear Windows Event Logs to hide the activity of an intrusion.

Adds Run key to start application

Contacts third-party web service commonly abused for C2

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Enumerates connected drives

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

Looks up external IP address via web service

Uses a legitimate IP lookup service to find the infected system's external IP.

Writes to the Master Boot Record (MBR)

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

Drops file in System32 directory