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

Checks for any installed AV software in registry

Downloads MZ/PE file

Drops desktop.ini file(s)

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

Modifies Installed Components in the registry

Modifies Windows Firewall

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