Checks BIOS information in registry

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

Identifies Wine through registry keys

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

Loads dropped DLL

Modifies file permissions

Reads user/profile data of web browsers

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

Checks installed software on the system

Looks up Uninstall key entries in the registry to enumerate software on the system.

Checks whether UAC is enabled

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.