Checks BIOS information in registry

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

Executes dropped EXE

Themida packer

Detects Themida, an advanced Windows software protection 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.

Maps connected drives based on registry

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

Suspicious use of NtSetInformationThreadHideFromDebugger

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.