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

Loads dropped DLL

Reads user/profile data of local email clients

Email clients store some user data on disk where infostealers will often target it.

Reads user/profile data of web browsers

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

Themida packer

Detects Themida, an advanced Windows software protection system.

Accesses cryptocurrency files/wallets, possible credential harvesting

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

Drops autorun.inf file

Malware can abuse Windows Autorun to spread further via attached volumes.

Suspicious use of NtSetInformationThreadHideFromDebugger