Deletes itself

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

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

UPX packed file

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

Adds Run key to start application

Maps connected drives based on registry

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

Suspicious use of SetThreadContext