Creates a file in the Startup directory

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

Executes dropped EXE

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

Looks up external IP address via web service

Uses a legitimate IP lookup service to find the infected system's external IP.