: Look for the creation of files in the Startup directory or registry keys meant to maintain access after a reboot.

If "Hagme2902.rar" is part of a known campaign, it may follow these common patterns: Malware Analysis Report - CISA

: Does opening the RAR trigger cmd.exe , powershell.exe , or sc.exe to create new services?.

: Verify the file is a valid Roshal ARchive (RAR) .