Donut.7z -

: If the 7z contains a loader, use a debugger like x64dbg to find where the shellcode is decrypted in memory.

: Use file donut.7z to confirm it is a valid 7-Zip archive. donut.7z

: If the archive is encrypted, tools like John the Ripper or hashcat are used. : If the 7z contains a loader, use