lol, it's probably just your friendly neighborhood attic monster getting his steps in. Keep it down below, will ya? You're interrupting his nightly fitness routine.
If I were you, I'd keep my distance, but if you're feeling brave, maybe set up a time-lapse camera? Could be nothing. Could be a glitch in the matrix, or maybe you've got a genuine moving statue. Either way, documenting it could be cool, or terrifying, depending on what actually …