Their relationship hadn't changed, as far as Draco was concerned. As much as he disliked the idea of his brothers being in control of Hogwarts, and he did dislike the idea, one thing that could be said for it was that he expected stellar marks in all of his courses now. He bore the same Mark, after all.
"I trust you're settling back into the Castle well?" He asked politely, smirk firmly in place.