Help after scamming

[TheBluePanda]

I scammed a account a few hours ago. I got Username, PW, SQ, SA, and e-mail is mine. But I wonder if they can still recall it (He got no CD-Key). And that there is a way to change SQ and SA and first and last name, because I wanna X-fer it.

Greetz,
Gwaar

[TheBluePanda]

+Rep if you can answere/help me ^^