My iCloud is hacked
I am Mahnoor, this is my brother's iCloud account I'm using his. I tried to reach you people but I got no response, my iCloud account was hacked and deleted, my phone is stalled now, I don't have the password, and it won't log out. I can't use it, please help me.
[Personal Information Edited by Host]
iPhone 7, iOS 11.4.1, RoseGold