mi account got hacked

[76561198094436569]

so guy as you can see go search for account named amjad1995
you cannot see it be-cues someone stole it from me using mi brother massage account
and mi brother massage was get 50$ gift card i mean its mi brother so i open it and complete everything thin mi account fully shut down and i cant use mi phone steam guard and he turn it off
so how the hell im getting back mi account i post complain to steam im not sure if that can lock the account i told them every single detail about mi account here is the question is there is any hope to get back mi account

[d3str0y3r]

https://steamcommunity.com/sharedfiles/filedetails/?id=1126288560