The reality in crypto wallet once it was hacked you cannot retrieve it back. That is one of the saddest part of having a wallet that was hacked. All of us should be careful in keeping our wallets in a safe place, if we could keep it in an offline wallet it is better. Hacker now a days are very intelligent they can trick the users by means of phishing link and other forms to get all the details to access our personal emails even the computers they can access it. It is a lesson learned for all us. Keep that in mind we need to be extra careful.