what i have to set to break a 32char aes256 key?

[Mastergod]

A ransomware broke in a qnap at work, im looking for a good brute force that can find the key to use then a decryptor to decrypt all the files (8tb), we have some good gpus and cpus so i would like to try this, but im not able to configure it.
this is an example file .encrypt
https://mega.nz/file/sB1x3QSJ#q5AybmJoWn...FIKwqlTYnw

the ransomware is ech0raix, latest version...
https://www.bleepingcomputer.com/news/se...s-devices/

any help is really appreciated.

[ctrl]

Theres no way you could decrypt it