Cracking

Hello,

I have a problem with a Word docx document, which is password protected. I unzipped the file with 7zip and I found a document "EncryptionInfo"

– - @ <?xml version="1.0" encoding="UTF-8" standalone="yes"?>

can I find the Hash in this document, which I could found via. hashcat? Are SHA-512 hashes everytime 28 characters long?
you can also answer in german
thank you a lot