The Malware could have specifically been decided to steal or mess with your crypto related accounts and not other accounts. There is a possibility that your login credentials leaked someone. Authorization emails can as well be deleted to avoid making you suspicious
Have you ever generated an API key from Coinbase Pro account?
Do your Coinbase pro and email accounts have 2-factor authentication?
This is what likely happened to your account. If you can remember the websites that you have used or registered with the same email/password as your coinbase pro, there could be a leak from that website.
But if those website/s you have registered with the same email are safe, it's your PC that's infected or compromised. Do you use the same passwords?