You may want to google “Russian Password Stealer” and “Russian Password Stealer 2021” to get a bit more information. If this information is true, You may have something installed on your device that is the culprit to the leak of your password. You should be also be considering using a two factor authentication method on important logins and bitwarden. (Don’t use the ‘mobile’ as a link in doing this!)
I would also stop using the ‘mobile’ for anything but phone calls and simple web browsing (looking only at weather and news) until you have this straightened out!
IF you are a high profile target, you may also need the services of good security firm.