well they're not necessarily 'stolen'
many accounts are prob using illegitimately obtained money
most of the 'cracked accounts' have simply been checked and the info had already been collected and then sold on to the person who checked the accounts and then distributed them
some get free rats off of github and expect people to turn off anti av
others buy zero day exploits or search for vulnerabilities themselves to evade av, they still might use free github rats
Some people build their own hacking tools from the ground up
In general for someone with your level of experience it's not great idea to jump into this yet as it's unlikely you would be able to effectively cover your tracks to a good enough level to stay ahead of you being put in a cupboard for a year
is this your only cracked.io account?
ignore that
no one is going to give you a good method unless you pay them substantially well
so many resellers