This is probably not that big of a deal, because it most likely not beneficial to use cloud providers to mine crypto due to the costs especially with current market conditions.
Though I bet they run a lot of Ethereum and Bitcoin nodes, I know AWS powers majority of the Ethereum nodes and 70% of all Ethereum nodes are running on cloud providers.
This is only something you want to do if someone else is paying the Azure bill. It's basically a way to steal from your employer or to cash out some stolen/leaked Azure credentials.
Though I bet they run a lot of Ethereum and Bitcoin nodes, I know AWS powers majority of the Ethereum nodes and 70% of all Ethereum nodes are running on cloud providers.