probably. looks like the 'group' printed lots of fake syscoins via 51% attack compromised syscoin, sold a lot for big btc on binance, withdrew 7k btc through multiple small accounts, dumped on finex. voilà profits.

https://bitinfocharts.com/bitcoin/address/1NDyJtNTjmwk5xPNhjgAMu4HDHigtobu1s

theories changing by the minute lol