The “EternalBlue” exploit (MS017-010) was initially used by WannaCry ransomware and Adylkuzz cryptocurrency miner. Now more threat actors are leveraging the vulnerability in Microsoft Server Message Block (SMB) protocol – this time to distribute Backdoor.Nitol and Trojan Gh0st RAT.

https://www.fireeye.com/blog/threat-research/2017/05/threat-actors-leverage-eternalblue-exploit-to-deliver-non-wannacry-payloads.html