taskhost.exe properties

EternalRocks is a network worm (i.e. self-replicating), emerged in first half of May 2017, with oldest known sample fc75410aa8f76154f5ae8fe035b9a13c76f6e132077346101a0d673ed9f3a0dd dating to 2017-05-03. It spreads through public (The Shadow Brokers NSA dump) SMB exploits: ETERNALBLUE, ETERNALCHAMPION, ETERNALROMANCE and ETERNALSYNERGY, along with related programs: DOUBLEPULSAR, ARCHITOUCH and SMBTOUCH.

https://github.com/stamparm/EternalRocks/#decompilation-of-an-older-sample