The U.S. Treasury mentioned cryptocurrency thefts as one of the reasons for the action against the Lazarus Group, Bluenoroff and Andariel.
Source: https://www.coindesk.com/us-sanctions-three-alleged-crypto-hacking-groups-from-north-korea
US Sanctions Three Alleged Crypto Hacking Groups from North Korea
September 16, 2019
CoinDesk
