Prime suspects behind the Sony Pictures Entertainment cyberattack, Wannacry outbreak are a hacker collective known as Lazarus Group with associations with the Pyongyang regime. This notorious adversary is one of the most active and dangerous hacking groups to date and is known to have conducted cyberattacks for financial profits and cyber espionage in the past. Lazarus is a prolific group with numerous malware clusters, one of which we dubbed DeathNote. After several years of tracking this cluster, we have been able to note its characteristics and latest tactics.