North Korean hackers have developed a new reconnaissance malware that gathers information about victims’ computers to facilitate precision attacks, a U.S. cybersecurity firm reported Thursday, the latest advancement in the DPRK’s spearphishing operations targeting journalists, experts and government bodies.

SentinelOne assessed that the new malware component, which it dubbed ReconShark, is effectively an evolution of the Kimsuky threat group’s BabyShark malware and could help attackers better evade defenses and exploit weaknesses.

The firm was able to attribute the attack to North Korea and Kimsuky’s BabyShark malware based on links between the