nightsky
Intelligence Profile
Night Sky is a China-nexus ransomware group (attributed to the "Emperor Dragonfly" cluster) that emerged in late 2021, gaining notoriety in early 2022 by exploiting the Log4Shell vulnerability (CVE-2021-44228) to target corporate networks across healthcare, finance, government, and manufacturing using multi-extortion tactics.
Threat Analysis
nightsky is a ransomware operation that deploys encryption-based extortion against organizations globally. This group maintains a data leak site (DLS) to pressure victims into paying ransom demands.
Financially motivated threat actors like nightsky prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.
Ransomware Victims (2)
CTIWATCH tracks 2 organizations claimed as victims by nightsky on its data leak site, with attack dates, sectors and countries.
View full victims list →