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NegativeGlimmer is a China-aligned cyber espionage threat cluster associated with intrusions against government and strategic technology targets. Reported victimology includes governmental entities in Cambodia and Panama and an artificial intelligence and robotics company in South Korea, indicating an intelligence-collection focus aligned with Chinese state interests. Observed tradecraft includes spear-phishing for initial access, followed by DLL side-loading to execute malicious payloads while blending into legitimate software behavior. In documented operations, the group used a downloader to install AdaptixC2 and display a decoy document, and later variants replaced AdaptixC2 with Cobalt Strike. The tooling and intrusion flow indicate emphasis on stealthy execution, post-compromise control, and flexible payload delivery rather than disruptive or financially motivated operations. NegativeGlimmer has been assessed to overlap to some degree with TGR-STA-1030. Its activity fits the broader pattern of Chinese espionage operations targeting public-sector institutions and high-value technology organizations for strategic intelligence collection.
Who, where, and from where this actor operates. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt.
1 malware family attributed to this actor across reporting.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.