QUARTERRIG
Intelligence Profile
A stager used by APT29 to download and run CobaltStrike.
Here, MUSKYBEAT refers to the in-memory dropper component, while STATICNOISE is the final payload / downloader.
Threat Analysis
QUARTERRIG is a advanced-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of espionage.
The group's espionage-oriented operations suggest a state-sponsored or state-aligned mandate, typically focused on stealing intellectual property, government secrets, or military intelligence. Targets are usually selected for strategic value rather than financial gain.
Classified as an advanced threat actor, QUARTERRIG likely develops or acquires zero-day exploits, employs custom malware toolchains, and demonstrates long-term persistence capabilities — hallmarks of a well-resourced operation consistent with nation-state backing.