DPRK-linked (Famous Chollima) supply chain campaign targeting developers via npm, PyPI, and fake job interviews. MicrosoftSystem64 / js-logger-pack is attributed to this campaign cluster via the toskypi identity (tosky.pi1016@gmail.com), jpeek account rotation (jpeek868/886/895), and shared Lordplay/system-releases HuggingFace infrastructure. Overlapping sub-campaigns: Contagious Trader (crypto trading lures), BigSquatRat (typosquats).
Cryptocurrency theft, developer credential harvesting, persistent remote access to developer workstations