tinkoff-statist-web-typed-client-test.golden.retriever@20.4.4
Malicious code in tinkoff-statist-web-typed-client-test.golden.retriever (npm)
Analysis
On require(), the package connects to multiple Cloudflare Workers C2 endpoints (oob-worker[.]cf99-9b3[.]workers[.]dev, oob-worker[.]cf101-adf[.]workers[.]dev, oob-worker[.]cf102-baf[.]workers[.]dev, oob-worker[.]cf100-416[.]workers[.]dev) over HTTPS to download a platform-specific binary payload. It also uses a DNS TXT record-based fallback channel at c[.]tin[.]dl[.]well1[.]site. The downloaded binary is written to /var/tmp/.cache_<hex> (Linux/macOS) or %TEMP%\dotnet_diag_<hex>.exe (Windows) and executed as a detached background process. The package has no repository, no README, and no documented purpose matching its name.
- analyzed by
- Leitwacht
- first seen
- Aug 2, 2026, 03:16 PM
- analyzed
- Aug 2, 2026, 03:18 PM
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Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.