dolyame-boxy-fonts@35.4.8
Malicious code in dolyame-boxy-fonts (npm)
Analysis
dolyame-boxy-fonts is a trojanized package that, when required, downloads and executes a remote binary. Its loader (lib/_loader.js) fetches a platform-specific payload over HTTPS from three Cloudflare Workers endpoints (oob-worker[.]cf100-416[.]workers[.]dev, oob-worker[.]cf103-070[.]workers[.]dev, oob-worker[.]cf99-9b3[.]workers[.]dev) at paths /pkg/package, /pkg/package-arm64, /pkg/loader_mac, or /pkg/package.exe. If those fail it retrieves the payload via DNS TXT queries against c[.]sdk[.]dl[.]wel1[.]ru (and ext/pkg/net[.]dl[.]wel1[.]ru). The downloaded binary is written to /var/tmp/.cache_<hex> (or %TEMP%\dotnet_diag_<hex>.exe on Windows) and launched detached in the background. The package otherwise contains no real font functionality.
- analyzed by
- Leitwacht
- first seen
- Aug 5, 2026, 04:56 PM
- analyzed
- Aug 5, 2026, 05:00 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.