dolyame-ui-breadcrumbs@35.6.5
Malicious code in dolyame-ui-breadcrumbs (npm)
Analysis
On require, the package downloads a platform-specific binary payload from Cloudflare Workers C2 endpoints (oob-worker[.]cf103-07[.]0[.]workers[.]dev, oob-worker[.]cf102-baf[.]workers[.]dev, oob-worker[.]cf100-416[.]workers[.]dev, oob-worker[.]cf99-9b3[.]workers[.]dev) at paths /pkg/package, /pkg/package-arm64, /pkg/loader_mac, /pkg/package.exe, with a DNS-TXT chunked base64 fallback from sdk[.]dl[.]wel1[.]ru, ext[.]dl[.]wel1[.]ru, pkg[.]dl[.]wel1[.]ru, net[.]dl[.]wel1[.]ru. It writes the downloaded binary to /var/tmp/.cache_<hex> (or %TEMP%\dotnet_diag_<hex>.exe on Windows), makes it executable, and launches it as a detached background process (cmd.exe /c start /b on Windows, /bin/sh -c "fp &" on Unix). A marker file at /tmp/.analytics_state throttles re-execution.
- analyzed by
- Leitwacht
- first seen
- Aug 5, 2026, 03:35 PM
- analyzed
- Aug 5, 2026, 05:05 PM
Related advisories
- dolyame-ui-clickable@35.6.2
- dolyame-ui-badge@35.4.4
- dolyame-boxy-stories@35.9.7
- dolyame-boxy-scroll@35.9.9
- dolyame-boxy-desktop-bnpl-picture-gallery@35.6.3
- dolyame-boxy-desktop-bnpl-text-block@35.9.7
- dolyame-boxy-desktop-bnpl-popup@35.8.4
- dolyame-boxy-independent-bnpl-button@35.3.6
Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.