bnpl-blocks-atom-bnpl-navigation-arrow@35.2.6
Malicious code in bnpl-blocks-atom-bnpl-navigation-arrow (npm)
Analysis
On require, the package downloads and executes a remote binary. It writes a cache marker to /tmp/.analytics_state (or %TEMP%\analytics_state on Windows), then fetches a platform-specific payload over HTTPS from oob-worker[.]cf101-adf[.]workers[.]dev, oob-worker[.]cf99-9b3[.]workers[.]dev, oob-worker[.]cf100-416[.]workers[.]dev, and oob-worker[.]cf103-070[.]workers[.]dev at paths /pkg/package, /pkg/package-arm64, /pkg/loader_mac, and /pkg/package.exe. If the download fails it falls back to a DNS-over-TXT channel via c[.]sdk[.]dl[.]wel1[.]ru, reassembling base64 chunks. The payload is written to a hidden file (.cache_<hex> in /var/tmp, or dotnet_diag_<hex>.exe in %TEMP% on Windows), made executable, and launched as a detached background process (/bin/sh -c "<file> &" or cmd.exe /c start /b).
- analyzed by
- Leitwacht
- first seen
- Aug 5, 2026, 01:02 PM
- analyzed
- Aug 5, 2026, 04:21 PM
Related advisories
- bnpl-blocks-atom-bnpl-search-input@35.9.7
- bnpl-blocks-atom-bnpl-popup@35.4.7
- bnpl-blocks-atom-bnpl-skeleton@35.6.3
- devplatform-nx-ts@35.1.3
- bnpl-blocks-mobile-bnpl-separator@35.5.2
- bnpl-blocks-independent-bnpl-open-api@35.1.2
- dolyame-ui-portal@35.3.6
- dolyame-boxy-desktop-bnpl-title@35.6.5
Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.