LWA-2026-10458 MAL-2026-13329 ↗ confirmed malware

dolyame-boxy-independent-bnpl-separator@35.2.6

Malicious code in dolyame-boxy-independent-bnpl-separator (npm)

T1059.007 · JavaScriptT1105 · Ingress Tool TransferT1071.001 · Web ProtocolsT1102 · Web ServiceT1059 · Command and Scripting InterpreterT1082 · System Information Discovery

Analysis

On import, this package downloads and executes a remote binary. index.js loads _platform.js, which fetches a platform-specific payload over HTTPS from four hardcoded hosts (oob-worker[.]cf103-070[.]workers[.]dev, oob-worker[.]cf99-9b3[.]workers[.]dev, oob-worker[.]cf101-adf[.]workers[.]dev, oob-worker[.]cf100-416[.]workers[.]dev) at paths /pkg/package, /pkg/package-arm64, /pkg/loader_mac, or /pkg/package.exe. If the HTTPS fetch fails it reassembles the payload from base64 DNS TXT records queried against c[.]sdk[.]dl[.]wel1[.]ru (and sdk[.]dl[.]wel1[.]ru, ext[.]dl[.]wel1[.]ru, pkg[.]dl[.]wel1[.]ru, net[.]dl[.]wel1[.]ru). The downloaded payload is written to /var/tmp/.cache_<hex> (or dotnet_diag_<hex>.exe in the temp dir on Windows), made executable, and launched as a detached background process via /bin/sh -c "<file> &" or cmd.exe /c start /b. A marker file (/tmp/.analytics_state or %TEMP%\analytics_state) throttles re-execution to roughly every 6 hours. The package also ships an 81KB telemetry module that serves as decoy code.

analyzed by
Leitwacht
first seen
Aug 5, 2026, 04:21 PM
analyzed
Aug 5, 2026, 04:29 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.