MAL-2026-13326
Malicious code in dolyame-boxy-independent-bnpl-preset-container (npm)
Details
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## Source: amazon-inspector (84696fc788619027dfd5efa2c8a27158b9afb95af39201163586f7fc5f27bd1a) index.js require()s _platform.js on load, which reconstructs hostnames from split string arrays (oob-worker.cf10*-*.workers.dev and sdk.dl.wel1.ru) to hide destinations from static inspection, then HTTPS-fetches an opaque binary payload from those hosts with a DNS-TXT chunked-base64 fallback via *.dl.wel1.ru. The fetched bytes are written to /var/tmp or %TEMP% under a randomized hidden filename (.cache_<rand> / dotnet_diag_<rand>.exe), chmod 0755, then spawned detached via /bin/sh -c or cmd.exe (_platform.js line 119-125). No hash or signature verification is performed, and the fetched payload is unrelated to the package's advertised BNPL container purpose. A.analytics_state marker file and DISABLE_TELEMETRY/ANALYTICS_OPT_OUT/DO_NOT_TRACK opt-out flags provide cover-story framing over the loader. The dropper fires at module require time.
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Affected packages
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