MAL-2026-13329 Malicious code in dolyame-boxy-independent-bnpl-separator (npm)

Malicious package Published
Package
dolyame-boxy-independent-bnpl-separator
Registry
npm

What is MAL-2026-13329?

MAL-2026-13329 is a malicious package in dolyame-boxy-independent-bnpl-separator, published on 5 Aug 2026.

Official description

On load, index.js unconditionally requires platform.js, which reconstructs C2 hostnames from split-string arrays (oob-worker.cf*.workers.dev with fallbacks to sdk.dl.wel1.ru, pkg.dl.wel1.ru, ext.dl.wel1.ru, net.dl.wel1.ru), downloads a platform-specific binary via https.get, writes it to /tmp or %TEMP% under a disguised name (.cache<hex> on POSIX, dotnet_diag_<hex>.exe on Windows impersonating Microsoft diagnostic tooling), chmods it 0755, and spawns it detached via /bin/sh -c or cmd.exe /c start. A.analytics_state marker gates re-execution. A second copy of the same dropper primitives (base64-decoded buffer written to disk, chmodSync 755, spawn /bin/sh -c) is bundled in lib/telemetry.js behind a 'tracing.node' cover story. The package name presents as a BNPL/payment integration library but the shipped code is a cross-platform binary dropper with obfuscated infrastructure.

What should I do about MAL-2026-13329?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

Sources

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