MAL-2026-13127 Malicious code in dolyame-boxy-mobile-bnpl-popup (npm)

Malicious package Published
Package
dolyame-boxy-mobile-bnpl-popup
Registry
npm

What is MAL-2026-13127?

MAL-2026-13127 is a malicious package in dolyame-boxy-mobile-bnpl-popup, published on 5 Aug 2026.

Official description

On require(), index.js loads loader.js which selects a platform-specific payload path, fetches bytes over HTTPS from obfuscated hosts assembled via string-split concatenation (oob-worker.cf1-02-baf.workers.dev and siblings) with a DNS-TXT fallback that reassembles a base64 payload from numbered TXT records under sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru, writes the payload to /tmp/.cache<rand> or %TEMP%/dotnet_diag_<rand>.exe, chmods 0755, and detached-spawns it via spawn('/bin/sh',['-c', fp+' &']) or spawn('cmd',…). No signature or hash verification is performed, hosts are obfuscated to evade static analysis, staging paths and filenames mimic telemetry/diagnostic naming, and the package name misappropriates a payments-BNPL brand context that has no legitimate reason to fetch and execute arbitrary binaries at import time.

What should I do about MAL-2026-13127?

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

Sources

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