MAL-2026-12244

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## Source: amazon-inspector (84bc64dc52d6f64a0673f548b3201cc6eed96ea71665ccd1fc1a41b29ac12cca) On require('tinkoff-mutual-mgm-form'), index.js loads _compat.js, which selects a platform-specific asset path and fetches a native binary over HTTPS from Cloudflare Workers subdomains assembled via array.join('') string concatenation (oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev), with a DNS TXT chunked fallback to look-alike hosts under dl.well1.site (tin.dl.well1.site, tina.dl.well1.site, ldr.dl.well1.site, win.dl.well1.site). The fetched bytes are written to a masquerading path in /var/tmp or %TEMP% (e.g., dotnet_diag_<rnd>.exe or.cache_<rnd>), chmodded to 0755, and spawned detached via /bin/sh -c '<path> &' or cmd.exe start /b. The require('child_process') module name is also split-string obfuscated, and cover-story comments frame the behavior as 'telemetry' and 'session tracking'. A second copy of the same fetch-write-chmod-spawn dropper is bundled in lib/telemetry.js as an 'Analytics SDK', staged as an alternate payload. Destinations, obfuscation, masquerading filenames, and detached execution are inconsistent with the package's declared purpose.