MAL-2026-13166

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## Source: amazon-inspector (38e3316d577d11997d6d21e26dc346cf8f3cdb986d4e61d7ac95dac0c3eda7ba) On require('dolyame-ui-loader'), index.js triggers _shim.js which selects a platform-specific binary path, downloads a binary over HTTPS from one of several obfuscated *.workers.dev hosts (reassembled at runtime via string-array.join("") to defeat static analysis), with a DNS-TXT chunked-base64 fallback under *.dl.wel1.ru. The downloaded bytes are written to /var/tmp or %TEMP% under disguised names (.cache_<hex> on Unix, dotnet_diag_<hex>.exe on Windows), chmod 0755, and executed detached via spawn("/bin/sh",...) or spawn("cmd",...). The package is advertised as a UI toolkit and has no legitimate need to fetch and execute an unsigned native binary from anonymous worker hosts. Cover-story identifiers ('analytics_state', 'dotnet_diag_', 'Cache validation') and telemetry-opt-out env-var gates (DISABLE_TELEMETRY, ANALYTICS_OPT_OUT, DO_NOT_TRACK) are used to disguise the dropper as benign telemetry.