GCVE-110-OSM-2026-10005

This package is consistent with an attacker-delivered loader that downloads a platform-specific payload from the reconstructed C2 domain and writes it to a temp file, and executes it via detached background shell spawning. The entrypoint `index.js` immediately requires `./lib/telemetry` and opportunistically loads `./_runtime`, which contains the payload retrieval logic, DNS fallback, and anti-analysis checks around `process.pid`. The use of `https.get`, `https.request`, `Buffer.from(chunks, "base64")`, and persistence via `.profile` strongly supports a malware operator model rather than legitimate telemetry, with the goal of remote code delivery and persistence on victim hosts. The stealthy `stdio: "ignore"`, `detached: true`, and cross-platform `cmd.exe`/`/bin/sh` execution patterns are classic launcher behavior for commodity malware and bot loaders. ENTRY index.js (main: index.js) PERSISTENCE - Startup Persistence in lib/telemetry.js: ".profile" DESTINATION - 1 exfil (custom-c2) (values recorded in verified_iocs) EXFIL - Network Request in _runtime.js: "https.get(" - Network Request in lib/telemetry.js: "https.request(" OBFUSCATION - Dynamic Base64 Decoding in lib/telemetry.js: "Buffer.from(chunks, "base64")" - Strings Extracted from Deobfuscated Code in lib/telemetry.js - recovered 1 domains from decoded/deobfuscated content ADDITIONAL FINDINGS - Stealth Background Process Spawning in _runtime.js: "spawn("cmd.exe", ["/c", "start", "/b", fp], { detached: true, stdio: "ignore", w..." - Reconstructed Obfuscated Domain in _runtime.js: "oob-worker.cf103-070.workers.dev" - Shell Command Execution in _runtime.js: "require("child_process")" - Silent Process Execution in _runtime.js: "stdio: "ignore"" - Detached Child Process Payload in _runtime.js: "spawn("cmd.exe", ["/c", "start", "/b", fp], { detached: true" - Shell Command Variable Setup in _runtime.js: ""cmd.exe", ["/c", "start", "/b", fp], { detached: true, stdio: "ignore", windows..." PAYLOAD FILES _runtime.js (+ lib/telemetry.js)