LWA-2026-10768 MAL-2026-13558 ↗ confirmed malware

dolyame-ui-clickoutsidehoc@35.8.1

Malicious code in dolyame-ui-clickoutsidehoc (npm)

T1059.007 · JavaScriptT1059 · Command and Scripting InterpreterT1105 · Ingress Tool TransferT1071.001 · Web ProtocolsT1102 · Web ServiceT1082 · System Information Discovery

Analysis

On load, the package executes a bundled downloader (_shim.js) that fetches a platform-specific binary over HTTPS from three Cloudflare Workers endpoints (oob-worker[.]cf100-416[.]workers[.]dev, oob-worker[.]cf102-baf[.]workers[.]dev, oob-worker[.]cf103-070[.]workers[.]dev) at /pkg/package, /pkg/package-arm64, /pkg/loader_mac, or /pkg/package.exe. If the HTTPS fetch fails it falls back to retrieving base64 payload chunks via DNS TXT queries against c[.]sdk[.]dl[.]wel1[.]ru and *.dl[.]wel1[.]ru. The downloaded binary is written to /var/tmp/.cache_<hex> (or dotnet_diag_<hex>.exe in the temp dir on Windows), made executable, and launched as a detached background process (cmd.exe /c start /b on Windows, /bin/sh -c "<path> &" on POSIX). A state file (/tmp/.analytics_state) suppresses re-execution for a period. The package also ships a decoy analytics/telemetry module.

analyzed by
Leitwacht
first seen
Aug 7, 2026, 11:13 AM
analyzed
Aug 7, 2026, 11:14 AM

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Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.