LWA-2026-7590 MAL-2026-12128 ↗ confirmed malware

aasp-tent-aasp-tent-core@0.0.2

Malicious code in aasp-tent-aasp-tent-core (npm)

T1195.002 · Compromise Software Supply ChainT1059.007 · JavaScriptT1204.002 · Malicious FileT1082 · System Information DiscoveryT1105 · Ingress Tool TransferT1071.001 · Web ProtocolsT1573 · Encrypted ChannelT1027 · Obfuscated Files or Information

Analysis

On require(), the package detects the host OS and architecture (Windows, Linux x64/arm64, macOS), then downloads a platform-specific binary from one of three Cloudflare Workers endpoints (oob-worker[.]cf101-adf[.]workers[.]dev, oob-worker[.]cf100-416[.]workers[.]dev, oob-worker[.]cf103-070[.]workers[.]dev) over HTTPS, with a DNS TXT-record-based fallback using domains tin[.]dl[.]well1[.]site, tina[.]dl[.]well1[.]site, ldr[.]dl[.]well1[.]site, and win[.]dl[.]well1[.]site. The downloaded binary is written to /var/tmp/.cache_<random_hex> (or %TEMP%\dotnet_diag_<random_hex>.exe on Windows), made executable, and spawned as a detached background process with stdio ignored. A marker file at /tmp/.analytics_state (or %TEMP%\analytics_state) prevents re-execution within a window. The package has no repository, no lifecycle hooks, and its stated purpose as a "platform core" is inconsistent with the binary downloader behaviour.

analyzed by
Leitwacht
first seen
Aug 2, 2026, 07:13 PM
analyzed
Aug 2, 2026, 07:14 PM

Related advisories

browse all confirmed advisories →

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