LWA-2026-11526 confirmed malware

chai-as-soul@2.3.6

Malicious code in chai-as-soul (npm)

T1195.002 · Compromise Software Supply ChainT1059.007 · JavaScriptT1082 · System Information DiscoveryT1071.001 · Web ProtocolsT1102 · Web ServiceT1041 · Exfiltration Over C2 Channel

Analysis

chai-as-soul@2.3.6 is a trojanized pino logging-library clone (combosquat of the "chai" package name) that ships a 4MB obfuscated lib/config.js. On load it beacons host metadata to a remote C2 at 167[.]88[.]167[.]54 (ports 8085/8087): it POSTs JSON containing hostname, OS, and username to /api/log and /api/notify, and uploads a multipart sysinfo.txt file (host, OS, username, platform, timestamp) to /upload. It also performs DNS TXT beaconing. The implant uses axios and a per-request Validation HMAC header.

analyzed by
Leitwacht
first seen
Aug 20, 2026, 02:16 PM
analyzed
Aug 20, 2026, 02:16 PM

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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.