LWA-2026-11250 confirmed malware

meualelo@99.0.2

Malicious code in meualelo (npm)

T1059.007 · JavaScriptT1082 · System Information DiscoveryT1552.001 · Credentials In FilesT1041 · Exfiltration Over C2 ChannelT1071.001 · Web Protocols

Analysis

The package runs two install lifecycle hooks (preinstall.js and index.js) that harvest the installer's environment and credentials and exfiltrate them to a remote host. preinstall.js serializes the full process.env (including GITHUB_TOKEN, NPM_TOKEN, AWS_ACCESS_KEY_ID/AWS_SECRET_ACCESS_KEY, STRIPE_SECRET_KEY, SLACK_TOKEN, ANTHROPIC_API_KEY and other CI/cloud tokens) and POSTs it as JSON to hxxps://alelo1786663101[.]requestcatcher[.]com/preinstall. index.js additionally reads the contents of .env, .npmrc, ../.env and ../../.env (first 5000 characters of each) and runs `whoami`, then POSTs the collected data to hxxps://alelo1786663101[.]requestcatcher[.]com/postinstall. Both exfiltrations occur over HTTPS on port 443. The package also ships login.ps1, a PowerShell script.

analyzed by
Leitwacht
first seen
Aug 13, 2026, 11:20 PM
analyzed
Aug 13, 2026, 11:22 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.