LWA-2026-5389 MAL-2026-5804 ↗ confirmed malware

flow-lending-sdk@9.9.9

Malicious code in flow-lending-sdk (npm)

T1195.002 · Compromise Software Supply ChainT1059.007 · JavaScriptT1082 · System Information DiscoveryT1552.001 · Credentials In FilesT1552.004 · Private KeysT1041 · Exfiltration Over C2 ChannelT1071.001 · Web Protocols

Analysis

Preinstall hook (node index.js || true) executes immediately on install. index.js collects the hostname, username, current working directory, and all environment variables whose names contain key/seed/secret/token/private/mnemonic/password/blockfrost/redis/telegram/batcher (targeting crypto wallet seeds, API tokens, cloud credentials, and other secrets) and exfiltrates them via HTTPS POST to 2[.]25[.]140[.]71:8443/surflending/npm-confusion.

analyzed by
Leitwacht
first seen
Jun 15, 2026, 02:57 PM
analyzed
Jun 15, 2026, 02:59 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.