LWA-2026-7180 confirmed malware

@adominadmininstr/date-util-helper@1.0.0

Malicious code in @adominadmininstr/date-util-helper (npm)

T1195.002 · Compromise Software Supply ChainT1059.007 · JavaScriptT1082 · System Information DiscoveryT1615 · Group Policy DiscoveryT1071.001 · Web ProtocolsT1041 · Exfiltration Over C2 ChannelT1552.001 · Credentials In Files

Analysis

The package @adominadmininstr/date-util-helper@1.0.0 runs a postinstall script (postinstall.js) on installation. The script collects system information (hostname, username, working directory, OS details, process list, IP addresses, DNS configuration), probes cloud metadata endpoints at hxxp://metadata[.]tencentyun[.]com/latest/meta-data/ and hxxp://169[.]254[.]169[.]254/latest/meta-data/, and harvests all environment variables including CI/CD tokens and cloud credentials. The collected data is base64-encoded and exfiltrated via an HTTP GET request to pzs5w7ntzhsnepwk564lyfdci3oucl0a[.]oastify[.]com/z?d=<base64-data>. The exfiltrated environment variables include NPM_TOKEN, GITHUB_TOKEN, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, and other CI/CD platform secrets.

analyzed by
Leitwacht
first seen
Jul 28, 2026, 08:53 AM
analyzed
Jul 28, 2026, 08:55 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.