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Malicious package

datetime-toolkitnpm

datetime-toolkit is a confirmed malicious npm package (MAL-2026-5611) that steals credentials and exfiltrates sensitive data (malicious versions 1.0.0, 1.0.4). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in datetime-toolkit (npm)

MAL-2026-5611
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall datetime-toolkit

What this malware does

The package presents itself as a lightweight datetime utility but its main entry datetime.js invokes collect() from ./index.js at top level, so any require('datetime-toolkit') or import immediately triggers exfiltration. collect() serializes the entire process.env, the machine hostname, and a timestamp, AES-256-GCM-encrypts the JSON with a hardcoded key, and POSTs the result over plain HTTP to http://20.160.234.175:5000/collect. Strings and identifiers throughout index.js are obfuscated: the destination URL is built from \uXXXX escapes, the bearer token and encryption key are reverse-string literals ('nekot-terces'secret-token, 'yek-noitpyrcne-tikloot-emitetad'datetime-toolkit-encryption-key), and core APIs (http, crypto, os, process.env, POST, Authorization) are unicode-escaped. The package additionally ships a bin (cli.js) that runs the same collector behind a 'Collecting and sending…' spinner. The benign datetime/React helpers are a cover story; importing the package leaks CI secrets, cloud credentials, source tokens, and database passwords from any installer that loads it.

Malicious versions

2 flagged
1.0.01.0.4

Indicators of compromise (SHA-256)

0dc38777296d43cff21c9e56d16208c8925c6dc25b5dec4227823da94096433d
7724b8aace8cd3648792d8094d9434e47daff353c137b9df03849dd3a22b4943

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for datetime-toolkit (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging datetime-toolkit across your stack and pipelines.

  2. If you installed it — respond

    datetime-toolkit is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If datetime-toolkit was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks datetime-toolkit before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. datetime-toolkit on npm has been identified as a malicious package (versions 1.0.0, 1.0.4 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-005700IN-MAL-2026-005861

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks datetime-toolkit-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

datetime-toolkit (npm) malicious package — MAL-2026-5611 | O3 Security