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Malicious package

figlet-chalk-rendernpm

figlet-chalk-render is a confirmed malicious npm package (MAL-2026-17226) that executes malicious code on install (malicious version 1.2.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in figlet-chalk-render (npm)

MAL-2026-17226
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall figlet-chalk-render

What this malware does

The package is advertised as a chalk+figlet wrapper but index.js contains a top-level IIFE that runs on require. On Windows hosts, it reconstructs the module names 'https', 'os', 'fs', 'path', and 'child_process' and the method name 'spawn' from char-code arrays, hex escapes, and string concatenation to hide the network and execution chain. It then decodes the hardcoded plain-HTTP URL http://104.234.65.75:700/setup.exe and the filename RuntimeBroker.exe (masquerading as a legitimate Windows binary), downloads the payload into the OS temp directory via https.get piped to createWriteStream, and spawns it detached with windowsHide: true and.unref(). Execution is gated to skip environments where CI, SANDBOX, GITHUB_ACTIONS, or TRAVIS are set, evading sandbox and CI analysis. The obfuscation, bare-IP plain-HTTP delivery, RuntimeBroker.exe masquerade, and CI-evasion gate are inconsistent with the package's stated purpose and match an install/require-time Windows dropper.

Malicious versions

1 flagged
1.2.1

Indicators of compromise (SHA-256)

992cf49b88be09149971d4ac18fe2a4b61d242186f553cb3283a26970b886d7f

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for figlet-chalk-render (version 1.2.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging figlet-chalk-render across your stack and pipelines.

  2. If you installed it — respond

    Remove figlet-chalk-render from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If figlet-chalk-render 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 figlet-chalk-render 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. figlet-chalk-render on npm has been identified as a malicious package (version 1.2.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-020607

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks figlet-chalk-render-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

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