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Malicious package

elf-stats-wintry-chimney-348npm

Malicious code in elf-stats-wintry-chimney-348 (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-192628
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall elf-stats-wintry-chimney-348

What this malware does

The package elf-stats-wintry-chimney-348 was found to contain malicious code.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Malicious versions

1 flagged
1.0.1

Indicators of compromise (SHA-256)

6e239f6278356841d06077ff135eb46c974cca3190ded77dbf02a8b0f816321c
81ca968ff9d74512694f4175979de59da80fad3394cebfb3f6c09f6900309a2a
b510756ad27fd60bca0f83746ee931bdc10951666c2d0b5f84c5c88446903d67

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 elf-stats-wintry-chimney-348 (version 1.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging elf-stats-wintry-chimney-348 across your stack and pipelines.

  2. If you installed it — respond

    Remove elf-stats-wintry-chimney-348 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 elf-stats-wintry-chimney-348 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 elf-stats-wintry-chimney-348 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. elf-stats-wintry-chimney-348 on npm has been identified as a malicious package (version 1.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-5x69-3q5p-h54jRLMA-2025-06339

References

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks elf-stats-wintry-chimney-348-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.

elf-stats-wintry-chimney-348 (npm) malicious package — MAL-2025-192628 | O3 Security