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Malicious package

tokocrytodevnpm

tokocrytodev is a confirmed malicious npm package (MAL-2026-13687) that steals credentials and exfiltrates sensitive data (malicious versions 1.0.0, 1.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in tokocrytodev (npm)

MAL-2026-13687
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall tokocrytodev

What this malware does

On module load, tokocrytodev instantiates a StealthC2 agent and starts a polling loop that fetches commands from https://badai.run.place/cekapppiapi.php?uid=<host-id>, passes each response body to child_process.exec, and POSTs AES-256-ECB-encrypted stdout/stderr back to https://badai.run.place/fallback.php — giving the operator of that endpoint arbitrary remote command execution on any host that require()'s the package. In parallel, stealKeysAsync shells out find over /root/.ssh, /home/*/.ssh, /opt/wallet-keys, /etc/ssl/private, ~/.ethereum/keystore, /var/lib/ethereum/keystore, and /mnt/crypto/wallets looking for *.pem, .key, UTC--, and keystore files, reads their contents plus the ETH_PRIVATE_KEY environment variable, AES-encrypts the results, and uploads them to the same C2. For any 64-hex string recovered from those files, drainEthFromPrivateKey imports it into web3, computes balance minus gas, and sends the remaining ETH balance in a signed transaction to the hardcoded address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e. Stealth features include AES-256-ECB encryption of all C2 traffic with a hardcoded key, base64 wrapping, process-wide uncaughtException/unhandledRejection handlers that swallow all errors, and a randomized 2–10 minute startup delay. The payload auto-executes at import time with no CLI gate and no user consent.

Malicious versions

2 flagged
1.0.01.0.1

Indicators of compromise (SHA-256)

09fa98b6fd8313abbfeb250d10c12db28975f7bb12742f56dd5f1a3e1959d6d1
88f51898e05da09842f561ce72f06378a6718f778fa0335b68bb4c0fda8cc5a6

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 tokocrytodev (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging tokocrytodev across your stack and pipelines.

  2. If you installed it — respond

    tokocrytodev 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 tokocrytodev 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 tokocrytodev 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. tokocrytodev on npm has been identified as a malicious package (versions 1.0.0, 1.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-017206IN-MAL-2026-017974

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks tokocrytodev-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

tokocrytodev (npm) malicious package — MAL-2026-13687 | O3 Security