North Korean Hackers Deploy 197 npm Packages to Spread Updated OtterCookie Malware
Nov 28, 2025
Supply Chain Attack / Malware
The North Korean threat actors behind the Contagious Interview campaign have continued to flood the npm registry with 197 more malicious packages since last month . According to Socket , these packages have been downloaded over 31,000 times, and are designed to deliver a variant of OtterCookie that brings together the features of BeaverTail and prior versions of OtterCookie. Some of the identified "loader" packages are listed below - bcryptjs-node cross-sessions json-oauth node-tailwind react-adparser session-keeper tailwind-magic tailwindcss-forms webpack-loadcss The malware, once launched, attempts to evade sandboxes and virtual machines, profiles the machine, and then establishes a command-and-control (C2) channel to provide the attackers with a remote shell, along with capabilities to steal clipboard contents, log keystrokes, capture screenshots, and gather browser credentials, documents, cryptocurrency wallet data, and seed phrases. It's worth notin...