Three malicious packages published to the npm registry in September 2024 have been found to contain a known malware called BeaverTail, a JavaScript downloader and information stealer linked to an ongoing North Korean campaign tracked as Contagious Interview. The Datadog Security Research team is monitoring the activity under the name Tenacious Pungsan, which is also known by the monikers CL-STA-0240 and Famous Chollima. The names of the malicious packages, which are no longer available for download from the package registry, are listed below - passports-js, a backdoored copy of the passport (118 downloads), bcrypts-js, a backdoored copy of bcryptjs (81 downloads), blockscan-api, a backdoored copy of etherscan-api (124 downloads)