North Korean Hackers Use npm, GitHub, and Vercel to Distribute OtterCookie Malware

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North Korean Hackers Use npm, GitHub, and Vercel to Distribute OtterCookie Malware

First seen 27 Nov 2025, 22:35 UTC • •53.0

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ThreatCluster •March 12, 2026 at 13:27 UTC

North Korean hackers are exploiting vulnerabilities in npm, GitHub, and Vercel to distribute OtterCookie malware. This malware targets software developers and is designed to steal sensitive information. The attack leverages popular development platforms to reach a wide audience.

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Threat Graph

5 entities, 3 inferred relationships (STIX 2.1).

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Technique (1)

Malware

Organization (1)

Vercel

Malware (1)

OtterCookie

Affected Platform (1)

GitHub

Tool (1)

Npm

Relationships

OtterCookie targets Vercel
Malware targets GitHub
OtterCookie related to Npm

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