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Lazarus Group Embed New BeaverTail Variant in Developer Tools

ID: 625a0503-ec37-5c1f-8089-690709b90f29

STIX ID: report--625a0503-ec37-5c1f-8089-690709b90f29

Feed Name: HackRead

Threat Score
90/100

Date Published: 2025-12-18

Date Updated: 2026-04-22

Author: Deeba Ahmed

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Darktrace reported a highly obfuscated V5 variant of the BeaverTail JavaScript information stealer—attributed to Lazarus-linked clusters—that is distributed via fake job interviews and trojanized developer packages (npm, VS Code extensions), operates cross‑platform, records keystrokes and screenshots, exfiltrates credentials and crypto keys, and uses blockchain-based 'EtherHiding' to hide commands and resist takedowns.

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