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Operation Bleeding Bear

ID: 6b6a8ced-b11f-5875-9175-0b2c53f320aa

STIX ID: report--6b6a8ced-b11f-5875-9175-0b2c53f320aa

Feed Name: Elastic Security Labs

Threat Score
82/100

Date Published: 2022-12-06

Date Updated: 2026-04-27

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Elastic Security analyzes WhisperGate (Operation Bleeding Bear), a multi-stage destructive campaign targeting Ukrainian organizations that uses an MBR wiper, a Discord-hosted downloader/injector, and a file-corrupting payload; the report provides technical details, TTPs, hashes/IOCs, and detection/prevention guidance demonstrating Elastic's ability to block each stage.

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