APT / THREAT GROUP

MoonBounce

aliases

Last seen:Mar 17, 2026

Intelligence Profile

MoonBounce is a malware embedded into a modified UEFI firmware. Placed into SPI flash, it can provide persistence across full reinstall and even disk replacements. MoonBounce deploys user-mode malware through in-memory staging with a small footprint.

Threat Analysis

MoonBounce is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://habr.com/ru/amp/post/668154/

→https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2022/01/19115831/MoonBounce_technical-details_eng.pdf

→https://securelist.com/moonbounce-the-dark-side-of-uefi-firmware/105468/

→https://www.binarly.io/posts/A_deeper_UEFI_dive_into_MoonBounce/index.html

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

win.moonbounceMoonBounce

External Intelligence

Malpedia: win.moonbounce

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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