HOMETHREATSMirrorBlast
APT / THREAT GROUP

MirrorBlast

2
aliases
Last seen:Mar 17, 2026

Intelligence Profile

According to Minerva Labs, MirrorBlast malware is a trojan that is known for attacking users’ browsers. It usually pretends to be a legitimate browser add-on however it has now evolved additional capabilities, whereby other malwares are installed simultaneously. Recently, this trojan is thought to have tentative links to TA505 and PYSA groups.

Threat Analysis

MirrorBlast 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://blog.morphisec.com/explosive-new-mirrorblast-campaign-targets-financial-companies
→https://frsecure.com/blog/the-rebol-yell-new-rebol-exploit/
→https://threatresearch.ext.hp.com/mirrorblast-and-ta505-examining-similarities-in-tactics-techniques-and-procedures/
→https://www.proofpoint.com/us/blog/threat-insight/whatta-ta-ta505-ramps-activity-delivers-new-flawedgrace-variant
→https://www.proofpoint.com/us/daily-ruleset-update-summary-20210924

Quick Facts

TypeAPT / Threat Group
Aliases2

Also Known As

win.mirrorblastMirrorBlast

External Intelligence

Malpedia: win.mirrorblast

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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