APT / THREAT GROUP

FrigidStealer

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According to Proofpoint, FrigidStealer FrigidStealer uses Apple script files and osascript to prompt the user to enter their password, and then to gather data including browser cookies, files with extensions relevant to password material or cryptocurrency from the victim’s Desktop and Documents folders, and any Apple Notes the user has created.

Threat Analysis

FrigidStealer 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://www.proofpoint.com/us/blog/threat-insight/update-fake-updates-two-new-actors-and-new-mac-malware

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

FrigidStealerosx.frigid_stealer

External Intelligence

Malpedia: osx.frigid_stealer

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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