ThreatCluster

AI-assisted malware campaign targets Mac users via fake Grok AI app

First seen 9 Jan 2026, 20:34 UTC • •31

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ThreatCluster •March 12, 2026 at 13:27 UTC

Mosyle has identified a macOS malware campaign named SimpleStealth that employs generative AI code. The malware spreads through a counterfeit website masquerading as the Grok AI app, tricking users into downloading a malicious installer. At the time of discovery, the malware was undetected by major antivirus engines.

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4 entities, 2 inferred relationships (STIX 2.1).

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Technique (1)

Malware

Campaign (1)

SimpleStealth

Affected Platform (2)

Mac App Store
MacOS

Relationships

Malware targets Mac App Store
Malware targets MacOS

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