Malware · 6h ago

RatHat Uses Gemini to Rank Victims by Balance

Cleafy traced nearly 100 RatHat console deployments since April 2026, and the latest Android banking-trojan console now uses Google Gemini to sort victims by estimated bank balance. RatHat’s operators already used the console to collect text messages and credentials from fake login overlays; now the same data is fed into Gemini to separate higher-value phones from the rest.

In plain terms, the console asks an AI model to guess who likely has money, then ranks those victims first. Cleafy said the model is not being used to move funds; it is being used to decide which accounts are worth an operator’s time, which makes the theft pipeline more selective and more efficient.

For teams that watch Android fraud, the lasting change is triage: a partial compromise can be enough to surface the accounts most worth pursuing. Anywhere stolen messages and app-overlay credentials are already being collected, the exposure now includes automated targeting, not just data theft.

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Part of the PlainSec briefing for 2026-09-29

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