- Microsoft has identified a new Malware called StilachiRAT that targets 20 popular cryptocurrency wallet extensions for Google Chrome.
- The malware can steal wallet information, usernames, and passwords stored in Chrome browsers, affecting major wallets like MetaMask and Coinbase Wallet.
- Though not widely distributed yet, the threat employs sophisticated evasion techniques, and Microsoft recommends installing antivirus software as protection.
Security researchers at Microsoft have uncovered a sophisticated cryptocurrency-targeting malware that threatens users of 20 popular Chrome wallet extensions. In a new report published Monday, Microsoft’s Incident Response team detailed StilachiRAT, a remote access trojan that employs advanced techniques to steal sensitive wallet data and browser credentials.
The malware, first detected in November 2024, specifically targets Chrome-based cryptocurrency wallet extensions, putting users of popular services at risk. According to Microsoft’s findings, StilachiRAT can compromise prominent wallets including MetaMask, Coinbase Wallet, Phantom, OKX Wallet, and BNB Chain Wallet.
Microsoft researchers explained that StilachiRAT employs "sophisticated techniques to evade detection, persist in the target environment, and exfiltrate sensitive data," as shared in their blog post. The malware is designed to harvest not only cryptocurrency wallet credentials but also any usernames and passwords stored within Google Chrome browsers.
While the security team has confirmed that StilachiRAT hasn’t seen widespread distribution yet, they have been unable to identify the entity behind the threat. This lack of attribution highlights the evolving nature of cryptocurrency-focused cyberattacks, which often employ increasingly sophisticated methods to target digital asset holders.
As a precautionary measure, Microsoft has issued mitigation guidelines for potential targets. The primary recommendation includes installing reliable antivirus software to detect and prevent StilachiRAT infection.
"Due to its stealth capabilities and the rapid changes within the malware ecosystem, we are sharing these findings as part of our ongoing efforts to monitor, analyze, and report on the evolving threat landscape," the Microsoft team noted in their assessment.
The emergence of StilachiRAT represents the latest development in an ongoing series of security challenges facing cryptocurrency users, particularly those who rely on browser-based wallet extensions for managing their digital assets.
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