Ailurophile Stealer Technical & Malware Analysis Report

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The Ailurophile Stealer, first detected by ThreatMon on August 15, 2024, is a dangerous information-stealing malware that operates as a service, hosted on publicly accessible domains such as ailurophilestealer.com and ailurophilestealer.shop. Its availability, coupled with a user-friendly interface and a three-day free trial, makes it easily accessible to a wide range of users, including those with minimal technical expertise. The malware is capable of stealing critical information, including system details, autofill data, credit card information, cookies, browsing history, usernames and passwords, and cryptocurrency wallet data, posing a serious security risk.

The report provides an in-depth analysis of Ailurophile Stealer’s capabilities, including its advanced evasion techniques and its ability to bypass several security solutions. It has an extremely low detection rate, with only 2 out of 39 detections on KleenScan, further emphasizing the severity of the threat. The report highlights how the malware can evade detection while stealing highly sensitive information and provides recommendations for mitigating these risks.

Key findings include:

ThreatMon first identified Ailurophile Stealer on August 15, 2024. It is an advanced information-stealing malware that operates as a service and is available via a user-friendly web interface.
The malware targets sensitive information, including system details, autofill data, credit card information, cookies, browsing history, and cryptocurrency wallet data. It can evade many common security solutions, such as Crowdstrike, McAfee, Kaspersky, and Microsoft Defender.
Ailurophile Stealer uses sophisticated evasion strategies such as sandbox detection, process hollowing, code obfuscation, and debugger evasion, making it particularly challenging to detect and mitigate.
The primary delivery method is phishing attacks. The malware can manipulate registry data, steal browser information, and use third-party services to exfiltrate stolen data.
With a detection rate of only 2 out of 39 on KleenScan, the malware is highly stealthy and presents a serious security risk.
The report provides actionable steps to counteract the malware, including implementing robust cybersecurity practices such as multi-factor authentication (MFA), behavior monitoring, endpoint security, and educating employees on recognizing phishing threats.

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