Security researchers at Cyble have revealed that a new piece of macOS malware named Atomic macOS Stealer, or AMOS, appears to provide a wide range of data theft capabilities, targeting passwords, files, and other types of information. The researchers analyzed a sample of the AMOS malware that was uploaded recently to VirusTotal and which had zero detections on the malware analysis platform at the time of its discovery. It has currently only been detected by one antimalware engine. According to the researchers, the malware, advertised on a Telegram channel, has been offered for $1,000 per month. Its author claims it can steal all passwords from the Keychain, full system information, and files from the compromised computer. It can also allegedly steal passwords, cookies, cryptocurrency wallets, and payment card data from browsers such as Chrome, Firefox, Brave, Edge, Vivaldi, Yandex, and Opera. It can also steal cryptocurrency wallets outside the web browser and from browser extensions. The researchers stated that users of the malware are provided a web-based management interface hosted on a .ru domain, and exfiltrated data can also be sent to specified Telegram channels. The malware is delivered as a .dmg file, and when first executed, it displays a fake prompt to trick the victim into handing over their macOS system password. A researcher from Trellix has also analyzed the malware and noticed that an IP address used by AMOS might be linked to Raccoon Stealer, a piece of malware previously tied to Russian and Ukrainian threat actors. The researchers noted that it is unclear if the malware is signed and how much effort it takes to get it to bypass macOS security features and get it to execute on a system. The researchers stated that in many cases, malware designed to run on macOS may appear to have numerous capabilities, but actually getting it to execute on targeted systems is not an easy task.
SecurityWeek reports: "New 'Atomic macOS Stealer' Malware Offered for $1,000 Per Month"
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