This article reviews an Atomic macOS (AMOS) stealer malware infection generated in a lab environment. While several sources have published articles analyzing AMOS stealer, the associated indicators constantly change. This article presents a snapshot of indicators seen in early August 2026 and is designed to help readers better understand AMOS stealer.
AMOS stealer is an information stealer targeting macOS systems that was advertised on Telegram as early as April 2024. AMOS stealer represents a noticeable portion of macOS stealer-based malware and is considered a growing threat. AMOS stealer exfiltrates system information, login credentials and other sensitive data from various applications, including web browsers and cryptocurrency wallets.
Malware that we’ve assessed as AMOS stealer has been distributed through ClickFix campaigns as well as through malicious ads. We’ve also seen AMOS stealer distributed through campaigns that claim to offer cracked versions of popular copyright-protected software. These sites offer instructions to install software such as a macOS toolkit but then actually install malware like AMOS stealer.
Read more…
Source: Palo Alto Unit 42
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Scammers try to SIM-swap Dubai citizens hours after Iranian missile strikes
March 2, 2026
Scammers targeted Dubai citizens mere hours after missiles struck the city, attempting to gain access to their bank accounts, police have warned. Financially motivated cybercriminals are contacting citizens under the guise of Dubai Crisis Management, a fictitious department ostensibly tied to Dubai Police, in attempts to gather information that could be used in SIM-swap attacks. The ...
- New Android malware can hack every top phone maker’s security, and costs less than a second-hand iPhone
February 28, 2026
Oblivion is a newly observed Android Remote Access Trojan which reportedly targets a range of popular devices running Android 8 through 16. Security researchers at Certo have examined the tool, which is sold on a subscription basis starting at $300, and claims to be capable of working on heavily customized systems from Samsung, Xiaomi, and ...
- 15 million French citizens affected by massive data breach following cyberattack on medical software
February 27, 2026
A massive data breach concerning the data of 15 million people in France has been revealed after a cyberattack targeted 1,500 doctors using medical software. The administrative data of around 15 million French citizens, along with notes written by their doctors, were leaked in a large-scale breach targeting 1,500 doctors using a medical software from Cegedim ...
- Ransomware payments drop to record low, even as attacks surge
February 27, 2026
Ransomware groups have never been this active, but have also never extorted this little money, new research has claimed. Market analysts Chainalysis found the number of ransomware incidents in 2025 rose by 50% compared to the previous year, earning criminals $820 million – although this number may still rise as more incidents are attributed to ransomware ...
- CISA and Partners Release Guidance for Ongoing Global Exploitation of Cisco SD-WAN Systems
February 25, 2026
CISA and partners have observed malicious cyber actors targeting and compromising Cisco SD-WAN systems of organizations, globally. These actors have been observed exploiting a previously undisclosed authentication bypass vulnerability, CVE-2026-20127, for initial access before escalating privileges using CVE-2022-20775 and establishing long-term persistence in Cisco SD-WAN systems. Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency Sign up for the ...
- Exposing the Undercurrent: Disrupting the GRIDTIDE Global Cyber Espionage Campaign
February 25, 2026
Last week, Google Threat Intelligence Group (GTIG), Mandiant, and partners took action to disrupt a global espionage campaign targeting telecommunications and government organizations in dozens of nations across four continents. The threat actor, UNC2814, is a suspected People’s Republic of China (PRC)-nexus cyber espionage group that GTIG has tracked since 2017. This prolific, elusive actor has ...