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Lazarus Group Uses New RustyAttr Malware for Extended Attribute Abuse to Target macOS – Active IOCs

2024-11-14, Rewterz
https://www.rewterz.com/threat-advisory/lazarus-group-uses-new-rustyattr-malware-for-extended-attribute-abuse-to-target-macos-active-iocs
#Lazarus #RustyAttr

Contents

Multiple Adobe Products Vulnerabilities
November 14, 2024Bitter APT – Active IOCs
November 15, 2024Multiple Adobe Products Vulnerabilities
November 14, 2024Bitter APT – Active IOCs
November 15, 2024Severity
High
Analysis Summary
Threat actors have been discovered using a novel method to smuggle a new malware known as RustyAttr by abusing extended attributes for macOS files. Citing tactical and infrastructure commonalities seen concerning previous campaigns, such as RustBucket, the researchers have linked the new activity with a moderate degree of confidence to the notorious Lazarus Group, which is associated with North Korea.
Extended attributes are extra metadata linked to files and directories that can be retrieved with the help of a specific command known as xattr. They are frequently used to hold data like file size, timestamps, and permissions that are not included in the normal attributes. The malicious programs found by researchers are constructed using Tauri, a cross-platform desktop application framework, and signed with a leaked certificate that has …

IoC

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104.168.157.45
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https://filedn.com/lY24cv0IfefboNEIN0I9gqR
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