Analyzing state-sponsored malware on macOS

2023-09-27 Jamf

https://www.jamf.com/blog/threat-hunting-unraveling-malware-tactics/

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Jamf summarizes Lazarus tradecraft against macOS, including Operation Dream Job cryptocurrency job lures and supply chain intrusions. In the Coinbase-themed chain, LinkedIn spearphishing led victims to a malicious PDF and a signed FinderFontsUpdater app that fetched safarifontsagent as a second stage; the third-stage payload was unavailable because the C2 server was offline. The article also covers the Lazarus-linked 3CX compromise, where a malicious .libffmpeg.dylib created host-based identifiers and used legitimate 3CX configuration data before selectively delivering later payloads. It separately notes JumpCloud backdoors and BlueNoroff financially focused targeting, keeping the macOS focus on persistence, staged payload retrieval, and cryptocurrency-sector lures.

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