Threat actor REF6598 is targeting the financial and cryptocurrency sectors using social engineering to trick victims into opening a malicious Obsidian vault. The attack leverages Obsidian's community plugins to execute cross-platform attack chains, culminating in the deployment of the PHANTOMPULSE RAT on Windows and an AppleScript dropper on macOS.
Obsidian
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Phantom in the vault: Obsidian abused to deliver PhantomPulse RAT