Threats Tagged 'minhook'
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Threats Tagged 'minhook'
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A threat actor campaign observed in late 2023 and early 2024 targeted multiple regions, initially in the Far East and later Sweden, using DLL sideloading techniques combined with the Minhook library to intercept Windows API calls. The attackers leveraged compromised digital signatures, including an expired signature from a Korean game developer, to sign components and evade detection. The final payload deployed was Cobalt Strike, a known post-exploitation tool. Three distinct sideloading scenarios were identified: MiracastView, PrintDialog, and SystemSettings. The clean loader used in the attack was sourced from infected systems rather than bundled with the sideloading package, complicating detection. Indicators include multiple file hashes and suspicious domains. This campaign demonstrates sophisticated use of API hooking and sideloading to maintain persistence and evade security controls, posing a medium severity risk to affected organizations, especially in Sweden. Join the discussion | AlienVault OTX General | 05/01/2025, 14:50:09 UTC Added: 12/10/2025, 16:15:28 UTC |
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