CyberWire Daily The JPHP loader breaking away from the pack. [Research Saturday]
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Dec 7, 2024 Shawn Kanady, Global Director of Trustwave SpiderLabs, dives into the fascinating world of Pronsis Loader malware, a new threat using the rare programming language JPHP. He uncovers its stealthy installation tactics and ability to deliver dangerous payloads like Lumma Stealer. The discussion highlights the growing prevalence of loader malware, emphasizing the need for robust cybersecurity measures. Kanady also sheds light on the tactics cybercriminals employ, including phishing and social engineering, making it clear that user awareness is crucial in the evolving threat landscape.
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Pronsus Loader's Purpose
- Pronsus Loader acts as a lightweight malware designed to connect to a remote server.
- It downloads additional malware like Latrodectus, often packaged in zip files.
JPHP Usage
- Pronsus Loader is unique due to its use of JPHP, a Java implementation of PHP.
- While other malware like IceRat has used JPHP, it's not common.
Comparison with DFAC Loader
- Pronsus Loader is compared to DFAC Loader, both using JPHP, with DFAC having more advanced evasion tactics like SSL certificates and passwords.
- DFAC Loader is likely a more sophisticated tool from the same threat actor group due to similar code.