PresFox
Intelligence Profile
The family is adding a fake root certificate authority, sets a proxy.pac-url for local browsers and redirects infected users to fake banking applications (currently targeting Poland). Based on information shared, it seems the PowerShell script is dropped by an exploit kit.
Threat Analysis
PresFox is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.
Financially motivated threat actors like PresFox prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.
With high sophistication, PresFox is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.