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Cybersecurity Threat: BunnyLoader Malware Evolves with New Features

The newly released BunnyLoader 3.0 malware poses a significant threat in the cyber world. Originally discovered in September 2023, BunnyLoader has since undergone several major updates, enhancing its capabilities to steal information, credentials, and cryptocurrency, as well as deliver additional malware.

Various bug fixes, antivirus evasion measures, and multiple data recovery functionalities have been added to BunnyLoader over time. A recent development in February 2024 saw the release of BunnyLoader 3.0, which boasts a 90% improvement in performance and enhanced keylogging capabilities.

Threat researchers have observed changes in BunnyLoader’s tactics and infrastructure, with threat actors frequently modifying the malware to evade detection. The malware is often delivered through packed binaries using tools like PureCrypter, UPX, and Themida, with filenames disguised as legitimate applications and games.

BunnyLoader’s command and control structure has also been updated with new communication protocols and the modularization of the binary, allowing operators to deploy additional features like keyloggers, stealers, and clippers. The malware’s targeted browsers, cryptocurrency wallets, and information theft modules have expanded significantly in recent versions.

Palo Alto Networks customers are encouraged to protect themselves from BunnyLoader by using products like Cortex XDR, XSIAM, Prisma Cloud, and Next-Generation Firewalls with Cloud-Delivered Security Services.

Cybersecurity experts emphasize the importance of staying vigilant and taking proactive measures to prevent BunnyLoader attacks.

For those who suspect a compromise or have urgent concerns, it is recommended to contact the Unit 42 Incident Response team for assistance.

The evolving nature of BunnyLoader and its advanced capabilities highlight the need for continuous monitoring and protection against cyber threats in today’s digital landscape.

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