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Home Alerts

Cicada3301 Ransomware Targets VMware ESXi

September 2, 2024
Reading Time: 2 mins read
in Alerts
Cicada3301 Ransomware Targets VMware ESXi

A new ransomware-as-a-service (RaaS) operation known as Cicada3301 has recently emerged, rapidly making its mark by targeting VMware ESXi systems with a sophisticated Linux encryptor. The operation, which began promoting itself and recruiting affiliates on June 29, 2024, has already listed 19 victims on its extortion portal. Despite sharing its name with a cryptographic puzzle game from 2012-2014, there is no connection between the two, and the original project has denounced the ransomware activities.

Cicada3301 employs double-extortion tactics typical of modern ransomware campaigns. First, it breaches corporate networks to steal valuable data, and then it encrypts files to demand a ransom. The ransomware’s encryptor, written in Rust, utilizes the ChaCha20 stream cipher for file encryption and RSA encryption for the symmetric key. This design is notably similar to that of the now-defunct ALPHV/BlackCat ransomware, suggesting a possible rebranding or a fork from the original team.

One of the notable features of Cicada3301 is its capability to specifically target VMware ESXi environments. The ransomware includes functionality to shut down virtual machines and delete their snapshots before proceeding with encryption, although it can be configured to skip these steps. This focus on virtualized environments highlights the ransomware’s strategic aim to maximize disruption within enterprise infrastructures, making recovery more challenging for affected organizations.

The sophisticated nature of Cicada3301’s operation, combined with its targeted approach, underscores the growing threat of ransomware in the enterprise sector. By disrupting critical virtual infrastructures and employing advanced encryption techniques, Cicada3301 enhances the impact of its attacks, putting significant pressure on victims to comply with ransom demands. This development serves as a stark reminder of the evolving tactics used by cybercriminals to inflict financial and operational damage on businesses.

Reference:

  • Cicada3301 Ransomware Targets VMware ESXi with Advanced Linux Encryptor
Tags: Cicada3301CryptographicCyber AlertsCyber Alerts 2024Cyber threatsLinuxRaaSRansomwareRansomware-as-a-ServiceSeptember 2024VmwareVMware ESXi
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