RansomHub ransomware group lists 500gb/www.confins.com.br/10kk/BR/Come to chat or we will attack you again. on its leak site

• Ransomware group: RansomHub
• Country: Brazil
• Sector: Financial Services
• Announcement date: May 14, 2024

RansomHub claims data breach against confins.com.br

The threat actor known as RansomHub has officially listed the organization confins.com.br on its dedicated leak site. According to the announcement made on May 14, 2024, the group claims to have exfiltrated a significant volume of data belonging to the entity. This development follows a pattern of extortion common among modern ransomware operations, where stolen information is used as leverage against the target organization.

The threat actor issued a direct and aggressive message alongside the listing, stating that they may attack the institution again if communication is not established. This tactic is designed to increase pressure on the victim by threatening repeated disruptions to their operations. The listing itself reportedly includes various images and information specifically related to the institution's logistics operations, suggesting that the stolen data may contain details regarding how the company manages its supply chain and distribution processes.

Details of the alleged data theft

While the group has provided some information regarding the scale of the breach, many specific details remain unknown. The group has claimed that the total size of the stolen data is 500 GB. However, the listing does not provide a specific file count or a breakdown of the exact types of files that were compromised.

Regarding the specific contents of the breach, the listing names no data types beyond the general mention of logistics information and images.

Analysis of the threat actor

RansomHub is a ransomware group that emerged in early 2024. Based on reports, the group was noted to have ceased its operations in early 2025. The group has been historically linked to the threat actor known as ALPHV. Because of these historical ties, it is assessed that the actions taken by RansomHub in this instance may be part of a double-extortion strategy. Double extortion is a method where attackers not only encrypt an organization's data to disrupt operations but also steal sensitive information to threaten its public release, thereby increasing the likelihood of a ransom payment.

Potential risks and organizational impact

The claim made by RansomHub poses a significant risk to the operational continuity of the institution. If the stolen data is indeed used for extortion, it can lead to various downstream consequences. Depending on the specific nature of the leaked information, there is a risk of identity theft or the execution of targeted phishing attacks directed at both employees and customers of the organization.

As the organization operates within Brazil, any confirmed data breach may trigger specific legal obligations under the LGPD (General Data Protection Law of Brazil). Organizations in the financial services sector must be particularly vigilant, as they handle sensitive information that is highly valued by cybercriminals. To mitigate such risks, organizations typically focus on strengthening their defensive posture through robust backup strategies, continuous monitoring of network traffic, and comprehensive employee training to recognize social engineering and phishing attempts.

Summary of the incident

• Organization: confins.com.br
• Ransomware group: RansomHub
• Claimed data size: 500 GB
• Claimed attack date: 2024-05-14
• Announcement date: May 14, 2024
• Sector: Financial Services
• Country: Brazil