Interface listed on Hunters ransomware leak site

• Ransomware group: Hunters
• Country: United States
• Sector: Manufacturing
• Announcement date: April 3, 2024

Hunters ransomware group claims data exfiltration from Interface

The Hunters International ransomware group has officially listed the organization Interface on its dedicated leak site. According to the group's announcement, they claim to have successfully exfiltrated data from the organization. While the threat actors have confirmed that they have obtained sensitive information, they have also stated that they did not engage in the encryption of the target's systems during this specific incident.

To support their claims of a successful breach, the group has published several sample documents on their platform. This tactic is common among modern ransomware groups, which often use proof-of-concept files to demonstrate the validity of their theft to both the victim and the public. However, the group has not provided information regarding the total volume of data stolen or the specific number of files involved in the breach.

Details of the alleged data breach

The information released by the threat actors includes samples of various sensitive documents. While the group has provided these samples to validate their claims, the full scope and the complete content of the exfiltrated data remain unknown, as no detailed information regarding the total dataset has been provided. The leaked samples specifically include the following types of information:

• Confidential agreements
• Strategy documents
• Technology documents

This type of incident is often associated with a strategy known as double extortion, where attackers focus on stealing data to use as leverage for ransom demands rather than simply locking the victim's systems. By threatening to release sensitive corporate information, attackers aim to increase the pressure on the organization to comply with their demands.

About Interface

Interface is a global company specializing in the design and manufacturing of commercial flooring, particularly modular carpet tiles. The firm is widely recognized for its commitment to sustainable manufacturing processes and its pursuit of carbon-neutral goals. Serving a diverse range of clients, Interface provides its products to the office, education, and healthcare sectors on a worldwide scale.

Risk assessment and implications

This alleged data breach may pose a significant risk by exposing sensitive commercial information belonging to Interface. Because Interface is a United States-based organization, this incident could potentially trigger various legal obligations. Depending on the nature of the data and the jurisdictions involved, the company may face data breach notification requirements under relevant state laws and federal regulations.

The exposed data, which includes strategic and technological documents, could potentially facilitate identity theft or be used to conduct targeted phishing attacks against the organization's employees and business partners. Such attacks often use stolen information to craft highly convincing messages to gain further access to corporate networks or to commit financial fraud.

There are technical observations regarding the threat actor group. It is assessed that Hunters International may be derived from the Hive ransomware codebase, suggesting they might utilize similar methods to infiltrate corporate networks. Furthermore, the group's previous announcement regarding the cessation of encryption activities in 2025 may indicate a strategic shift in their operations. This evolution suggests that their attack strategies may have moved toward focusing exclusively on data exfiltration and extortion rather than traditional system encryption.

For organizations in the manufacturing sector, maintaining robust security postures is essential to mitigate these evolving threats. Implementing strict access controls, monitoring for unauthorized data movement, and ensuring comprehensive employee training on phishing awareness are standard defensive measures used to protect against such exfiltration-focused attacks.