Threat Actor Profile
Ransomhub
Ransomhub, a Ransomware-as-a-Service (RaaS) group, emerged in February 2024 and quickly gained notoriety for targeting critical infrastructure sectors. Known for their double extortion tactics, Ransomhub has impacted over 200 organizations globally, leveraging advanced techniques to exfiltrate and encrypt sensitive data.
Threat Actor Profile
Ransomhub
Country of Origin
The exact country of origin for Ransomhub remains unknown. However, their operational patterns suggest affiliations with Russian-speaking cybercriminal forums.
Members
The group’s size is unknown, but it is believed to consist of multiple affiliates, including former members of other ransomware groups like ALPHV and Knight.
Leadership
No specific leaders or aliases have been identified for Ransomhub. The group operates as a decentralized RaaS model, recruiting affiliates through dark web forums.
Ransomhub TTPs
Tactics
- Ransomhub primarily aims to exfiltrate sensitive data and encrypt systems to extort ransom payments.
Techniques
- Exploiting known vulnerabilities (e.g., CVE-2023-3519, CVE-2023-27997).
- Phishing and password spraying for initial access.
- Using tools like MimiKatz for credential dumping and PowerShell for network reconnaissance.
Procedures
- Double extortion: Encrypting data and threatening to leak it.
- Disabling endpoint detection tools using EDRKillShifter.
- Employing intermittent encryption for faster attacks.
Want to Shut Down Threats Before They Start?
Notable Cyberattacks
The Change Healthcare attack in early 2024, where stolen data was used for extortion.
A significant breach of the Florida Department of Health, impacting critical public health services.
Law Enforcement & Arrests
No arrests have been reported. However, global law enforcement agencies, including the FBI and CISA, have issued advisories to mitigate Ransomhub’s impact.
How to Defend Against Ransomhub
Implement multi-factor authentication (MFA) to prevent unauthorized access.
Regularly patch known vulnerabilities.
Use network segmentation to limit lateral movement.
Huntress solutions help protect organizations by monitoring endpoints, detecting intrusions, and mitigating Fancy Bear threats withenterprise-grade technology.
References
Detect, Respond, Protect
See how the global Huntress SOC can augment your team
with 24/7 coverage and unmatched human expertise.
Start your free trial today.
