What is Ransomware as a Service (RaaS)?

    Ransomware as a Service (RaaS) is a cybercrime business model where ransomware developers create and lease complete ransomware kits to affiliates who execute attacks. This model enables individuals with minimal technical expertise, resources, and manpower to launch sophisticated ransomware campaigns. While the malware’s developers receive payment through subscriptions or a share of ransom profits. By lowering the barrier to entry, RaaS has contributed to the global surge in ransomware attacks.

    RaaS platforms operate much like legitimate Software-as-a-Service (SaaS) platforms, offering user-friendly interfaces, technical support, and regular updates to improve malware capabilities. Affiliates can manage their attacks with ease, creating an accessible system for deploying ransomware. The democratization of ransomware through RaaS has increased attack volume and global reach, posing significant risks to organizations across all industries.

    Why RaaS’s Growing Threat Profile is Dangerous

    RaaS has expanded the ransomware threat landscape by lowering the technical barriers to launching attacks. Its user-friendly tools and pre-built infrastructure have fueled a surge in ransomware campaigns, often targeting high-value organizations with significant resources. Frequent updates ensure RaaS operations remain effective against evolving defenses, allowing attackers to scale their efforts rapidly.

    The impact of RaaS is profound: organizations face heightened risks of financial losses, operational disruptions, and reputational damage. Falling victim to such attacks often results in costly ransom payments, data breaches, and lengthy recovery processes, making RaaS a persistent and escalating threat.

    How Ransomware as a Service Works

    Ransomware developers provide affiliates with access to pre-built ransomware kits, which often include customization options, distribution mechanisms, and encryption algorithms. These platforms commonly operate under two business models: subscription-based services, where affiliates pay recurring fees, and profit-sharing arrangements, where ransomware developers take a percentage of the ransom payouts. 

    Advanced RaaS platforms may also offer features like dashboards for tracking attacks, customer support for troubleshooting, and updates to bypass evolving security defenses.

    Protecting Against RaaS Attacks

    RaaS attacks often resemble standard ransomware attacks, employing many of the same tactics, techniques, and procedures (TTPs) and exploiting familiar vulnerabilities. The key difference is the increased frequency of potential attacks due to RaaS lowering the barrier of entry for cybercriminals. This surge demands that organizations be prepared to defend against ransomware more often and with greater effectiveness.

    Traditional security measures like endpoint detection, backups, anti-phishing protection, network segmentation, employee training and a culture of security are crucial, but they may not keep up with RaaS.

    Continuous testing against the latest ransomware strains is critical to answering the question: Are my defenses ready? Tools like Pentera’s RansomwareReady emulate real-world ransomware attacks in live production environments, exposing vulnerabilities and gaps in existing security controls and providing actionable insights to strengthen defenses against future threats.

    Continuously test your ransomware defenses and readiness
    Assess risk

    RaaS Examples

    RaaS has produced some of the most notorious ransomware strains, which continue to wreak havoc across industries. Two notable examples include:

    REvil

    Also known as Sodinokibi, REvil is one of the most infamous RaaS operations. It has targeted large enterprises and demanded multi-million-dollar ransoms, leveraging double extortion tactics by encrypting data and threatening to release sensitive information. REvil’s scalable and efficient business model has made it a prominent player in the RaaS ecosystem, impacting organizations worldwide.

    LockBit

    LockBit is another highly sophisticated RaaS strain known for its rapid encryption capabilities and ease of deployment. Its developers constantly update the malware to evade detection and enhance efficiency. LockBit has become a preferred tool for attackers due to its user-friendly design and effective encryption algorithms. It has targeted a wide range of sectors, from healthcare to critical infrastructure.

    Both REvil and LockBit are supported within Pentera’s RansomwareReady module, allowing organizations to safely emulate these real-world threats in their production environments. This proactive approach ensures defenses are tested against the very same tools used by adversaries. Learn more about RansomwareReady.

    Additional RaaS Strains

    Beyond REvil and LockBit, other notable RaaS strains have emerged, each demonstrating the growing sophistication of this business model. These include:

    • DarkSide: Infamous for targeting critical infrastructure, such as the Colonial Pipeline, using double extortion tactics.
    • BlackMatter: Positioned as a successor to DarkSide, this strain has targeted enterprise organizations with high-value data.
    • Conti: Known for its professionalized operations, Conti has a history of large-scale attacks with significant ransom demands.
    • Hive: Specializes in targeting the healthcare sector, disrupting essential services with devastating impact.
    Glossary related terms
    Adversarial Exposure Validation (AEV) Automated Penetration Testing Automated Security Validation Continuous Validation Continuous Threat Exposure Management (CTEM) Ransomware Readiness Assessment Penetration Testing as a Service (PTaaS)
    Continuously test your ransomware defenses and readiness
    Assess risk