Also known as: Hecamede
BlackByte is a ransomware threat actor operating since at least 2021. BlackByte is associated with several versions of ransomware also labeled BlackByte Ransomware. BlackByte ransomware operations initially used a common encryption key allowing for the development of a universal decryptor, but subsequent versions such as BlackByte 2.0 Ransomware use more robust encryption mechanisms. BlackByte is notable for operations targeting critical infrastructure entities among other targets across North America.(Citation: FBI BlackByte 2022)(Citation: Picus BlackByte 2022)(Citation: Symantec BlackByte 2022)(Citation: Microsoft BlackByte 2023)(Citation: Cisco BlackByte 2024)
Executive Summary
BlackByte is a sophisticated ransomware threat actor targeting critical infrastructure entities across North America since at least 2021. Known for evolving ransomware variants, including BlackByte 2.0, the group employs advanced tactics and tools such as Cobalt Strike to compromise systems and execute encryption-based attacks, often requiring payment for decryption keys.
Goals & Targeting
BlackByte's strategic objectives are primarily financial, seeking to maximize profits through high-profile ransom payments by targeting critical infrastructure entities. Their choice of victims is geographically focused on North America, which may be driven by easier access to high-value targets or weaker defenses in certain sectors. The group achieves this by leveraging a combination of known ransomware, custom tools, and attack techniques that allow them to compromise systems and encrypt data efficiently.
Enhanced Description
BlackByte operates a persistent threat campaign leveraging sophisticated ransomware variants to disrupt critical infrastructure and other sectors in North America. The group has demonstrated an ability to evolve its attack methods, with earlier versions featuring common encryption keys that enabled universal decryptors, while more recent iterations like BlackByte 2.0 employ stronger encryption mechanisms. BlackByte's targeting strategy focuses on critical infrastructure entities and organizations across various sectors, likely to maximize impact and induce higher ransom payments. The group's operational tradecraft includes the deployment of custom ransomware coupled with established frameworks like Cobalt Strike, indicating a level of technical sophistication that enables targeted intrusions and lateral movement within networks.
Key Capabilities
MITRE ATT&CK Tactics
ATT&CK Techniques
Software / Tooling
Campaigns & Victims
BlackByte's campaigns exhibit a focus on critical infrastructure and sectors with high recovery costs, enabling increased ransom demands. The group demonstrates a pattern of compromising systems through phishing or exploit kits, followed by lateral movement and data encryption. Notable operations include incidents involving targeted extortion against energy and healthcare organizations, leveraging their technical capabilities for maximum impact.
IOC Patterns
Recommended Actions
Suggested Tags
Confidence Assessment
High confidence in BlackByte's existence and ransomware activities based on multiple independent reports. However, gaps exist regarding the group's exact origin and whether they operate as an APT or purely financially motivated actor. Uncertainty also surrounds their full toolset beyond known associates.
No campaigns linked yet.
No observed data linked yet.
No IOCs linked yet.
48
Techniques
5
Tools
0
Campaigns
0
IOCs
0
Observed Data
14
Tactics