Incident Score: Analysis & Impact (VEESONCIS1775140482)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of SonicWall's Ransomware and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts SonicWall Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the SonicWall breach identified under incident ID VEESONCIS1775140482.
The analysis begins with a detailed overview of SonicWall's information like the linkedin page: https://www.linkedin.com/company/sonicwall, the number of followers: 114071, the industry type: Computer and Network Security and the number of employees: 1979 employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 721 and after the incident was 453 with a difference of -268 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on SonicWall and their customers.
A newly reported cybersecurity incident, "Akira Ransomware Group Accelerates Attacks, Completing Full Compromise in Under an Hour", has drawn attention.
Security researchers at Halcyon have identified a significant escalation in ransomware attack speed, with the Akira group now executing full attack lifecycles from initial access to data encryption in as little as one hour.
The disruption is felt across the environment, and exposing True, plus an estimated financial loss of $244 million in ransom payments (estimated).
Formal response steps have not been shared publicly yet.
Overall, the incident is a reminder of why proactive monitoring and strong governance matter.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with high confidence (90%), supported by evidence indicating exploiting vulnerabilities in internet-facing VPN appliances and backup solutions, External Remote Services (T1133) with high confidence (90%), supported by evidence indicating exploiting vulnerabilities in VPN appliances without MFA, Phishing: Spearphishing Attachment (T1566.001) with moderate to high confidence (70%), supported by evidence indicating spearphishing used to breach networks, Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating credential theft and password spraying used for initial access, and Phishing: Spearphishing Link (T1566.002) with moderate confidence (60%), supported by evidence indicating spearphishing as an attack vector. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (50%), supported by evidence indicating living-off-the-land tools used for data staging and encryption and Command and Scripting Interpreter (T1059) with moderate to high confidence (70%), supported by evidence indicating leverages tools like WinRAR, WinSCP, and RClone for operations. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating compromised credentials allow covert access. Under the Privilege Escalation tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating credential theft and password spraying for privilege escalation. Under the Defense Evasion tactic, the analysis identified Impair Defenses: Disable or Modify Tools (T1562.001) with high confidence (90%), supported by evidence indicating disables security software to evade detection, Masquerading (T1036) with moderate to high confidence (80%), supported by evidence indicating uses living-off-the-land tools like FileZilla, WinRAR, WinSCP, and Execution Guardrails: Environmental Keying (T1480.001) with moderate confidence (60%), supported by evidence indicating intermittent encryption to minimize detection time. Under the Credential Access tactic, the analysis identified Brute Force: Password Spraying (T1110.003) with moderate to high confidence (80%), supported by evidence indicating password spraying used to breach networks and Credentials from Password Stores (T1555) with moderate to high confidence (70%), supported by evidence indicating credential theft as an attack vector. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating data staging and encryption imply discovery of target files. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating data exfiltration as part of double-extortion model. Under the Command and Control tactic, the analysis identified Ingress Tool Transfer (T1105) with moderate to high confidence (70%), supported by evidence indicating uses tools like RClone for data staging and exfiltration. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration before encryption in double-extortion model and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating uses tools like FileZilla and WinSCP for data staging. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (100%), supported by evidence indicating data encryption as part of ransomware attack and Data Destruction (T1485) with moderate confidence (60%), supported by evidence indicating intermittent encryption scrambling files. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- SonicWall Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/sonicwall/incident/VEESONCIS1775140482
- SonicWall CyberSecurity Rating page: https://www.rankiteo.com/company/sonicwall
- SonicWall Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/veesoncis1775140482-veeam-sonicwall-cisco-ransomware-march-2023/
- SonicWall CyberSecurity Score History: https://www.rankiteo.com/company/sonicwall/history
- SonicWall CyberSecurity Incident Source: https://www.infosecurity-magazine.com/news/researchers-subonehour-ransomware/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf