Incident Score: Analysis & Impact (FRE1770566194)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Fresenius Group'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 Fresenius Group 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 Fresenius Group breach identified under incident ID FRE1770566194.
The analysis begins with a detailed overview of Fresenius Group's information like the linkedin page: https://www.linkedin.com/company/fresenius-se, the number of followers: 115130, the industry type: Hospitals and Health Care and the number of employees: 19612 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 731 and after the incident was 623 with a difference of -108 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 Fresenius Group and their customers.
Fresenius recently reported "Fresenius Hit by Snake Ransomware Attack", a noteworthy cybersecurity incident.
Fresenius, Europe’s largest private hospital operator and a leading global provider of dialysis products and services, suffered a ransomware attack disrupting its technology systems.
The disruption is felt across the environment, affecting True, and exposing True.
In response, and stakeholders are being briefed through Limited details disclosed citing security protocols.
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 moderate confidence (50%), with evidence including disrupting its technology systems, and attack targeted Fresenius’ four independent business units and External Remote Services (T1133) with lower confidence (40%), supported by evidence indicating global provider with operations across over 100 countries. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating snake ransomware strain known for targeting large enterprises. Under the Persistence tactic, the analysis identified Scheduled Task/Job: Scheduled Task (T1053.005) with moderate confidence (50%), supported by evidence indicating snake ransomware encrypts files and locks systems. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating snake ransomware strain known for targeting large enterprises and Execution Guardrails (T1480) with moderate confidence (60%), supported by evidence indicating snake gives victims 48 hours to pay or risk public exposure. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating disrupting its technology systems across business units. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating snake encrypts files and exfiltrates data before locking systems. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating data exfiltration confirmed in ransomware attack. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with moderate confidence (60%), supported by evidence indicating snake ransomware strain known for targeting large enterprises. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating snake exfiltrates data before locking systems. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (100%), supported by evidence indicating snake encrypts files and locks systems and Inhibit System Recovery (T1490) with moderate to high confidence (80%), supported by evidence indicating disrupting its technology systems. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Fresenius Group Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/fresenius-se/incident/FRE1770566194
- Fresenius Group CyberSecurity Rating page: https://www.rankiteo.com/company/fresenius-se
- Fresenius Group Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/fre1770566194-fresenius-fresenius-helios-fresenius-kabi-fresenius-medical-care-ransomware-may-2020/
- Fresenius Group CyberSecurity Score History: https://www.rankiteo.com/company/fresenius-se/history
- Fresenius Group CyberSecurity Incident Source: https://krebsonsecurity.com/2020/05/europes-largest-private-hospital-operator-fresenius-hit-by-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