Incident Score: Analysis & Impact (HYAHIL1769446839)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Hyatt'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 Hyatt 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 Hyatt breach identified under incident ID HYAHIL1769446839.
The analysis begins with a detailed overview of Hyatt's information like the linkedin page: https://www.linkedin.com/company/hyatt, the number of followers: 1560442, the industry type: Hospitality and the number of employees: 89774 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 718 and after the incident was 618 with a difference of -100 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 Hyatt and their customers.
On 25 January 2024, Hilton disclosed Ransomware issues under the banner "Cl0p Ransomware Gang Claims Breach of Hilton, Allegedly Stealing 48.5GB of Data".
The Russia-linked ransomware group Cl0p has added Hilton, one of the world’s largest hotel chains, to its dark web leak site, alleging a successful cyberattack.
The disruption is felt across the environment, and exposing 48.5GB of documents.
Formal response steps have not been shared publicly yet.
The case underscores how Unverified.
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 (60%), supported by evidence indicating cl0p has a history of breaches of file transfer platforms and External Remote Services (T1133) with moderate confidence (50%), supported by evidence indicating hilton operates over 600 properties with vast customer data. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating 195 million loyalty program members represent high-value targets. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating 48.5GB of documents allegedly exfiltrated from Hyatt Place Chelsea. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating cl0p claims to have exfiltrated 48.5GB of data (double-extortion). Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (70%), supported by evidence indicating cl0p known for double-extortion tactics (encrypts and steals data) and Defacement (T1491) with moderate confidence (60%), supported by evidence indicating cl0p posted Hilton on its dark web leak site as latest victim. Under the Command and Control tactic, the analysis identified Application Layer Protocol (T1071) with moderate to high confidence (70%), supported by evidence indicating cl0p operates under RaaS model, likely uses C2 for exfiltration. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Hyatt Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/hyatt/incident/HYAHIL1769446839
- Hyatt CyberSecurity Rating page: https://www.rankiteo.com/company/hyatt
- Hyatt Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/hyahil1769446839-hyatt-place-chelsea-new-york-hilton-ransomware-june-2021/
- Hyatt CyberSecurity Score History: https://www.rankiteo.com/company/hyatt/history
- Hyatt CyberSecurity Incident Source: https://cybernews.com/security/cl0p-hilton-hotel-ransomware-attack/
- 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