Incident Score: Analysis & Impact (ART1770352837)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Artemis Health Ventures Pte. Ltd'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 Artemis Health Ventures Pte. Ltd 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 Artemis Health Ventures Pte. Ltd breach identified under incident ID ART1770352837.
The analysis begins with a detailed overview of Artemis Health Ventures Pte. Ltd's information like the linkedin page: https://www.linkedin.com/company/artemishealthcare, the number of followers: 0, the industry type: Public Health and the number of employees: 6 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 807 and after the incident was 684 with a difference of -123 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 Artemis Health Ventures Pte. Ltd and their customers.
On 16 July 2025, Artemis Healthcare disclosed Ransomware issues under the banner "Artemis Healthcare Hit by Crypto24 Ransomware Attack".
Artemis Healthcare, an anatomic pathology laboratory, disclosed a ransomware attack that compromised the sensitive data of 45,867 individuals.
The disruption is felt across the environment, and exposing Sensitive data of 45,867 individuals, with nearly 45,867 records at risk.
In response, and began remediation that includes Reviewing security policies, additional employee training, implementing corrective measures, and stakeholders are being briefed through Notifying affected individuals, reporting to regulatory bodies.
The case underscores how Completed, with advisories going out to stakeholders covering Notification to affected individuals.
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%), supported by evidence indicating unauthorized access occurred between May 5 and May 31, 2025 and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating suspicious network activity detected, implying possible account misuse. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating ransomware attack by Crypto24, likely involving malicious execution. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating sensitive data (SSNs, health details) compromised, suggesting credential access. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating social Security numbers, dates of birth, addresses, health insurance details exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating crypto24 posted about the hack on the Tor network, indicating data exfiltration. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), supported by evidence indicating ransomware attack by Crypto24, implying data encryption for ransom. Under the Defense Evasion tactic, the analysis identified Indicator Removal (T1070) with moderate confidence (60%), supported by evidence indicating unauthorized access occurred over weeks before detection and Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating suspicious network activity detected late, suggesting evasion tactics. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Artemis Health Ventures Pte. Ltd Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/artemishealthcare/incident/ART1770352837
- Artemis Health Ventures Pte. Ltd CyberSecurity Rating page: https://www.rankiteo.com/company/artemishealthcare
- Artemis Health Ventures Pte. Ltd Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/art1770352837-artemis-healthcare-ransomware-may-2025/
- Artemis Health Ventures Pte. Ltd CyberSecurity Score History: https://www.rankiteo.com/company/artemishealthcare/history
- Artemis Health Ventures Pte. Ltd CyberSecurity Incident Source: https://www.claimdepot.com/investigations/artemis-healthcare-data-breach-2026
- 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