Incident Score: Analysis & Impact (SKE1770473368)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Skender'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 Skender 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 Skender breach identified under incident ID SKE1770473368.
The analysis begins with a detailed overview of Skender's information like the linkedin page: https://www.linkedin.com/company/skender, the number of followers: 21473, the industry type: Construction and the number of employees: 317 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 684 and after the incident was 554 with a difference of -130 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 Skender and their customers.
On 05 April 2024, Skender Construction disclosed Ransomware issues under the banner "Skender Construction Ransomware Attack".
Chicago-based general contractor Skender Construction disclosed a ransomware attack that may have exposed sensitive personal information of over 1,000 individuals, including names, addresses, Social Security numbers, and other personal data.
The disruption is felt across the environment, and exposing Sensitive personal information, with nearly 1067 records at risk.
In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Restoring systems from backups, and began remediation that includes Engaged Kroll for identity monitoring services, while recovery efforts such as Restored systems from backups continue, and stakeholders are being briefed through Filing with Maine Attorney General’s office.
The case underscores how Ongoing, with advisories going out to stakeholders covering Offering one year of identity monitoring services through Kroll.
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 attack vector and vulnerability exploited not specified and External Remote Services (T1133) with lower confidence (40%), supported by evidence indicating construction firms increasingly targeted by ransomware groups. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating ransomware attack disclosed, likely involving malicious execution. Under the Persistence tactic, the analysis identified Scheduled Task/Job (T1053) with lower confidence (40%), supported by evidence indicating ransomware attack implies persistence mechanisms. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate confidence (50%), supported by evidence indicating ransomware attack likely required elevated privileges. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating ransomware attack implies evasion of defenses and Execution Guardrails (T1480) with moderate confidence (50%), supported by evidence indicating attackers avoided detection until incident discovery. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating sensitive personal data (SSNs, passport details) compromised. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate confidence (60%), supported by evidence indicating direct deposit data and health records accessed. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating names, addresses, SSNs, and other PII compromised. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware attack with data encryption confirmed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating attackers motivated by financial gain, data exposure likely. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Skender Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/skender/incident/SKE1770473368
- Skender CyberSecurity Rating page: https://www.rankiteo.com/company/skender
- Skender Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/ske1770473368-skender-construction-ransomware-april-2024/
- Skender CyberSecurity Score History: https://www.rankiteo.com/company/skender/history
- Skender CyberSecurity Incident Source: https://www.constructiondive.com/news/skender-ransomware-attack-chicago-maine/712844/
- 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