Incident Score: Analysis & Impact (EAR1778567199)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Earth Systems'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 Earth Systems 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 Earth Systems breach identified under incident ID EAR1778567199.
The analysis begins with a detailed overview of Earth Systems's information like the linkedin page: https://www.linkedin.com/company/earth-systems, the number of followers: 3799, the industry type: Environmental Services and the number of employees: 128 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 751 and after the incident was 639 with a difference of -112 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 Earth Systems and their customers.
On 07 May 2024, Earth Systems disclosed Ransomware issues under the banner "INC Ransom Strikes Australian Environmental Firm Earth Systems, Steals 600GB of Sensitive Data".
The INC Ransom ransomware group has claimed responsibility for a cyberattack on Earth Systems, an Australian environmental management firm with a global presence.
The disruption is felt across the environment, and exposing 600GB.
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 Phishing: Spearphishing Link (T1566.002) with high confidence (90%), supported by evidence indicating initial access is often gained through spear-phishing attacks. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating spear-phishing attacks likely involved malicious file execution. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating ransomware groups often dump credentials to escalate privileges. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating 600GB of data exfiltrated, including corporate records and contracts and Data from Network Shared Drive (T1039) with moderate to high confidence (70%), supported by evidence indicating project details under NDAs and internal correspondence compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 600GB of data exfiltrated by INC Ransom group and Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002) with moderate confidence (60%), supported by evidence indicating threat actors may use cloud storage for data exfiltration. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware attack with implied data encryption and Inhibit System Recovery (T1490) with moderate to high confidence (70%), supported by evidence indicating ransomware groups often disable recovery mechanisms. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating ransomware often uses obfuscation to evade detection and Indicator Removal: File Deletion (T1070.004) with moderate confidence (60%), supported by evidence indicating threat actors may delete logs to cover tracks. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Earth Systems Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/earth-systems/incident/EAR1778567199
- Earth Systems CyberSecurity Rating page: https://www.rankiteo.com/company/earth-systems
- Earth Systems Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/ear1778567199-earth-systems-ransomware-may-2026/
- Earth Systems CyberSecurity Score History: https://www.rankiteo.com/company/earth-systems/history
- Earth Systems CyberSecurity Incident Source: https://www.cyberdaily.au/security/13582-exclusive-aussie-firm-earth-systems-listed-by-inc-ransom-hacking-group
- 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