Incident Score: Analysis & Impact (PRI1777616651)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Prime Properties Asset Management'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 Prime Properties Asset Management 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 Prime Properties Asset Management breach identified under incident ID PRI1777616651.
The analysis begins with a detailed overview of Prime Properties Asset Management's information like the linkedin page: https://www.linkedin.com/company/prime-properties-asset-management, the number of followers: 0, the industry type: Real Estate and the number of employees: 8 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 802 and after the incident was 713 with a difference of -89 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 Prime Properties Asset Management and their customers.
On 29 April 2024, Prime Properties disclosed Ransomware issues under the banner "M3rx Ransomware Group Targets Australian Firm Prime Properties".
A recently emerged ransomware group, M3rx, has claimed its latest victim: Prime Properties, a Sydney-based property investment and management consultancy firm.
The disruption is felt across the environment, and exposing 100GB of data, at least 81,000 files, with nearly 81,000 files records at risk.
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 Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating attack threatening the organizations existence and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating no details on malware’s origin or entry vector. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating pE32+ x64 Go-based executable with embedded configuration and Command and Scripting Interpreter: PowerShell (T1059.001) with moderate to high confidence (80%), supported by evidence indicating self-deletion via PowerShell post-encryption. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating no evidence of persistence, but ransomware implies access. Under the Defense Evasion tactic, the analysis identified Indicator Removal: File Deletion (T1070.004) with high confidence (90%), supported by evidence indicating self-deletion via PowerShell, Recycle Bin clearing and Execution Guardrails: Environmental Keying (T1480.001) with moderate confidence (50%), supported by evidence indicating go-based executable with embedded configuration. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with lower confidence (40%), supported by evidence indicating no direct evidence, but common in ransomware attacks. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating 81,000 files exfiltrated, implying discovery phase. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating 100GB of data exfiltrated from Prime Properties. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with moderate confidence (60%), supported by evidence indicating ransomware variant uses X25519 key exchange. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 100GB of data exfiltrated, listed on darknet leak site. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (100%), supported by evidence indicating aES-CTR/AES-GCM encryption, .8hmlsewu extension appended and Data Destruction (T1485) with moderate confidence (50%), supported by evidence indicating recycle Bin clearing post-encryption. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Prime Properties Asset Management Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/prime-properties-asset-management/incident/PRI1777616651
- Prime Properties Asset Management CyberSecurity Rating page: https://www.rankiteo.com/company/prime-properties-asset-management
- Prime Properties Asset Management Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/pri1777616651-prime-properties-ransomware-april-2026/
- Prime Properties Asset Management CyberSecurity Score History: https://www.rankiteo.com/company/prime-properties-asset-management/history
- Prime Properties Asset Management CyberSecurity Incident Source: https://www.cyberdaily.au/security/13534-exclusive-prime-properties-listed-as-breach-victim-by-m3rx-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