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Analyze » ThinkMarkets » THI1765339292

Incident Score: Analysis & Impact (THI1765339292)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-125
Company Score Before Incident755 / 1000
Company Score After Incident630 / 1000
Company LinkView ThinkMarkets Profile
INCIDENT NUMBERTHI1765339292
Type of Cyber IncidentRansomware
ATTACK VECTORNA
DATA EXPOSED512GB
INCIDENT DATE07/12/2025
STATUSpublished

Key Highlights From The Incident Analysis

  • Timeline of ThinkMarkets'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 ThinkMarkets 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 ThinkMarkets breach identified under incident ID THI1765339292.

The analysis begins with a detailed overview of ThinkMarkets's information like the linkedin page: https://www.linkedin.com/company/thinkmarkets, the number of followers: 15786, the industry type: Financial Services and the number of employees: 212 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 755 and after the incident was 630 with a difference of -125 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 ThinkMarkets and their customers.

On 08 December 2023, ThinkMarkets disclosed Ransomware issues under the banner "ThinkMarkets Data Breach by Chaos Ransomware Group".

Australian online brokerage ThinkMarkets suffered a serious data breach.

The disruption is felt across the environment, and exposing 512GB.

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 to high confidence (70%), supported by evidence indicating online brokerage with global offices may have exposed public-facing apps and External Remote Services (T1133) with moderate confidence (60%), supported by evidence indicating online trading provider likely uses remote access services. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (80%), supported by evidence indicating hR files, legal advice, and company policies exposed (512GB stolen) and Unsecured Credentials: Container API (T1552.007) with moderate confidence (50%), supported by evidence indicating chaos targets ESXi/Linux/NAS systems; may have accessed container APIs. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with high confidence (90%), supported by evidence indicating 512GB of data exfiltrated; includes HR, legal, KYC, and trading info and Network Service Discovery (T1046) with moderate to high confidence (80%), supported by evidence indicating chaos ransomware has network scanning capabilities. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating 512GB of sensitive data stolen, including passport scans and KYC records and Data from Network Shared Drive (T1039) with moderate to high confidence (70%), supported by evidence indicating hR files, legal advice, and company policies likely stored on shared drives. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 512GB of data published on dark web extortion site and Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002) with moderate confidence (60%), supported by evidence indicating chaos may have used cloud storage for exfiltration. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), supported by evidence indicating chaos ransomware group; rapid encryption and individual file keys and Data Destruction (T1485) with moderate confidence (50%), supported by evidence indicating ransomware attack threatening organizations existence. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Sources & References