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Analyze » Patelco Credit Union » PAT1781268748

Incident Score: Analysis & Impact (PAT1781268748)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-176
Company Score Before Incident594 / 1000
Company Score After Incident418 / 1000
Company LinkView Patelco Credit Union Profile
INCIDENT NUMBERPAT1781268748
Type of Cyber IncidentRansomware
ATTACK VECTORmalicious links or files (phishing)
DATA EXPOSEDNA
INCIDENT DATE01/07/2024
STATUSongoing

Key Highlights From The Incident Analysis

  • Timeline of Patelco Credit Union'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 Patelco Credit Union 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 Patelco Credit Union breach identified under incident ID PAT1781268748.

The analysis begins with a detailed overview of Patelco Credit Union's information like the linkedin page: https://www.linkedin.com/company/patelco-credit-union, the number of followers: 13661, the industry type: Banking and the number of employees: 996 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 594 and after the incident was 418 with a difference of -176 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 Patelco Credit Union and their customers.

On 29 June 2024, Patelco Credit Union disclosed ransomware issues under the banner "Patelco Credit Union Hit by Ransomware Attack, Disrupting Customer Access".

Dublin-based Patelco Credit Union, one of the largest credit unions in the Bay Area, confirmed a ransomware attack over the weekend that forced the institution to shut down its banking systems.

The disruption is felt across the environment, affecting banking systems, ATMs and online services.

In response, moved swiftly to contain the threat with measures like shut down of banking systems.

The case underscores how ongoing, with advisories going out to stakeholders covering branches remain open with limited services, in-person withdrawals capped at $500.

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 (T1566.001) with moderate to high confidence (80%), supported by evidence indicating ransomware typically enters systems when employees click on malicious links or files and Phishing: Spearphishing Attachment (T1566.002) with moderate to high confidence (80%), supported by evidence indicating ransomware typically enters systems when employees click on malicious links or files. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (80%), supported by evidence indicating employees click on malicious links or files, allowing hackers to encrypt data. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), with evidence including data encrypted by ransomware, and shut down its banking systems due to ransomware attack. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (50%), supported by evidence indicating ransomware attack...potential risks to customer data and financial security. Under the Defense Evasion tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (70%), supported by evidence indicating hackers to encrypt data and demand payment and Obfuscated Files or Information (T1027) with moderate confidence (60%), supported by evidence indicating ransomware attack...timeline for recovery remains unclear. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Phishing: Spearphishing Link (80%)
Phishing: Spearphishing Attachment (80%)
Execution
User Execution: Malicious File (80%)
Impact
Data Encrypted for Impact (90%)
Exfiltration
Exfiltration Over C2 Channel (50%)
Defense Evasion
Data Encrypted for Impact (70%)
Obfuscated Files or Information (60%)

Sources & References