Rankiteo Logo
Rankiteo
Leader in Cyber Underwriting
Loading...
NEWRankiteo Cyber Underwriting Desktop - Score, price, and bind from your desktop
WindowsmacOSLinux
Download
Analyze » Complexul Energetic Oltenia » COMDIRHID1767023731

Incident Score: Analysis & Impact (COMDIRHID1767023731)

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

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-106
Company Score Before Incident747 / 1000
Company Score After Incident641 / 1000
Company LinkView Complexul Energetic Oltenia Profile
INCIDENT NUMBERCOMDIRHID1767023731
Type of Cyber IncidentRansomware
ATTACK VECTORCompromised credentials and Internet-exposed services
DATA EXPOSEDDocuments and files encrypted
INCIDENT DATE26/12/2025
STATUSOngoing

Key Highlights From The Incident Analysis

  • Timeline of Complexul Energetic Oltenia'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 Complexul Energetic Oltenia 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 Complexul Energetic Oltenia breach identified under incident ID COMDIRHID1767023731.

The analysis begins with a detailed overview of Complexul Energetic Oltenia's information like the linkedin page: https://www.linkedin.com/company/complexul-energetic-oltenia, the number of followers: 1698, the industry type: Oil and Gas and the number of employees: 402 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 747 and after the incident was 641 with a difference of -106 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 Complexul Energetic Oltenia and their customers.

On 26 December 2023, Oltenia Energy Complex (Complexul Energetic Oltenia) disclosed Ransomware issues under the banner "Ransomware Attack on Oltenia Energy Complex".

A ransomware attack hit Oltenia Energy Complex (Complexul Energetic Oltenia), Romania's largest coal-based energy producer, on the second day of Christmas, taking down its IT infrastructure.

The disruption is felt across the environment, affecting ERP systems, document management applications, email service, website, and exposing Documents and files encrypted.

In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like IT teams started rebuilding affected systems on new infrastructure using backups, and began remediation that includes Rebuilding affected systems on new infrastructure, while recovery efforts such as Using existing backups continue, and stakeholders are being briefed through Public disclosure of incident details.

The case underscores how Ongoing.

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 (80%), supported by evidence indicating internet-exposed services as attack vector and Valid Accounts (T1078) with high confidence (90%), with evidence including compromised credentials as attack vector, and gentlemen ransomware known for exploiting compromised credentials. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating ransomware attack encrypting files with .7mtzhh extension. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (100%), supported by evidence indicating encrypted files, data encryption such as Yes (.7mtzhh file extension) and Defacement: Internal Defacement (T1491.001) with moderate to high confidence (80%), supported by evidence indicating website listed as affected system. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), supported by evidence indicating data exfiltration such as Under assessment. Under the Credential Access tactic, the analysis identified Brute Force: Password Guessing (T1110.001) with moderate to high confidence (70%), supported by evidence indicating compromised credentials as attack vector. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating ransomware strain appends .7mtzhh extension to encrypted files. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Exploit Public-Facing Application (80%)
Valid Accounts (90%)
Execution
User Execution: Malicious File (70%)
Impact
Data Encrypted for Impact (100%)
Defacement: Internal Defacement (80%)
Exfiltration
Exfiltration Over C2 Channel (60%)
Credential Access
Brute Force: Password Guessing (70%)
Defense Evasion
Obfuscated Files or Information (70%)

Sources & References