Incident Score: Analysis & Impact (MAL1768834644)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Malwarebytes's Cyber Attack 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 Malwarebytes 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 Malwarebytes breach identified under incident ID MAL1768834644.
The analysis begins with a detailed overview of Malwarebytes's information like the linkedin page: https://www.linkedin.com/company/malwarebytes, the number of followers: 54673, the industry type: Computer and Network Security and the number of employees: 618 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 618 and after the incident was 598 with a difference of -20 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 Malwarebytes and their customers.
On 15 January 2026, Malwarebytes (impersonated) disclosed Malware Campaign issues under the banner "Malware Campaign Impersonates Malwarebytes in DLL Sideloading Attack".
Between January 11 and 15, 2026, security researchers uncovered an active malware campaign in which attackers posed as Malwarebytes, a legitimate cybersecurity firm, to distribute malicious files.
The disruption is felt across the environment, and exposing Login credentials, passwords, cryptocurrency wallet browser extensions, personal financial data.
Formal response steps have not been shared publicly yet.
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 Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (80%), supported by evidence indicating victims unknowingly downloaded fake ZIP archives mimicking Malwarebytes software and User Execution: Malicious File (T1204.002) with high confidence (90%), supported by evidence indicating fake ZIP archives...containing a legitimate executable and a malicious CoreMessaging.dll. Under the Execution tactic, the analysis identified Hijack Execution Flow: DLL Side-Loading (T1574.002) with high confidence (95%), supported by evidence indicating dLL sideloading...exploits Windows’ automatic DLL loading to execute hidden malware and User Execution: Malicious File (T1204.002) with high confidence (90%), supported by evidence indicating when executed, the legitimate program loaded the malicious DLL. Under the Defense Evasion tactic, the analysis identified Hijack Execution Flow: DLL Side-Loading (T1574.002) with high confidence (90%), supported by evidence indicating malicious CoreMessaging.dll...executed alongside legitimate software and Masquerading: Match Legitimate Name or Location (T1036.005) with high confidence (95%), supported by evidence indicating attackers posed as Malwarebytes...fake ZIP archives mimicking Malwarebytes software. Under the Credential Access tactic, the analysis identified OS Credential Dumping: LSASS Memory (T1003.001) with moderate to high confidence (70%), supported by evidence indicating infostealers...targeting login credentials and passwords and Credentials from Password Stores: Credentials from Web Browsers (T1555.003) with moderate to high confidence (80%), supported by evidence indicating targeting cryptocurrency wallet browser extensions. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (85%), supported by evidence indicating infostealers...targeting personal financial data and Automated Collection (T1119) with moderate to high confidence (70%), supported by evidence indicating infostealers as secondary payloads. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating data_breach.data exfiltration such as Yes. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Malwarebytes Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/malwarebytes/incident/MAL1768834644
- Malwarebytes CyberSecurity Rating page: https://www.rankiteo.com/company/malwarebytes
- Malwarebytes Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/mal1768834644-malwarebytes-cyber-attack-january-2026/
- Malwarebytes CyberSecurity Score History: https://www.rankiteo.com/company/malwarebytes/history
- Malwarebytes CyberSecurity Incident Source: https://cyberpress.org/malwarebytes-impersonation-login-credential-theft/
- 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