Cognizant Suffers Maze Ransomware Cyber Attack

Data breach

IT Services giant Cognizant suffered a cyber attack on Friday night reportedly by Maze Ransomware operators, with over 300,000 employees and over $15 billion in sales, Cognizant is the world’s largest IT-managed services firm.

Cognizant manages its customers on a remote basis through end-clients or agents installed on workstations, to move updates, upgrade software and provide remote support services.

On Friday, Cognizant sent an e-mail to its customers announcing their vulnerability and offering a ‘preliminary list of vulnerability indicators found through our survey,’ which will then be used by customers to track and further protect their systems.

The identified IOCs included IP addresses of the kepstl32.dll, memes.tmp, and maze.dll server and file hackers. Such IP addresses and files are known to be used by Maze ransomware actors during previous attacks.

There was also a hash for a new unnamed file, but no more details.

Vitali Kremez has published a Yara rule that can be used to detect Maze Ransomware DLL on security study.

If the Maze operators have been approached for this attack, they refuse to be responsible.

During the past, Maze was unable to address attacks or victims until the talks ended. Because this assault is very new, Maze probably won’t discuss it to prevent repercussions about what he hopes could be a ransom payment.

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Upon reporting on this assault, Cognizant posted on their website a statement stating that Maze Ransomware was the cyber attack. If the Maze operators carried out this assault, then they were possibly present in the Cognizant network for weeks, if not longer.

As company-targeting ransomware operators breach a network, they spread gradually and steadily through the entire system while stealing data and stealing credentials.

After the attackers obtain the administrative credentials on the network, they use tools like PowerShell Empire to deploy the ransomware.

The Maze operators often steal unencrypted files by using ransomware by encrypting them.

Instead, these files are used to make the victim pay the ransom because Maze threatens to reveal details if a victim doesn’t pay.

Those aren’t frivolous threats because Maze created a “News site,” which is used to publish stolen data from non-paying victims. If Maze wasn’t behind the attack because they claim, the odds are the data is taken as it has become a common technique used by ransomware operators.

If the Maze operators have been approached for this attack, they refuse to be responsible.

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During the past, Maze was unable to address attacks or victims until the talks ended. Because this assault is very new, Maze probably won’t discuss it to prevent repercussions about what he hopes could be a ransom payment.

chubb-maze
Credit: Bleeping Computer

Upon disclosing this attack, Cognizant released a statement on its website stating that Maze Ransomware was involved in this cyber attack:

Cognizant can confirm that a security incident involving our internal systems, and causing service disruptions for some of our clients, is the result of a Maze ransomware attack.

Our internal security teams, supplemented by leading cyber defense firms, are actively taking steps to contain this incident.  Cognizant has also engaged with the appropriate law enforcement authorities.

We are in ongoing communication with our clients and have provided them with Indicators of Compromise (IOCs) and other technical information of a defensive nature.

The Maze operators often steal unencrypted files by using ransomware by encrypting them.

Instead, these files are used to make the victim pay the ransom because Maze threatens to reveal details if a victim doesn’t pay.

Those are not empty attacks, because Maze has developed a “news” platform which is used to publish the robbed data of non-paying victims. If Maze hasn’t been behind the attack because they say there is still a fair chance that information has been stolen, as it has become a common technique used by ransomware operators.

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Currently Supplied by Spelevo Attack Kit Maze Ransomware
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