Multifaceted MATA Malware Framework Linked to North Korea

Joseph B. Hash

Add to favorites “Used to aggressively infiltrate company entities all around the world” Russian security business Kaspersky suggests it has identified a novel new multi-system malware framework showcasing a rich array of loaders, orchestrators and plugins that is equipped to target Home windows, Linux and macOS working units. Dubbing it […]

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“Used to aggressively infiltrate company entities all around the world”

Russian security business Kaspersky suggests it has identified a novel new multi-system malware framework showcasing a rich array of loaders, orchestrators and plugins that is equipped to target Home windows, Linux and macOS working units.

Dubbing it “MATA”, Kasperky linked it (arguably to some degree tenuously) to the North Korean Lazarus APT. (MATA “uses two one of a kind filenames, c_2910.cls and k_3872.cls” talked about in the US-CERT publication on North Korean risk actors).

Worryingly, Kaspersky mentioned the Linux variation (“containing unique MATA information collectively with a set of hacking tools”) was uncovered on a reputable distribution web site.

Kaspersky did not identify the web site or the distro. (Pc Business enterprise Critique has contacted the firm for extra details and will update when we get them).

The bundle included a Linux device for listing folders, scripts for exploiting Atlassian Confluence Server (CVE-2019-3396), a reputable socat device and a Linux variation of the MATA orchestrator bundled collectively with a set of plugins. (China-primarily based security vendor Netlab has also released a comprehensive weblog on this malware.)

The orchestrator malware loads encrypted configuration details from a registry critical and decrypts it with the AES algorithm, Kaspersky mentioned. It can then go on to load 15 plugins at the identical time. There are a few approaches to load them:

  • Down load the plugin from the specified HTTP or HTTPS server
  • Load the AES-encrypted plugin file from a specified disk route
  • Down load the plugin file from the latest MataNet relationship

“For covert conversation, they hire TLS1.2 connections with the enable of the “openssl-1.1.0f” open up resource library, which is statically linked inside this module”, Kaspersky’s scientists mentioned. “Additionally, the site visitors amongst MataNet nodes is encrypted with a random RC4 session critical. MataNet implements the two consumer and server method. In server method the certificate file “c_2910.cls” and the personal critical file “k_3872.cls” are loaded for TLS encryption.”

The initially history of the framework currently being applied goes as significantly back again as April 2018 and considering that then it has been applied to “aggressively to infiltrate company entities all around the world”, which include to steal consumer lists and distribute ransomware.

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Kacey Clark, risk researcher at cyber security firm Digital Shadows, instructed Pc Business enterprise Critique: “To day, reporting implies that MATA has actively been applied to target victims in different sectors, these types of as e-commerce and technologies, across Germany, India, Japan, Korea, Turkey, and Poland.”

 

Multi-Platform Malware Framework
Pic @ Kaspersky Labs

 

“Researchers have proposed that the one-way links to Lazarus are due to the discovery of two one of a kind filenames in MATA that have only beforehand been found in malware linked with Lazarus. The one-way links amongst Lazarus and MATA are tentative at this stage.”

VHD Ransomware

Kaspersky mentioned it also uncovered proof in some MATA attacks of a especially horrible ransomware named VHD ransomware.

Not only does this encrypt all details on the Computer with the strongest encryption method, it removes all shadow copies of information and process restore points, to reduce the consumer from recovering anything at all on their own, and adjustments the file extension to .vhd, which helps make the information forever inoperative.

Indicators of Compromise can be uncovered listed here. 

 

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