Wednesday, April 24, 2024

Rubella Macro Builder – A Malware Development Crimeware Kit Selling in Underground Hacking Forum

A Malware development crimeware kit called Rubella Macro Builder activity selling in Russian based underground hacking Forum for $500 per month.

This kit has extremely sophisticated with a lot more capabilities with cheap cost with fast performance and also evade the antivirus detection.

A Malware kit developers also reduce the price since April to $120 USD for a 3-month license and Rubella Macro Builder activities getting various updates, additions, and pricing changes in hacking Forum.

This tool enables to use various social engineering techniques to distribute the malware through office document and enable the macro.

Also, this crimeware kit using various encryption algorithm choices ( XOR and Base64), download methods (PowerShell, Bitsadmin, Microsoft.XMLHTTP, MSXML2.XMLHTTP, custom PowerShell payload), payload execution methods (executable, JavaScript, Visual Basic Script)
Rubella Macro Builder settings

Malware Builder Capabilities in Hacking Forum

Office document and Excel-based Email attachment is the main medium of distribution  Rubella-generated malware act as a first-stage loader and it helps to download other malware and install into the target machine.

After the infection, if it doesn’t find any vulnerabilities in the vicitms machine, it relies on social engineering techniques to force victims to enable malicious macro execution to run it.

Also Rubella Macro Builder capable to generate Microsoft Word (.DOC) and Microsoft Excel (.XLS) payloads.

Rubella document imitates a DPD shipping document to Enable Macro

According to flashpoint research, The observed server call request is achieved via the IXMLHTTPRequest method in this specific variant. The macro code contains auto execution when the Word document is opened via an AutoOpen call. Additionally, the code has logic to delete the file if it exists via a Kill call.

Rubella Kit Malware leads to install two banking malware called Panda and Gootkit which has a capacity to perform credential harvesting capabilities, browser infection through webinjects, and remote PC access via a hidden virtual network computing.

Researchers believe that these two banking malware developers gang are customers of the actor offering Rubella on the underground.


Latest articles

Phishing Attacks Rise By 58% As The Attackers Leverage AI Tools

AI-powered generative tools have supercharged phishing threats, so even newbie attackers can effortlessly create...

Multiple MySQL2 Flaw Let Attackers Arbitrary Code Remotely

The widely used MySQL2 has been discovered to have three critical vulnerabilities: remote Code...

CoralRaider Hacker Evade Antivirus Detections Using Malicious LNK File

This campaign is observed to be targeting multiple countries, including the U.S., Nigeria, Germany,...

Spyroid RAT Attacking Android Users to Steal Confidential Data

A new type of Remote Access Trojan (RAT) named Spyroid has been identified.This...

Researchers Uncover that UK.GOV Websites Sending Data to Chinese Ad Vendor Analysts

Analysts from Silent Push, a data analytics firm, have uncovered several UK government websites...

Ransomware Victims Who Opt To Pay Ransom Hits Record Low

Law enforcement operations disrupted BlackCat and LockBit RaaS operations, including sanctions on LockBit members...

IBM Nearing Talks to Acquire Cloud-software Provider HashiCorp

IBM is reportedly close to finalizing negotiations to acquire HashiCorp, a prominent cloud infrastructure...
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.


Mastering WAAP/WAF ROI Analysis

As the importance of compliance and safeguarding critical websites and APIs grows, Web Application and API Protection (WAAP) solutions play an integral role.
Key takeaways include:

  • Pricing models
  • Cost Estimation
  • ROI Calculation

Related Articles