Kaspersky Lab Discovers "miniFlame," a New Malicious Program Designed for Highly Targeted Cyber Espionage Operations

ABINGDON, England, October 15, 2012 /PRNewswire/ --

Kaspersky Lab has today announced the discovery of miniFlame, a small and highly flexible malicious program designed to steal data and control infected systems during targeted cyber espionage operations.  

miniFlame, also known as SPE, was  found by Kaspersky Lab's experts in July 2012, and was originally identified as a Flame module. However, in September 2012, Kaspersky Lab's research team conducted an in-depth analysis of Flame's command & control servers (C&C) and found that the miniFlame module was actually an interoperable tool that could be used as an independent malicious program, or concurrently as a plug-in for both the Flame and Gauss malware.  

Analysis of miniFlame showed there were several versions created between 2010 and 2011, with some variants still being active in the wild. The analysis also revealed new evidence of the co-operation between the creators of Flame and Gauss, with both malicious programs able to use miniFlame as a 'plug-in' for their operations.

Main findings:

• miniFlame, also known as SPE, is based on the same architectural platform as Flame. It can function as its own independent cyber espionage program or as a component inside both Flame and Gauss.
• The cyber espionage tool operates as a backdoor designed for data theft and direct access to infected systems.
• Development of miniFlame might have started as early as 2007 and continued until the end of 2011. Many variations are presumed to be created. To date, Kaspersky Lab has identified six of these variants, covering two major generations: 4.x and 5.x.
• Unlike Flame or Gauss, which had high number of infections, the amount of infections for miniFlame is much smaller. According to Kaspersky Lab's data, the number of infections is between 10-20 machines. The total number of infections worldwide is estimated at 50-60.
• The number of infections combined with miniFlame's info-stealing features and flexible design indicate it was used for extremely targeted cyber-espionage operations, and was most likely deployed inside machines that were already infected by Flame or Gauss.  

Discovery

The discovery of miniFlame occurred during the in-depth analysis of the Flame and Gauss malware. In July 2012 Kaspersky Lab's experts identified an additional module of Gauss, codenamed "John" and found references to the same module in Flame's configuration files. The subsequent analysis of Flame's command and control servers, conducted in September 2012, helped to reveal that the newly discovered module was in fact a separate malicious program, although it can be used as a 'plug-in' by both Gauss and Flame. miniFlame was codenamed SPE in the code of Flame's original C&C servers.

Kaspersky Lab discovered six different variations of miniFlame, all dating back to 2010-2011. At the same time, the analysis of miniFlame points to an even earlier date when development of the malware was commenced - not later than 2007. miniFlame's ability to be used as a plug-in by either Flame or Gauss clearly connects the collaboration between the development teams of both Flame and Gauss. Since the connection between Flame and Stuxnet/Duqu has already been revealed, it can be concluded that all these advanced threats come from the same "cyber warfare" factory.

Functionality

The original infection vector of miniFlame is yet to be determined. Given the confirmed relationship between miniFlame, Flame, and Gauss, miniFlame may be installed on machines already infected by Flame or Gauss. Once installed, miniFlame operates as a backdoor and enables the malware operators to obtain any file from an infected machine. Additional info-stealing capabilities include making screenshots of an infected computer while it's running a specific program or application in such as a web browser, Microsoft Office program, Adobe Reader, instant messenger service, or an FTP client. miniFlame uploads the stolen data by connecting to its C&C server (which may be unique, or 'shared' with Flame's C&Cs). Separately, at the request from miniFlame's C&C operator, an additional data-stealing module can be sent to an infected system, which infects USB drives and uses them to store data that's collected from infected machines without an internet connection.

Alexander Gostev, Chief Security Expert, Kaspersky Lab, commented: "miniFlame is a high precision attack tool. Most likely it is a targeted cyberweapon used in what can be defined as the second wave of a cyberattack. First, Flame or Gauss are used to infect as many victims as possible to collect large quantities of information. After data is collected and reviewed, a potentially interesting victim is defined and identified, and miniFlame is installed in order to conduct more in-depth surveillance and cyber-espionage. The discovery of miniFlame also gives us additional evidence of the cooperation between the creators of the most notable malicious programs used for cyber warfare operations: Stuxnet, Duqu, Flame and Gauss."

Kaspersky Lab would like to thank CERT-Bund/BSI for their kind assistance with this investigation.

Additional details about miniFlame can be found in the blog post at Securelist.com: http://www.securelist.com/en/blog/763/miniFlame_aka_SPE_Elvis_and_his_friends

The full report on miniFlame can be found following this link: http://www.securelist.com/en/analysis/204792247/miniFlame_aka_SPE_Elvis_and_his_friends

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About Kaspersky Lab

Kaspersky Lab is the world's largest privately held vendor of endpoint protection solutions. The company is ranked among the world's top four vendors of security solutions for endpoint users*. Throughout its 15-year history Kaspersky Lab has remained an innovator in IT security and provides effective digital security solutions for consumers, SMBs and Enterprises. The company currently operates in almost 200 countries across the globe, providing protection for over 300 million users worldwide. Learn more at http://www.kaspersky.co.uk. For the latest on antivirus, anti-spyware, anti-spam and other IT security issues and trends, visit: http://www.securelist.com/.

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