New malware in Middle East can take control of your device
The sophisticated virus can steal whatever it wants, researchers said.
A new malware called "Slingshot" has been uncovered in the MENA region which attacks and infects victims through compromised routers and can run in kernel mode, giving it complete control over victim devices.
According to a report by Kaspersky Lab, a cybersecurity and anti-virus provider, the malware has been used for cyber espionage from at least 2012 until February 2018.
Researchers say that many of the techniques used by this threat actor are unique and it is extremely effective at stealthy information gathering, hiding its traffic in marked data packets that it can intercept without a trace from everyday communications.
The Slingshot operation was discovered after researchers found a suspicious keylogger programme and created a behavioral detection signature to see if that code appeared anywhere else. This triggered a detection that turned out to be an infected computer with a suspicious file inside the system folder named scesrv.dll.
The researchers decided to investigate further.
Analysis of the file showed that despite appearing legitimate, the scesrv.dll module had malicious code embedded into it.
Since this library is loaded by 'services.exe', a process that has system privileges, the poisoned library gained the same rights. Researchers realised that a highly advanced intruder had found its way into the very core of the computer.
According to Kaspersky, the most remarkable thing about Slingshot is probably its unusual attack vector. As researchers uncovered more victims, they found that many seemed to have been initially infected through hacked routers. During these attacks, the group behind Slingshot appears to compromise the routers and place a malicious dynamic link library inside it that is in fact a downloader for other malicious components. When an administrator logs in to configure the router, the router's management software downloads and runs the malicious module on the administrator's computer. The method used to hack the routers in the first place remains unknown.
Following infection, Slingshot loads a number of modules onto the victim's device, including two huge and powerful ones: Cahnadr, and GollumApp. The two modules are connected and able to support each other in information gathering, persistence and data exfiltration.
Slingshot's main purpose seems to be cyberespionage. Analysis suggests it collects screenshots, keyboard data, network data, passwords, USB connections, other desktop activity, clipboard data and more, although its kernel access means it can steal whatever it wants.
So far, researchers have seen around 100 victims of Slingshot and its related modules, located in Kenya, Yemen, Afghanistan, Libya, Congo, Jordan, Turkey, Iraq, Sudan, Somalia and Tanzania.
Most of the victims appear to be targeted individuals rather than organizations, but there are some government organizations and institutions. Kenya and Yemen account for most of the victims observed so far.
"Slingshot is a sophisticated threat, employing a wide range of tools and techniques, including kernel mode modules that have to date only been seen in the most advanced predators. The functionality is very precious and profitable for the attackers, which could explain why it has been around for at least six years," said Alexey Shulmin, Lead Malware Analyst, Kaspersky Lab.
How to avoid this attack
In order to avoid falling victim to such an attack, Kaspersky Lab researchers recommend implementing the following measures:
* Users of Mikrotik routers should upgrade to the latest software version as soon as possible to ensure protection against known vulnerabilities. Further, Mikrotik Winbox no longer downloads anything from the router to the user's computer.
* Use a proven corporate grade security solution in combination with anti-targeted attack technologies and threat intelligence.
* Provide security staff with access to the latest threat intelligence data, which will arm them with helpful tools for targeted attack research and prevention, such as indicators of compromise (IOC), YARA and customized advanced threat reporting;
* If you spot early indicators of a targeted attack, consider managed protection services that will allow you to proactively detect advanced threats, reduce dwell time and arrange timely incident response.
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