Elise is made by the Dragon Fish and Lotus Blossom APT hacker groups which primary targets governments and defense contractors. Elise is used to infecting victims by using the latest exploits available and now is packed with exciting Sandbox evasion techniques.
Our cybersecurity team analyzed the newest version of Elise and released a report about it.
The sample investigated is spread across cyberspace using an Office document made in Rich Text Format.
The analyses started with process EQNEDT32.EXE that was started among Winword.exe which is the Microsoft Office Equation Editor. This process can be exploited with CVE-2017-11882 and CVE-2018-0802.
The shellcode embedded in this Office document renames and loads the PE file previously dropped by Word. Then it injects code into IExplorer.exe where the primary payload is executed.
Before the Elise executes the payload it performs a variety of sandbox checks in In IExplorer:
– VMware backdoor check
– Disk Name Check
– Check for various Analysis Tools
– Process Check
– Mac Address Check
If Elise pass all the sandbox an autostart key is created, this adds:
– a Proxy to Internet Explorer
– a Proxy to Firefox
After installing and running the payload, Elise can collect and upload the following data:
– CPU Usage
– Ram (size/free)
– Disk space (size/free)
– Windows Version
– List of tasks
– List of network adapters
– List of files on Desktop
Elise represents a very advanced piece of malware using for its distribution only the latest exploits. This kind of treats will be very numerous in the future, and this is why cybersecurity solution like antivirus or firewall must be installed mandatory on every device that is connected to the internet.
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Most of the companies don't care about cybersecurity until they suffer a breach.
A healthy company must perform a penetration test from time to time. The penetration test must execute against all the assets of the company, including the workers who are the most vulnerable to the social engineering attacks.
A penetration test can be done either by a security specialist from inside of the company or by hiring an external cyber security company who can take care of everything.
Besides penetration test, a company must have a minimum healthy cybersecurity system installed like antivirus or firewall.
CyberByte company can perform various penetration tests on all the spectrum of PCI/DSS compliance to the red team, perimeter testing, and social engineering.
We also provide services to employee profiling and cyber threat monitoring, since most of the data breaches this day come from the inside of the company.
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