Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Yuruqwlt' = '<SYSTEM32>\dcndowxn.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Wsrmkqac] 'ImagePath' = '<SYSTEM32>\dcndowxn.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\Wsrmkqac] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Executes the following:
- '%WINDIR%\Temp\SOEX32UGA.EXE' -r 27052 tcp
- '<SYSTEM32>\dcndowxn.exe'
Modifies file system:
Creates the following files:
- <SYSTEM32>\86114552\cfg
- %WINDIR%\Temp\SOEX32UGA.EXE
- <SYSTEM32>\86114552\tst
- <SYSTEM32>\dcndowxn.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\dcndowxn.exe
Deletes the following files:
- %WINDIR%\Temp\SOEX32UGA.EXE
Network activity:
Connects to:
- 'wa####lukowski.com':80
TCP:
HTTP GET requests:
- http://wa####lukowski.com/isup.php
UDP:
- DNS ASK wa####lukowski.com
- '23#.#55.255.250':1900
