Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKLM\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run] 'qruzcretsdihcvo' = '<SYSTEM32>\srv973.exe'
Sets the following service settings
- [HKLM\SYSTEM\CurrentControlSet\Services\puxgtsvoxlSv\Parameters] 'ServiceDll' = '<SYSTEM32>\svcpuxgtsv.dll'
- [HKLM\SYSTEM\CurrentControlSet\Services\puxgtsvoxlSv] 'Start' = '00000002'
- [HKLM\SYSTEM\CurrentControlSet\Services\puxgtsvoxlSv] 'ImagePath' = '<SYSTEM32>\svchost.exe -k DcomSec'
Creates the following services
- 'puxgtsvoxlSv' <SYSTEM32>\svchost.exe -k DcomSec
Malicious functions
Patches code
in dll
- lbur.exe process, topklyncn.dll module
- lbur.exe process, hybojwfif.dll module
- svchost.exe process, rwrgjctcl.dll module
Modifies file system
Creates the following files
- C:\logbot.txt
- %TEMP%\lis63cb.tmp
- %WINDIR%\syswow64\srv973.exe
- %WINDIR%\syswow64\svcpuxgtsv.dll
Miscellaneous
Executes the following
- '%WINDIR%\syswow64\svchost.exe' -k DcomSec -s puxgtsvoxlSv
