Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\software\microsoft\windows\currentversion\run] 'MCgUgwUU.exe' = '%HOMEPATH%\AkkkEggU\MCgUgwUU.exe'
- [<HKLM>\software\Wow6432Node\microsoft\windows\currentversion\run] 'QAQskQkA.exe' = '%PROGRAMDATA%\gIsEEgME\QAQskQkA.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%PROGRAMDATA%\gIsEEgME\QAQskQkA.exe,'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = 'userinit.exe,%PROGRAMDATA%\gIsEEgME\QAQskQkA.exe,'
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\cEQQMkku] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\cEQQMkku] 'ImagePath' = '%PROGRAMDATA%\ryQQMggo\tQIMAsMI.exe'
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks the following features:
- User Account Control (UAC)
Modifies file system
Creates the following files
- <PATH_SAMPLE>hbyz
- %HOMEPATH%\akkkeggu\mcgugwuu
- %PROGRAMDATA%\giseegme\qaqskqka
- %HOMEPATH%\akkkeggu\mcgugwuu.exe
- %PROGRAMDATA%\giseegme\qaqskqka.exe
- %PROGRAMDATA%\ryqqmggo\tqimasmi.exe
- %PROGRAMDATA%\ryqqmggo\tqimasmizksw
- %HOMEPATH%\akkkeggu\mcgugwuuaaaa
- %PROGRAMDATA%\giseegme\qaqskqkakfan
- %WINDIR%\syswow64\config\systemprofile\akkkeggu\mcgugwuu
- %TEMP%\myqkyaga.bat
- <PATH_SAMPLE>
- %PROGRAMDATA%\xyse.txt
- %TEMP%\uyysmqss.bat
- %TEMP%\zkioeiea.bat
- %TEMP%\nsukgmua.bat
Deletes the following files
- <PATH_SAMPLE>hbyz
- %PROGRAMDATA%\ryqqmggo\tqimasmizksw
- %HOMEPATH%\akkkeggu\mcgugwuuaaaa
- %PROGRAMDATA%\giseegme\qaqskqkakfan
- %TEMP%\myqkyaga.bat
- %TEMP%\uyysmqss.bat
- %TEMP%\zkioeiea.bat
- %TEMP%\nsukgmua.bat
Substitutes the following files
- <PATH_SAMPLE>hbyz
Network activity
UDP
- DNS ASK google.com
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: 'QAQskQkA.exe'
- ClassName: '' WindowName: 'Microsoft Windows'
- ClassName: '' WindowName: 'MCgUgwUU.exe'
Creates and executes the following
- '%HOMEPATH%\akkkeggu\mcgugwuu.exe'
- '%PROGRAMDATA%\giseegme\qaqskqka.exe'
- '%PROGRAMDATA%\ryqqmggo\tqimasmi.exe'
- '%WINDIR%\syswow64\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c "<PATH_SAMPLE>"
- '%WINDIR%\syswow64\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1
- '%WINDIR%\syswow64\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2
- '%WINDIR%\syswow64\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
- '<SYSTEM32>\vssvc.exe'
- '<SYSTEM32>\svchost.exe' -k swprv
