Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Search Helper' = '%APPDATA%\Microsoft\Search\SearchHelper.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Intel GPU' = '%ProgramFiles%\Intel GPU\GfxUI.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\ShareIt Service.exe
Creates the following files on removable media:
- <Drive name for removable media>:\WinRAR.exe
Malicious functions:
Creates and executes the following:
- '%TEMP%\WER9mso.dir00\cUcpGnmZ.exe' (downloaded from the Internet)
- '%TEMP%\WER9mso.dir00\ObSGfiai.exe' (downloaded from the Internet)
- '%TEMP%\WER9mso.dir00\AljrlZVV.exe' (downloaded from the Internet)
- '%TEMP%\WER9mso.dir00\lxdOMogm.exe' (downloaded from the Internet)
Executes the following:
- '%TEMP%\WER9mso.dir00\lxdOMogm.exe'
- '%TEMP%\WER9mso.dir00\cUcpGnmZ.exe'
- '%TEMP%\WER9mso.dir00\ObSGfiai.exe'
- '%TEMP%\WER9mso.dir00\AljrlZVV.exe'
- '%APPDATA%\Microsoft\Search\SearchHelper.exe'
- '%TEMP%\WER9mso.dir00\com3.exe'
- '<SYSTEM32>\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /t REG_SZ /v "Intel GPU" /d "%ProgramFiles%\Intel GPU\GfxUI.exe"
Modifies file system:
Creates the following files:
- %TEMP%\WER9mso.dir00\lxdOMogm.exe
- %TEMP%\WER9mso.dir00\AljrlZVV.exe
- %TEMP%\WER9mso.dir00\ObSGfiai.exe
- %TEMP%\WER9mso.dir00\cUcpGnmZ.exe
- %APPDATA%\Microsoft\Search\SearchHelper.exe
- %APPDATA%\Microsoft\persist.dat
- %ProgramFiles%\Intel GPU\GfxUI.exe
- %TEMP%\WER9mso.dir00\com3.exe
Network activity:
Connects to:
- 'ba#####upport.comxa.com':80
- 'qu###s.hol.es':80
- 'qu###.comuf.com':80
- 'su#####backup.esy.es':80
- 'su######ervice.netai.net':80
- 'ba#####upport.esy.es':80
TCP:
HTTP GET requests:
- http://qu###.comuf.com/c13/dwn13.dmp
- http://qu###s.hol.es/c13/dwn13.dmp
- http://ba#####upport.esy.es/z/dwn13.dmp
- http://ba#####upport.comxa.com/z/dwn13.dmp
- http://su######ervice.netai.net/c/c13.php?m=############
- http://su#####backup.esy.es/c/c13.php?m=############
- http://ba#####upport.comxa.com/z/c13.php?m=############
- http://ba#####upport.esy.es/z/c13.php?m=############
UDP:
- DNS ASK ba#####upport.comxa.com
- DNS ASK qu###s.hol.es
- DNS ASK qu###.comuf.com
- DNS ASK su#####backup.esy.es
- DNS ASK su######ervice.netai.net
- DNS ASK ba#####upport.esy.es
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
