Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Essentials' = '%APPDATA%\winlogon.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Essentials' = '%APPDATA%\winlogon.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Essentials' = '%APPDATA%\services.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\DFGDFJJJJDFJDFJGFDJTURTURUTJJF\DFG-2352-26235-2322322-624621221-2622255\explorer.exe
- <Drive name for removable media>:\DFGDFJJJJDFJDFJGFDJTURTURUTJJF\DFG-2352-26235-2322322-624621221-2622255\Desktop.ini
Malicious functions:
Creates and executes the following:
- %APPDATA%\services.exe
Executes the following:
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Microsoft Essentials" /t REG_SZ /d "%APPDATA%\services.exe" /f
- <SYSTEM32>\cmd.exe /c """%TEMP%\lEDTp.bat"" "
Modifies file system :
Creates the following files:
- %APPDATA%\services.exe
- %APPDATA%\winlogon.exe
- %APPDATA%\services.txt
- %TEMP%\lEDTp.txt
- %TEMP%\lEDTp.bat
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\DFGDFJJJJDFJDFJGFDJTURTURUTJJF\DFG-2352-26235-2322322-624621221-2622255\explorer.exe
- %APPDATA%\winlogon.exe
- %APPDATA%\services.exe
Deletes the following files:
- %APPDATA%\services.txt
- %TEMP%\lEDTp.bat
- %TEMP%\lEDTp.txt
Network activity:
Connects to:
- 'ir#.###pigs-online.com':6969
UDP:
- DNS ASK ir#.###pigs-online.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
