Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svchost.exe' = '%APPDATA%\Microsoft\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 ""%TEMP%\IXP000.TMP\""'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\svchost.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
Modifies file system :
Creates the following files:
- %TEMP%\Da61Pen.exe
- %TEMP%\z4EHf5.jpg
- %APPDATA%\Microsoft\svchost.exe
- %TEMP%\Tb1r9P0Y.exe
- %TEMP%\IXP000.TMP\calc.exe
- %TEMP%\IXP000.TMP\BOT_RA~1.EXE
- %TEMP%\Ft1x5.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\svchost.exe
- %APPDATA%\Microsoft\svchost.exe
Network activity:
Connects to:
- 'da####t.no-ip.info':1604
- 'da####t.no-ip.info':3085
- 'localhost':1039
UDP:
- DNS ASK da####t.no-ip.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'SysListView32' WindowName: ''
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: ''
- ClassName: '#32770' WindowName: 'z4EHf5 - Windows Picture and Fax Viewer'
- ClassName: '#32770' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '#32770' WindowName: 'Bot+Rat'
