Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'aa7bdde142a0c6ea27f70ddca8df1df9' = '"%APPDATA%\photoo.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'aa7bdde142a0c6ea27f70ddca8df1df9' = '"%APPDATA%\photoo.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\aa7bdde142a0c6ea27f70ddca8df1df9.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\photoo.exe' = '%APPDATA%\photoo.exe:*:Enabled:photoo.exe'
Creates and executes the following:
- '%APPDATA%\photoo.exe'
- '<LS_APPDATA>sMlIbJIGDd.exe'
- '<LS_APPDATA>lrRxTDWpYY.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\photoo.exe" "photoo.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>NnbBGhYMTv.jpg
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>NVlNV_EpsU.jpg
Modifies file system :
Creates the following files:
- %HOMEPATH%\Recent\Application DataNVlNV_EpsU.lnk
- %HOMEPATH%\Recent\Local Settings.lnk
- %APPDATA%\photoo.exe
- <LS_APPDATA>NnbBGhYMTv.jpg
- <LS_APPDATA>lrRxTDWpYY.exe
- <LS_APPDATA>NVlNV_EpsU.jpg
- <LS_APPDATA>sMlIbJIGDd.exe
Network activity:
Connects to:
- 'am#####nofal.no-ip.biz':999
UDP:
- DNS ASK am#####nofal.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
