Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'f58884b6c6863130bc558a77fe610b23' = '"%TEMP%\systéme.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'f58884b6c6863130bc558a77fe610b23' = '"%TEMP%\systéme.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\f58884b6c6863130bc558a77fe610b23.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\systeme.exe' = '%TEMP%\systéme.exe:*:Enabled:systéme.exe'
Creates and executes the following:
- '%TEMP%\systeme.exe'
- 'C:\Extracted\serveur23.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\systeme.exe" "systeme.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen C:\Extracted\300x250_5.jpg
Modifies file system :
Creates the following files:
- %TEMP%\systeme.exe
- %HOMEPATH%\Recent\300x250_5.lnk
- %HOMEPATH%\Recent\Extracted.lnk
- %TEMP%\sfx.ini
- C:\Extracted\300x250_5.jpg
- C:\Extracted\serveur23.exe
Deletes the following files:
- %TEMP%\sfx.ini
Network activity:
Connects to:
- 'fr#####orever.no-ip.biz':1177
UDP:
- DNS ASK fr#####orever.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
