Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '076d036e00a075fc031e5b51063d1969' = '"%TEMP%\ser1.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '076d036e00a075fc031e5b51063d1969' = '"%TEMP%\ser1.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\076d036e00a075fc031e5b51063d1969.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\ser1.exe' = '%TEMP%\ser1.exe:*:Enabled:ser1.exe'
Creates and executes the following:
- '%TEMP%\ser1.exe'
- '<LS_APPDATA>UbZTDYDvJV.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\ser1.exe" "ser1.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>gMuZobqhbd.jpg
Modifies file system :
Creates the following files:
- %HOMEPATH%\Recent\Application DatagMuZobqhbd.lnk
- %HOMEPATH%\Recent\Local Settings.lnk
- %TEMP%\ser1.exe
- <LS_APPDATA>UbZTDYDvJV.exe
- <LS_APPDATA>gMuZobqhbd.jpg
Network activity:
Connects to:
- 'ka#####chkach.no-ip.biz':1177
UDP:
- DNS ASK ka#####chkach.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
