Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '577e5e12b9e77a0387ef7a94f09d0f46' = '"%TEMP%\sys.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '577e5e12b9e77a0387ef7a94f09d0f46' = '"%TEMP%\sys.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\577e5e12b9e77a0387ef7a94f09d0f46.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\sys.exe' = '%TEMP%\sys.exe:*:Enabled:sys.exe'
Creates and executes the following:
- '%TEMP%\sys.exe'
- '<LS_APPDATA>WtuqAkMvtQ.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\sys.exe" "sys.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>KWRlbtcrXc.jpeg
Modifies file system :
Creates the following files:
- %HOMEPATH%\Recent\Application DataKWRlbtcrXc.lnk
- %HOMEPATH%\Recent\Local Settings.lnk
- %TEMP%\sys.exe
- <LS_APPDATA>WtuqAkMvtQ.exe
- <LS_APPDATA>KWRlbtcrXc.jpeg
Network activity:
Connects to:
- 've#####a919.no-ip.biz':1177
UDP:
- DNS ASK ve#####a919.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
