Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,%HOMEPATH%\My Documents\MSDCSC\Systema.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Systema' = '%HOMEPATH%\My Documents\MSDCSC\Systema.exe'
Malicious functions:
Creates and executes the following:
- '%HOMEPATH%\My Documents\MSDCSC\Systema.exe'
Executes the following:
- '<SYSTEM32>\attrib.exe' "%TEMP%\svhost.exe" +s +h
- '<SYSTEM32>\notepad.exe'
- '%TEMP%\FolderN\name.exe'
- '<SYSTEM32>\attrib.exe' "%HOMEPATH%\Local Settings\Temp" +s +h
- '<SYSTEM32>\cmd.exe' /k attrib "%HOMEPATH%\Local Settings\Temp" +s +h
- '%TEMP%\svhost.exe'
- '%TEMP%\File.exe'
- '<SYSTEM32>\cmd.exe' /k attrib "%TEMP%\svhost.exe" +s +h
- '%TEMP%\IDM_Setup_Temp\IDM1.tmp' -d "%TEMP%\IDM_Setup_Temp\"
Injects code into
the following system processes:
- <SYSTEM32>\notepad.exe
Modifies file system:
Creates the following files:
- %TEMP%\IDM_Setup_Temp\IDM78.tmp
- %TEMP%\IDM_Setup_Temp\IDM79.tmp
- %TEMP%\IDM_Setup_Temp\IDM80.tmp
- %TEMP%\IDM_Setup_Temp\IDM77.tmp
- %TEMP%\IDM_Setup_Temp\IDM74.tmp
- %TEMP%\IDM_Setup_Temp\IDM75.tmp
- %TEMP%\IDM_Setup_Temp\IDM76.tmp
- %TEMP%\IDM_Setup_Temp\IDM81.tmp
- %TEMP%\IDM_Setup_Temp\IDM86.tmp
- %TEMP%\IDM_Setup_Temp\IDM87.tmp
- %TEMP%\IDM_Setup_Temp\IDM88.tmp
- %TEMP%\IDM_Setup_Temp\IDM85.tmp
- %TEMP%\IDM_Setup_Temp\IDM82.tmp
- %TEMP%\IDM_Setup_Temp\IDM83.tmp
- %TEMP%\IDM_Setup_Temp\IDM84.tmp
- %TEMP%\IDM_Setup_Temp\IDM63.tmp
- %TEMP%\IDM_Setup_Temp\IDM64.tmp
- %TEMP%\IDM_Setup_Temp\IDM65.tmp
- %TEMP%\IDM_Setup_Temp\IDM62.tmp
- %TEMP%\IDM_Setup_Temp\IDM59.tmp
- %TEMP%\IDM_Setup_Temp\IDM60.tmp
- %TEMP%\IDM_Setup_Temp\IDM61.tmp
- %TEMP%\IDM_Setup_Temp\IDM66.tmp
- %TEMP%\IDM_Setup_Temp\IDM71.tmp
- %TEMP%\IDM_Setup_Temp\IDM72.tmp
- %TEMP%\IDM_Setup_Temp\IDM73.tmp
- %TEMP%\IDM_Setup_Temp\IDM70.tmp
- %TEMP%\IDM_Setup_Temp\IDM67.tmp
- %TEMP%\IDM_Setup_Temp\IDM68.tmp
- %TEMP%\IDM_Setup_Temp\IDM69.tmp
- %TEMP%\IDM_Setup_Temp\IDM89.tmp
- %TEMP%\IDM_Setup_Temp\IDM108.tmp
- %TEMP%\IDM_Setup_Temp\IDM109.tmp
- %TEMP%\IDM_Setup_Temp\IDM110.tmp
- %TEMP%\IDM_Setup_Temp\IDM107.tmp
- %TEMP%\IDM_Setup_Temp\IDM104.tmp
- %TEMP%\IDM_Setup_Temp\IDM105.tmp
- %TEMP%\IDM_Setup_Temp\IDM106.tmp
- %TEMP%\IDM_Setup_Temp\IDM111.tmp
- %TEMP%\IDM_Setup_Temp\IDM116.tmp
- %TEMP%\FolderN\name.exe
- %TEMP%\FolderN\melt.bat
- %TEMP%\IDM_Setup_Temp\IDM115.tmp
- %TEMP%\IDM_Setup_Temp\IDM112.tmp
- %TEMP%\IDM_Setup_Temp\IDM113.tmp
- %TEMP%\IDM_Setup_Temp\IDM114.tmp
- %HOMEPATH%\My Documents\MSDCSC\Systema.exe
- %TEMP%\IDM_Setup_Temp\IDM94.tmp
- %TEMP%\IDM_Setup_Temp\IDM95.tmp
- %TEMP%\IDM_Setup_Temp\IDM93.tmp
- %TEMP%\IDM_Setup_Temp\IDM90.tmp
- %TEMP%\IDM_Setup_Temp\IDM91.tmp
- %TEMP%\IDM_Setup_Temp\IDM92.tmp
- %TEMP%\IDM_Setup_Temp\IDM96.tmp
- %TEMP%\IDM_Setup_Temp\IDM101.tmp
- %TEMP%\IDM_Setup_Temp\IDM102.tmp
- %TEMP%\IDM_Setup_Temp\IDM103.tmp
- %TEMP%\IDM_Setup_Temp\IDM100.tmp
- %TEMP%\IDM_Setup_Temp\IDM97.tmp
- %TEMP%\IDM_Setup_Temp\IDM98.tmp
- %TEMP%\IDM_Setup_Temp\IDM99.tmp
- %TEMP%\IDM_Setup_Temp\IDM17.tmp
- %TEMP%\IDM_Setup_Temp\IDM18.tmp
- %TEMP%\IDM_Setup_Temp\IDM19.tmp
- %TEMP%\IDM_Setup_Temp\IDM16.tmp
- %TEMP%\IDM_Setup_Temp\IDM13.tmp
- %TEMP%\IDM_Setup_Temp\IDM14.tmp
- %TEMP%\IDM_Setup_Temp\IDM15.tmp
- %TEMP%\IDM_Setup_Temp\IDM20.tmp
- %TEMP%\IDM_Setup_Temp\IDM25.tmp
- %TEMP%\IDM_Setup_Temp\IDM26.tmp
- %TEMP%\IDM_Setup_Temp\IDM27.tmp
- %TEMP%\IDM_Setup_Temp\IDM24.tmp
- %TEMP%\IDM_Setup_Temp\IDM21.tmp
- %TEMP%\IDM_Setup_Temp\IDM22.tmp
- %TEMP%\IDM_Setup_Temp\IDM23.tmp
- %TEMP%\IDM_Setup_Temp\IDM2.tmp
- %TEMP%\IDM_Setup_Temp\IDM3.tmp
- %TEMP%\IDM_Setup_Temp\IDM4.tmp
- %TEMP%\IDM_Setup_Temp\IDM1.tmp
- %TEMP%\File.exe
- %TEMP%\svhost.exe
- %TEMP%\IDM_Setup_Temp\IDM0.tmp
- %TEMP%\IDM_Setup_Temp\IDM5.tmp
- %TEMP%\IDM_Setup_Temp\IDM10.tmp
- %TEMP%\IDM_Setup_Temp\IDM11.tmp
- %TEMP%\IDM_Setup_Temp\IDM12.tmp
- %TEMP%\IDM_Setup_Temp\IDM9.tmp
- %TEMP%\IDM_Setup_Temp\IDM6.tmp
- %TEMP%\IDM_Setup_Temp\IDM7.tmp
- %TEMP%\IDM_Setup_Temp\IDM8.tmp
- %TEMP%\IDM_Setup_Temp\IDM28.tmp
- %TEMP%\IDM_Setup_Temp\IDM48.tmp
- %TEMP%\IDM_Setup_Temp\IDM49.tmp
- %TEMP%\IDM_Setup_Temp\IDM50.tmp
- %TEMP%\IDM_Setup_Temp\IDM47.tmp
- %TEMP%\IDM_Setup_Temp\IDM44.tmp
- %TEMP%\IDM_Setup_Temp\IDM45.tmp
- %TEMP%\IDM_Setup_Temp\IDM46.tmp
- %TEMP%\IDM_Setup_Temp\IDM51.tmp
- %TEMP%\IDM_Setup_Temp\IDM56.tmp
- %TEMP%\IDM_Setup_Temp\IDM57.tmp
- %TEMP%\IDM_Setup_Temp\IDM58.tmp
- %TEMP%\IDM_Setup_Temp\IDM55.tmp
- %TEMP%\IDM_Setup_Temp\IDM52.tmp
- %TEMP%\IDM_Setup_Temp\IDM53.tmp
- %TEMP%\IDM_Setup_Temp\IDM54.tmp
- %TEMP%\IDM_Setup_Temp\IDM33.tmp
- %TEMP%\IDM_Setup_Temp\IDM34.tmp
- %TEMP%\IDM_Setup_Temp\IDM35.tmp
- %TEMP%\IDM_Setup_Temp\IDM32.tmp
- %TEMP%\IDM_Setup_Temp\IDM29.tmp
- %TEMP%\IDM_Setup_Temp\IDM30.tmp
- %TEMP%\IDM_Setup_Temp\IDM31.tmp
- %TEMP%\IDM_Setup_Temp\IDM36.tmp
- %TEMP%\IDM_Setup_Temp\IDM41.tmp
- %TEMP%\IDM_Setup_Temp\IDM42.tmp
- %TEMP%\IDM_Setup_Temp\IDM43.tmp
- %TEMP%\IDM_Setup_Temp\IDM40.tmp
- %TEMP%\IDM_Setup_Temp\IDM37.tmp
- %TEMP%\IDM_Setup_Temp\IDM38.tmp
- %TEMP%\IDM_Setup_Temp\IDM39.tmp
Sets the 'hidden' attribute to the following files:
- %TEMP%\FolderN\name.exe
- <Full path to file>
Deletes the following files:
- %TEMP%\svhost.exe
Deletes itself.
Network activity:
Connects to:
- 'st####wz.mooo.com':6900
UDP:
- DNS ASK st####wz.mooo.com
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: ''
- ClassName: 'SysListView32' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '#32770' WindowName: 'Internet Download Manager Installation Wizard'
