Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'System' = 'kdoem.exe'
Malicious functions:
Creates and executes the following:
- '%TEMP%\01.exe'
- '%TEMP%\02.exe'
- '%TEMP%\nsp3.tmp\ns4.tmp' "%TEMP%\UnRAR.exe" e -o+ -pqwaszx 1.rar
- '%TEMP%\UnRAR.exe' e -o+ -pqwaszx 1.rar
Executes the following:
- '%WINDIR%\explorer.exe'
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
- <SYSTEM32>\ctfmon.exe
- <SYSTEM32>\spoolsv.exe
- <SYSTEM32>\alg.exe
- <SYSTEM32>\cscript.exe
- <SYSTEM32>\winlogon.exe
- <SYSTEM32>\csrss.exe
- <SYSTEM32>\services.exe
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\lsass.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\02.exe
- %TEMP%\01.exe
- %TEMP%\nsp3.tmp\modern-header.bmp
- <SYSTEM32>\kdoem.exe
- %TEMP%\nsp3.tmp\ns4.tmp
- %TEMP%\1.rar
- %TEMP%\nse2.tmp
- %TEMP%\nsp3.tmp\nsExec.dll
- %TEMP%\UnRAR.exe
Deletes the following files:
- %TEMP%\01.exe
- %TEMP%\02.exe
- %TEMP%\1.rar
- %TEMP%\nsp3.tmp\ns4.tmp
- %TEMP%\UnRAR.exe
Network activity:
Connects to:
- '69.##.170.100':80
TCP:
HTTP GET requests:
- 69.##.170.100/
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'SysListView32' WindowName: '(null)'
- ClassName: '#32770' WindowName: '(null)'
