Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\AppMgmt] 'Start' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\Recover] 'Start' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\Services\278A2040] 'Start' = '00000002'
Changes the following executable system files:
- <SYSTEM32>\appmgmts.dll
Malicious functions:
Creates and executes the following:
- '%WINDIR%\anan.exe'
- '%TEMP%\HELPCTR.EXE' -FromStartHelp
- '%WINDIR%\cfan.exe'
- '%WINDIR%\down.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\3fdb5b2b.bat" "
- '<SYSTEM32>\rundll32.exe' ups.dll look
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Hooks the following functions in System Service Descriptor Table (SSDT):
- NtSetSystemInformation, handler: 278A2040.sys
- NtSetValueKey, handler: 278A2040.sys
- NtLoadDriver, handler: 278A2040.sys
- NtReadFile, handler: 278A2040.sys
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\new_index[1].htm
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\s[1]
- %TEMP%\3fdb5b2b.bat
- <SYSTEM32>\ups.dll
- <SYSTEM32>\usp.ini
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\s[2]
- C:\Documents and Settings\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\EP6HW1CJ\desktop.ini
- C:\Documents and Settings\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\09MBW9YN\desktop.ini
- C:\Documents and Settings\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\71JUAQQ0\desktop.ini
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\s[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\s[1]
- C:\Documents and Settings\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\KTIRK96N\desktop.ini
- <SYSTEM32>\dr2f4.dll
- %TEMP%\HELPCTR.EXE
- %WINDIR%\anan.exe
- <SYSTEM32>\tjver.ini
- %WINDIR%\cfan.exe
- %WINDIR%\down.exe
- %TEMP%\stinst.log
- <SYSTEM32>\278A2040.sys
- C:\Temp\FuckNP.sys
- <DRIVERS>\dr2f4.sys
- C:\one.ini
- %TEMP%\MSIMG32.dll
- <SYSTEM32>\77830000.tmp
Sets the 'hidden' attribute to the following files:
- C:\Documents and Settings\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\EP6HW1CJ\desktop.ini
- C:\Documents and Settings\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\KTIRK96N\desktop.ini
- C:\Documents and Settings\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\71JUAQQ0\desktop.ini
- C:\Documents and Settings\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\09MBW9YN\desktop.ini
- <SYSTEM32>\ups.dll
- %WINDIR%\down.exe
- %WINDIR%\cfan.exe
- C:\Temp\FuckNP.sys
- %WINDIR%\anan.exe
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\s[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\s[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\s[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\s[2]
- %TEMP%\MSIMG32.dll
- %TEMP%\HELPCTR.EXE
- C:\Temp\FuckNP.sys
Network activity:
Connects to:
- 'localhost':1043
- '22#.#86.51.77':7777
- 'localhost':1061
- 'localhost':1036
- 'www.x5##.com':80
- '12#.#25.114.144':80
TCP:
HTTP GET requests:
- 12#.#25.114.144/
- 12#.#25.114.144/s?wd#######
- www.x5##.com/new_index.htm
UDP:
- DNS ASK fa#.##nhulu2.com
- DNS ASK mx.##768.com
- DNS ASK hi.##idu.com
- DNS ASK www.x5##.com
- DNS ASK www.ba##u.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'CicLoaderWndClass' WindowName: '(null)'
- ClassName: 'OleMainThreadWndClass' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
