Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Sxikihuvuw' = 'rundll32.exe "%WINDIR%\v10for2.dll",Startup'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\3704885272] 'Name' = '"%TEMP%\5.tmp"'
Malicious functions:
Creates and executes the following:
- "%TEMP%\utncnw.exe" (downloaded from the Internet)
- "%TEMP%\jwpw.exe" (downloaded from the Internet)
- "%TEMP%\750234914" (downloaded from the Internet)
- "%TEMP%\rrqc.exe" (downloaded from the Internet)
- "%TEMP%\ghvgqgel.exe" (downloaded from the Internet)
- "%TEMP%\ccro.exe" (downloaded from the Internet)
- "%TEMP%\wysydg.exe" (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\rundll32.exe "%WINDIR%\v10for2.dll",iep
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\rundll32.exe "%WINDIR%\v10for2.dll",Startup
Injects code into
the following system processes:
- <SYSTEM32>\spoolsv.exe
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\bosgwxbeff[1].php
- %TEMP%\utncnw.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\hhlycptx[1].php
- %TEMP%\wysydg.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\sbsfwao[1].php
- %TEMP%\rrqc.exe
- %TEMP%\jwpw.exe
- %TEMP%\Rlb..bat
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\CAUVQNYT.php
- %WINDIR%\uposeyit.dll
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\vvvjzar[1].php
- %TEMP%\750234914
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\kxyyp[1].php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\vvvmmddhvl[1].php
- %TEMP%\nst3.tmp\2IC.exe
- %TEMP%\nst3.tmp\3E4U - Bucks.exe
- %TEMP%\nst3.tmp\6tbp.exe
- %TEMP%\nsy2.tmp
- %TEMP%\nst3.tmp\exrev.exe
- %TEMP%\nst3.tmp\1EuroP.exe
- %TEMP%\4.tmp
- %TEMP%\ghvgqgel.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\lmzdd[1].php
- %TEMP%\ccro.exe
- %WINDIR%\Temp\6.tmp
- %WINDIR%\v10for2.dll
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\wjwwnae[1].php
Deletes the following files:
- <DRIVERS>\etc\hosts
- %TEMP%\5.tmp
- <SYSTEM32>\svchost.exe
- %WINDIR%\Temp\6.tmp
- %TEMP%\nst3.tmp\exrev.exe
- %TEMP%\nst3.tmp\2IC.exe
- %TEMP%\nst3.tmp\1EuroP.exe
- %TEMP%\nst3.tmp\6tbp.exe
- %TEMP%\nst3.tmp\3E4U - Bucks.exe
Network activity:
Connects to:
- 'localhost':1040
- '14######0618.dynacero.net':80
- 'in####tloadflash.in':80
- 'aa###lic.com':80
TCP:
HTTP GET requests:
- aa###lic.com/bdqqu/vvvjzar.php?ad################################
- aa###lic.com/bdqqu/hhlycptx.php?ad################################
- aa###lic.com/bdqqu/kxyyp.php?ad##############################################################
- aa###lic.com/bdqqu/nnrfjmqeh.php?ad################################
- aa###lic.com/bdqqu/uhhymdqu.php?ad################################
- aa###lic.com/bdqqu/lmzdd.php?ad################################
- aa###lic.com/bdqqu/wjwwnae.php?ad################################
- aa###lic.com/bdqqu/vvvmmddhvl.php?ad################################
- aa###lic.com/bdqqu/bosgwxbeff.php?ad################################
- aa###lic.com/bdqqu/sbsfwao.php?ad################################
HTTP POST requests:
- in####tloadflash.in/wekdmxx.php?in##############################################################################################################
UDP:
- DNS ASK in####tloadflash.in
- DNS ASK aa###lic.com
- DNS ASK 14######0618.dynacero.net
- DNS ASK vn###ress.net
- DNS ASK ne##og.com
- DNS ASK ho###ay.com.cn
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'SystemTray_Main' WindowName: ''
- ClassName: 'CSCHiddenWindow' WindowName: ''
