Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciihu' = '%HOMEPATH%\ciihu.exe /x'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Creates the following files on removable media:
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCXB.tmp
- <Drive name for removable media>:\ciihu_backup.exe
- <Drive name for removable media>:\Bloc-notes.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\ciihu.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\RCX2.tmp
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX1.tmp
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%HOMEPATH%\ciihu.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\Porn.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\lbtwvorj.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\1yip2xjs.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES8.tmp" "%TEMP%\vbc7.tmp"
Modifies file system :
Creates the following files:
- %TEMP%\whatdafock.txt
- %TEMP%\lbtwvorj.0.vb
- %TEMP%\tD.resources
- %TEMP%\1yip2xjs.exe
- %TEMP%\RGQg.resources
- %TEMP%\RESA.tmp
- %TEMP%\windowsupdate.ico
- %TEMP%\vbc9.tmp
- %TEMP%\lbtwvorj.cmdline
- %TEMP%\lbtwvorj.out
- %TEMP%\RES8.tmp
- %HOMEPATH%\ciihu.exe
- %TEMP%\qO873BI.resources
- %TEMP%\svchost.exe
- %TEMP%\TSI.resources
- %TEMP%\Porn.exe
- %TEMP%\1yip2xjs.out
- %TEMP%\vbc7.tmp
- %TEMP%\1yip2xjs.cmdline
- %TEMP%\MSNPSharp.dll
- %TEMP%\1yip2xjs.0.vb
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\ciihu.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\ciihu.exe
Deletes the following files:
- %TEMP%\lbtwvorj.cmdline
- %TEMP%\lbtwvorj.out
- %TEMP%\vbc9.tmp
- %TEMP%\lbtwvorj.0.vb
- %TEMP%\RGQg.resources
- %TEMP%\windowsupdate.ico
- <Drive name for removable media>:\ciihu.exe
- %TEMP%\tD.resources
- <Drive name for removable media>:\ciihu_backup.exe
- %TEMP%\RESA.tmp
- <Drive name for removable media>:\Passwords.exe
- %TEMP%\RES8.tmp
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Porn.exe
- %TEMP%\vbc7.tmp
- %TEMP%\1yip2xjs.exe
- %TEMP%\1yip2xjs.0.vb
- %TEMP%\1yip2xjs.cmdline
- %TEMP%\1yip2xjs.out
Network activity:
Connects to:
- '17#.#3.169.14':80
- 'ns#.##ayer1352.com':8000
UDP:
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'