Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'chfaal' = '%HOMEPATH%\chfaal.exe /e'
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>:\RCX8.tmp
- <Drive name for removable media>:\Bloc-notes.exe
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX7.tmp
- <Drive name for removable media>:\RCXE.tmp
- <Drive name for removable media>:\RCX11.tmp
- <Drive name for removable media>:\chfaal_backup.exe
- <Drive name for removable media>:\RCXB.tmp
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\chfaal.exe
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Porn.exe
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%\chfaal.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\Secret.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\8uupbnld.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD.tmp" "%TEMP%\vbcC.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\2nfdwugp.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES10.tmp" "%TEMP%\vbcF.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\vuowb7jd.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\wfbttrdj.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%\t0uqqvz1.cmdline"
Modifies file system :
Creates the following files:
- %TEMP%\vbcC.tmp
- %TEMP%\vuowb7jd.out
- %TEMP%\RESD.tmp
- %TEMP%\WAs.resources
- %TEMP%\MCvfQfBCj.resources
- %TEMP%\iSF.resources
- %TEMP%\windowsupdate.ico
- %TEMP%\AG.resources
- %TEMP%\vuowb7jd.cmdline
- %TEMP%\vuowb7jd.0.vb
- %TEMP%\oEbstzAJp.resources
- %TEMP%\vOgFLcaX.resources
- %TEMP%\2nfdwugp.0.vb
- %TEMP%\2nfdwugp.out
- %TEMP%\2nfdwugp.cmdline
- %TEMP%\8uupbnld.cmdline
- %TEMP%\8uupbnld.0.vb
- %TEMP%\8uupbnld.out
- %TEMP%\RES10.tmp
- %TEMP%\vbcF.tmp
- %TEMP%\wfbttrdj.0.vb
- %TEMP%\MSNPSharp.dll
- %TEMP%\wfbttrdj.cmdline
- %TEMP%\vbc1.tmp
- %TEMP%\wfbttrdj.out
- %TEMP%\Secret.exe
- %TEMP%\xvprYEnhQ.resources
- %TEMP%\svchost.exe
- %TEMP%\2NY887.resources
- %HOMEPATH%\chfaal.exe
- %TEMP%\t0uqqvz1.cmdline
- %TEMP%\t0uqqvz1.0.vb
- %TEMP%\t0uqqvz1.out
- %TEMP%\RESA.tmp
- %TEMP%\vbc9.tmp
- %TEMP%\wfbttrdj.exe
- %TEMP%\RES2.tmp
- %TEMP%\mxFixa.resources
- %TEMP%\whatdafock.txt
- %TEMP%\XicWbgZe.resources
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\chfaal.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\chfaal.exe
Deletes the following files:
- %TEMP%\vuowb7jd.out
- %TEMP%\vuowb7jd.cmdline
- %TEMP%\iSF.resources
- %TEMP%\vuowb7jd.0.vb
- <Drive name for removable media>:\chfaal.exe
- %TEMP%\windowsupdate.ico
- %TEMP%\vbcC.tmp
- %TEMP%\RESD.tmp
- %TEMP%\8uupbnld.out
- %TEMP%\8uupbnld.cmdline
- %TEMP%\WAs.resources
- %TEMP%\MCvfQfBCj.resources
- %TEMP%\RES10.tmp
- %TEMP%\AG.resources
- %TEMP%\8uupbnld.0.vb
- %TEMP%\vbcF.tmp
- <Drive name for removable media>:\chfaal_backup.exe
- %TEMP%\wfbttrdj.0.vb
- %TEMP%\wfbttrdj.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\wfbttrdj.out
- %TEMP%\wfbttrdj.cmdline
- %TEMP%\t0uqqvz1.0.vb
- %TEMP%\t0uqqvz1.out
- %TEMP%\XicWbgZe.resources
- %TEMP%\mxFixa.resources
- %TEMP%\RESA.tmp
- <Drive name for removable media>:\Passwords.exe
- %TEMP%\t0uqqvz1.cmdline
- %TEMP%\vbc9.tmp
Network activity:
Connects to:
- 'ns#.###nsearcher.net':8000
- '17#.#3.169.14':80
UDP:
- DNS ASK ns#.###nsearcher.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'