Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /o'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\3791290600] 'Name' = '"%TEMP%\3.tmp"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wueayen' = '%HOMEPATH%\wueayen.exe /t'
Creates the following files on removable media:
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\mKu.ico
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\wueayen.exe
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\wueayenx.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%\vmnat.exe
- %HOMEPATH%\wueayen.exe
- %HOMEPATH%\ustat2.exe
- %HOMEPATH%\ti1qlErB9gyG2t8LE6.exe
- %HOMEPATH%\ustat1.exe
- "%TEMP%\bebcklqy.exe" (downloaded from the Internet)
- "%TEMP%\apfnemre.exe" (downloaded from the Internet)
- "%TEMP%\yjeqmxs.exe" (downloaded from the Internet)
- "%TEMP%\ogqpmmg.exe" (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\tasklist.exe
- <SYSTEM32>\svchost.exe
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:
- %TEMP%\yjeqmxs.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\lmzdd[1].php
- %TEMP%\apfnemre.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\uhhymdqu[1].php
- %TEMP%\ogqpmmg.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\scctgxkbb[1].php
- %TEMP%\bebcklqy.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\nnrfjmqeh[1].php
- %HOMEPATH%\ustat2.exe
- %HOMEPATH%\ustat1.exe
- %HOMEPATH%\ti1qlErB9gyG2t8LE6.exe
- %HOMEPATH%\vmnat.exe
- %WINDIR%\Temp\4.tmp
- %HOMEPATH%\wueayen.exe
- %TEMP%\2.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\wueayen.exe
- <Drive name for removable media>:\wueayenx.exe
- <Drive name for removable media>:\mKu.ico
- %HOMEPATH%\wueayen.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %WINDIR%\Temp\4.tmp
- <SYSTEM32>\svchost.exe
- %HOMEPATH%\ti1qlErB9gyG2t8LE6.exe
- %HOMEPATH%\ustat2.exe
- %TEMP%\3.tmp
- <DRIVERS>\etc\hosts
Network activity:
Connects to:
- 'aa###lic.com':80
- 'ap#.#ostip.info':80
- '74.##5.232.51':80
TCP:
HTTP GET requests:
- aa###lic.com/bdqqu/scctgxkbb.php?ad################################
- aa###lic.com/bdqqu/uhhymdqu.php?ad################################
- aa###lic.com/bdqqu/vvvmmddhvl.php?ad################################
- aa###lic.com/bdqqu/ivjwneei.php?ad################################
- ap#.#ostip.info/country.php
- 74.##5.232.51/
- aa###lic.com/bdqqu/lmzdd.php?ad################################
- aa###lic.com/bdqqu/nnrfjmqeh.php?ad################################
UDP:
- DNS ASK aa###lic.com
- DNS ASK ap#.#ostip.info
- DNS ASK google.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: 'KJDjhhjkhgHJGdhgshgfjsf'
- ClassName: '' WindowName: 'KJDJhkhgjfdhukgHGYjhyfgdhsgfds'
- ClassName: '' WindowName: 'KJDjdfjhhHYDiufudishfgyusi'
