Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'xaabug' = '%HOMEPATH%\xaabug.exe /m'
Creates the following files on removable media:
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\xaabug.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\xaabugx.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%\bxcess.exe
- %HOMEPATH%\cxcess.exe
- %HOMEPATH%\axcess.exe
- %HOMEPATH%\xaabug.exe
Executes the following:
- <SYSTEM32>\cmd.exe /c """%HOMEPATH%\a.bat"" "
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\tasklist.exe
Injects code into
the following user processes:
- firefox.exe
- iexplore.exe
- YahooMessenger.exe
- msnmsgr.exe
- ICQ.exe
Searches for windows to
detect programs and games:
- ClassName: 'SkinuxWindow' WindowName: 'MySpaceIM with Skype'
Modifies file system :
Creates the following files:
- %HOMEPATH%\dxcess.exe
- %HOMEPATH%\xaabug.exe
- %HOMEPATH%\a.bat
- %HOMEPATH%\axcess.exe
- %HOMEPATH%\bxcess.exe
- %HOMEPATH%\cxcess.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\xaabug.exe
- <Drive name for removable media>:\xaabugx.exe
- %HOMEPATH%\xaabug.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %HOMEPATH%\axcess.exe
- %HOMEPATH%\bxcess.exe
Network activity:
Connects to:
- 'br###ero.com':80
TCP:
HTTP POST requests:
- br###ero.com/x8sa90xa9s08xas.php?in##############################################################################################################
UDP:
- DNS ASK br###ero.com
- DNS ASK vk###akte.ru
- DNS ASK cr###slist.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
