Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wofep' = '%HOMEPATH%\wofep.exe /N'
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>:\AXn.ico
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\wofep.exe
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\wofepx.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%\wofep.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\wofep.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\wofep.exe
- <Drive name for removable media>:\wofepx.exe
- <Drive name for removable media>:\AXn.ico
- %HOMEPATH%\wofep.exe
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'ns#.##ayer1253.com':8000
UDP:
- DNS ASK ns#.##ayer1253.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
