Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] '*win.com' = '<SYSTEM32>\win.com'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RUNONCE] '*win.com' = '<SYSTEM32>\win.com'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{4EC24D8A-7E1C-6B5D-2A7C-2C648B1E257A}] 'StubPath' = '<SYSTEM32>\win.com 2'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP000.TMP\"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'win.com' = '<SYSTEM32>\win.com'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'win.com' = '<SYSTEM32>\win.com'
Changes the following executable system files:
- <SYSTEM32>\win.com
Malicious functions:
Creates and executes the following:
- '%TEMP%\IXP000.TMP\server.exe'
Executes the following:
- '<SYSTEM32>\win.com'
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Searches for registry branches where third party applications store passwords:
- [<HKLM>\SOFTWARE\MICROSOFT\MSNMessenger]
Modifies file system :
Creates the following files:
- %TEMP%\IXP000.TMP\server.exe
Deletes the following files:
- %TEMP%\IXP000.TMP\server.exe
Network activity:
Connects to:
- 'cc####aa.no-ip.biz':2222
UDP:
- DNS ASK cc####aa.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
