Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = ''
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{5ND2COY1-QR65-L54M-6LMU-8HQ4UHO23S15}] 'StubPath' = '<SYSTEM32>\Winlog\Winlogon.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{5ND2COY1-QR65-L54M-6LMU-8HQ4UHO23S15}] 'StubPath' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = ''
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\Winlog\Winlogon.exe'
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- %TEMP%\XxX.xXx
- %TEMP%\UuU.uUu
- %APPDATA%\logs.dat
- <SYSTEM32>\Winlog\Winlogon.exe
- %TEMP%\XX--XX--XX.txt
Sets the 'hidden' attribute to the following files:
- %APPDATA%\logs.dat
Deletes the following files:
- %TEMP%\UuU.uUu
- %TEMP%\XxX.xXx
- <SYSTEM32>\Winlog\Winlogon.exe
- %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
- 'ha###.no-ip.org':82
- 'localhost':82
UDP:
- DNS ASK ha###.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
