Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Intel' = '<SYSTEM32>\system\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{PH4E212D-53NG-NYLP-C4VT-L1J671K44N2M}] 'StubPath' = '<SYSTEM32>\system\svchost.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{PH4E212D-53NG-NYLP-C4VT-L1J671K44N2M}] 'StubPath' = '<SYSTEM32>\system\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = '<SYSTEM32>\system\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = '<SYSTEM32>\system\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Realtek' = '<SYSTEM32>\system\svchost.exe'
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\system\svchost.exe'
Executes the following:
- '<SYSTEM32>\system\svchost.exe'
- '%WINDIR%\explorer.exe'
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Modifies file system:
Creates the following files:
- %APPDATA%\%USERNAME%-wchelper.dll
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%8
- <SYSTEM32>\system\svchost.exe
- %TEMP%\%USERNAME%2.txt
- %APPDATA%\88E6680F\ak.tmp
Sets the 'hidden' attribute to the following files:
- %APPDATA%\%USERNAME%-wchelper.dll
- <SYSTEM32>\system\svchost.exe
Deletes the following files:
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%8
- %TEMP%\%USERNAME%2.txt
Deletes itself.
Network activity:
Connects to:
- 'kd#.#o-ip.biz':81
- 'kd#.#o-ip.biz':82
- 'kd#.#o-ip.biz':999
- 'kd#.#yq-see.com':81
- 'kd#.#yq-see.com':82
- 'kd#.#yq-see.com':999
UDP:
- DNS ASK kd#.#o-ip.biz
- DNS ASK kd#.#yq-see.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''
