Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'csrss.exe' = '"%APPDATA%\Microsoft\Windows\csrss.exe" -start'
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\syswow64\notepad.exe
Modifies file system
Creates the following files
- %TEMP%\855f92e7.zeppelin
- %APPDATA%\microsoft\windows\csrss.exe
- %WINDIR%\serviceprofiles\networkservice\appdata\locallow\microsoft\cryptneturlcache\metadata\f0accf77cdcbff39f6191887f6d2d357
- %WINDIR%\serviceprofiles\networkservice\appdata\locallow\microsoft\cryptneturlcache\content\f0accf77cdcbff39f6191887f6d2d357
- %TEMP%\c0962ce2.zeppelin
Deletes the following files
- %TEMP%\855f92e7.zeppelin
- %TEMP%\c0962ce2.zeppelin
Deletes itself.
Network activity
TCP
HTTP GET requests
- http://ge###tool.com/
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt
- http://ip###ger.org/114UQ
UDP
- DNS ASK ge###tool.com
- DNS ASK ge###tatool.com
- DNS ASK ip###ger.org
Miscellaneous
Creates and executes the following
- '%APPDATA%\microsoft\windows\csrss.exe' -start
Executes the following
- '%WINDIR%\syswow64\notepad.exe'
