Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'lr' = 'C:\Documents'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'lr' = 'C:\Documents'
Malicious functions:
Creates and executes the following:
- '%TEMP%\csrss.exe' -keyhide -prochide 2988 -reg %TEMP%\lr.exe -proc 2988 %TEMP%\lr.exe
- '%TEMP%\lr.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe'
- '<SYSTEM32>\schtasks.exe' /Create /TN "Update\lr" /XML "%TEMP%\952909081.xml"
Injects code into
the following system processes:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe
Modifies file system :
Creates the following files:
- %TEMP%\952909081.xml
- %TEMP%\csrss.exe
- %TEMP%\csrss.exe:ZONE.identifier
- <Full path to virus>:ZONE.identifier
- %TEMP%\lr.exe
- %TEMP%\lr.exe:ZONE.identifier
Sets the 'hidden' attribute to the following files:
- %TEMP%\csrss.exe
- %TEMP%\lr.exe
Deletes the following files:
- %TEMP%\952909081.xml
Network activity:
Connects to:
- 'sh#####4ck.no-ip.biz':22040
UDP:
- DNS ASK sh#####4ck.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
