Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'DiskProtector' = '%APPDATA%\612367399.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Java' = '%APPDATA%\@off@\csrss.exe'
Malicious functions:
Creates and executes the following:
- %APPDATA%\612367399.exe
- %APPDATA%\@off@\csrss.exe
Executes the following:
- <SYSTEM32>\ping.exe 0
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java" /t REG_SZ /d "%APPDATA%\@off@\csrss.exe" /f
- <SYSTEM32>\cmd.exe /c ""%TEMP%\oMdQx.bat" "
Modifies file system :
Creates the following files:
- %APPDATA%\612367399.exe
- %APPDATA%\@off@\csrss.exe
- %TEMP%\oMdQx.bat
Sets the 'hidden' attribute to the following files:
- %APPDATA%\612367399.exe
Deletes the following files:
- %APPDATA%\@off@\csrss.exe
- %TEMP%\oMdQx.bat
Network activity:
Connects to:
- 'at##shf.com':9872
UDP:
- DNS ASK at##shf.com
- '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
