Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '2ce4f5a060765e1c5f6fc3331a51a20c' = '"%APPDATA%\csrrs.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '2ce4f5a060765e1c5f6fc3331a51a20c' = '"%APPDATA%\csrrs.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\csrrs.exe' = '%APPDATA%\csrrs.exe:*:Enabled:csrrs.exe'
Creates and executes the following:
- '%APPDATA%\csrrs.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\csrrs.exe" "csrrs.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\csrrs.exe
Network activity:
Connects to:
- 'bi######ajinoh.no-ip.biz':1177
UDP:
- DNS ASK bi######ajinoh.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
