Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '7821e0c2d9b599d4e0eeebde2e8d6044' = '"%TEMP%\chormn.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '7821e0c2d9b599d4e0eeebde2e8d6044' = '"%TEMP%\chormn.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\chormn.exe' = '%TEMP%\chormn.exe:*:Enabled:chormn.exe'
Creates and executes the following:
- '%TEMP%\chormn.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\chormn.exe" "chormn.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\chormn.exe
Network activity:
Connects to:
- 'bo#####k12.no-ip.biz':1177
UDP:
- DNS ASK bo#####k12.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
