Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '4adc00f2fe4b805c3f221ca2f5132ebb' = '"%TEMP%\CMSC32.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '4adc00f2fe4b805c3f221ca2f5132ebb' = '"%TEMP%\CMSC32.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\4adc00f2fe4b805c3f221ca2f5132ebb.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\CMSC32.exe' = '%TEMP%\CMSC32.exe:*:Enabled:CMSC32.exe'
Creates and executes the following:
- '%TEMP%\CMSC32.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\CMSC32.exe" "CMSC32.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\CMSC32.exe
Network activity:
Connects to:
- 'he#####t-3.no-ip.biz':1177
UDP:
- DNS ASK he#####t-3.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
