Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'e6d8a1e386876f5fc18191ebe65a4d6b' = '"%TEMP%\dllhostts.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'e6d8a1e386876f5fc18191ebe65a4d6b' = '"%TEMP%\dllhostts.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\e6d8a1e386876f5fc18191ebe65a4d6b.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\dllhostts.exe' = '%TEMP%\dllhostts.exe:*:Enabled:dllhostts.exe'
Creates and executes the following:
- '%TEMP%\dllhostts.exe'
- '%TEMP%\AY0JT2ACEWcyEek8d6jc.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\dllhostts.exe" "dllhostts.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\dllhostts.exe
- %TEMP%\AY0JT2ACEWcyEek8d6jc.exe
Deletes the following files:
- <SYSTEM32>\PerfStringBackup.TMP
Network activity:
Connects to:
- 'ga####.no-ip.biz':1177
UDP:
- DNS ASK ga####.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
