Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '1ffcf52b0cd64d83554855bd6f04fc1f' = '"%TEMP%\taskhost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '1ffcf52b0cd64d83554855bd6f04fc1f' = '"%TEMP%\taskhost.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\1ffcf52b0cd64d83554855bd6f04fc1f.exe
Creates the following files on removable media:
- <Drive name for removable media>:\1ffcf52b0cd64d83554855bd6f04fc1f.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\taskhost.exe' = '%TEMP%\taskhost.exe:*:Enabled:taskhost.exe'
Creates and executes the following:
- '%TEMP%\taskhost.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\taskhost.exe" "taskhost.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\taskhost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\1ffcf52b0cd64d83554855bd6f04fc1f.exe
Network activity:
Connects to:
- 'kh####kh.myftp.biz':81
UDP:
- DNS ASK kh####kh.myftp.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
