Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'a5fac083c48e4cb3638443b13328b038' = '"%TEMP%\.chrome.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'a5fac083c48e4cb3638443b13328b038' = '"%TEMP%\.chrome.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\a5fac083c48e4cb3638443b13328b038.exe
Creates the following files on removable media:
- <Drive name for removable media>:\a5fac083c48e4cb3638443b13328b038.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\.chrome.exe' = '%TEMP%\.chrome.exe:*:Enabled:.chrome.exe'
Creates and executes the following:
- '%TEMP%\.chrome.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\.chrome.exe" ".chrome.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\.chrome.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\a5fac083c48e4cb3638443b13328b038.exe
Network activity:
Connects to:
- 'az#####336.myftp.biz':1177
UDP:
- DNS ASK az#####336.myftp.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
