Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '1a5f058929c78ffb6cadf2f9b204ab15' = '"%TEMP%\chrom.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '1a5f058929c78ffb6cadf2f9b204ab15' = '"%TEMP%\chrom.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\1a5f058929c78ffb6cadf2f9b204ab15.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\chrom.exe' = '%TEMP%\chrom.exe:*:Enabled:chrom.exe'
Creates and executes the following:
- '%TEMP%\chrom.exe'
- '<LS_APPDATA>yajKWMXUbD.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\chrom.exe" "chrom.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\25E72.dmp
- %TEMP%\chrom.exe
- %TEMP%\dw.log
- <LS_APPDATA>yajKWMXUbD.exe
- <LS_APPDATA>nh_MDGafEn.vb
Network activity:
Connects to:
- 'sa##.no-ip.biz':1177
UDP:
- DNS ASK sa##.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
