Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '828d459e717a1784253e73f465fcf91d' = '"%TEMP%\explorer.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '828d459e717a1784253e73f465fcf91d' = '"%TEMP%\explorer.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\828d459e717a1784253e73f465fcf91d.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\explorer.exe' = '%TEMP%\explorer.exe:*:Enabled:explorer.exe'
Creates and executes the following:
- '%TEMP%\explorer.exe'
- '<SYSTEM32>\1.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\explorer.exe" "explorer.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <SYSTEM32>\150132_224995007600192_1599486202_n.jpg
Modifies file system :
Creates the following files:
- %TEMP%\explorer.exe
- %HOMEPATH%\Recent\150132_224995007600192_1599486202_n.lnk
- %HOMEPATH%\Recent\system32.lnk
- %TEMP%\sfx.ini
- <SYSTEM32>\150132_224995007600192_1599486202_n.jpg
- <SYSTEM32>\1.exe
Deletes the following files:
- %TEMP%\sfx.ini
Network activity:
Connects to:
- 'hu####s.no-ip.org':1478
UDP:
- DNS ASK hu####s.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'