Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'firefox' = '"<Current directory>\firefox.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'firefox' = '"<Current directory>\firefox.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "<Current directory>\firefox.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'winlogon' = '"%ProgramFiles%\DVD Maker\en-US\winlogon.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'winlogon' = '"%ProgramFiles%\DVD Maker\en-US\winlogon.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "<Current directory>\firefox.exe", "%ProgramFiles%\DVD Maker\en-US\winlogon.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'WUDFHost' = '"C:\kms\WUDFHost.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'WUDFHost' = '"C:\kms\WUDFHost.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "<Current directory>\firefox.exe", "%ProgramFiles%\DVD Maker\en-US\winlogon.exe", "C:\kms\WUDFHost.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'winlogon' = '"%WINDIR%\Speech\Engines\winlogon.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'winlogon' = '"%WINDIR%\Speech\Engines\winlogon.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "<Current directory>\firefox.exe", "%ProgramFiles%\DVD Maker\en-US\winlogon.exe", "C:\kms\WUDFHost.exe", "%...
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"<Full path to file>"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"<Full path to file>"'
Creates or modifies the following files
- <SYSTEM32>\tasks\firefoxf
- <SYSTEM32>\tasks\firefox
- <SYSTEM32>\tasks\winlogonw
- <SYSTEM32>\tasks\wudfhostw
- <SYSTEM32>\tasks\winlogon
- <SYSTEM32>\tasks\wudfhost
- <SYSTEM32>\tasks\<File name>
- <SYSTEM32>\tasks\<File name>f
Modifies file system
Creates the following files
- <Current directory>\1c8874cfa1fe9b
- <Current directory>\firefox.exe
- <Current directory>\0fc223bdacedc3
- %WINDIR%\speech\engines\winlogon.exe
- %WINDIR%\speech\engines\cc11b995f2a76d
- C:\kms\wudfhost.exe
- C:\kms\480b7989c529f6
- %ProgramFiles%\dvd maker\en-us\winlogon.exe
- %ProgramFiles%\dvd maker\en-us\cc11b995f2a76d
- %TEMP%\p4u1oe5q.0.cs
- %TEMP%\p4u1oe5q.cmdline
- %TEMP%\p4u1oe5q.out
- %TEMP%\7ghpubh9yi
- %TEMP%\k63lxjf739.bat
- nul
Deletes the following files
- %TEMP%\p4u1oe5q.0.cs
- %TEMP%\p4u1oe5q.out
- %TEMP%\p4u1oe5q.cmdline
- %TEMP%\7ghpubh9yi
Moves the following files
- from %ProgramFiles%\microsoft office\office14\bcssync.exe to %ProgramFiles%\microsoft office\office14\bcssync.exe.exe
Network activity
Connects to
- 'de##avu.ru':80
TCP
HTTP POST requests
- http://de##avu.ru/Videopython_secureGeo.php
UDP
- DNS ASK de##avu.ru
- 'localhost':123
Miscellaneous
Restarts the analyzed sample
Executes the following
- '<SYSTEM32>\schtasks.exe' /create /tn "firefoxf" /sc MINUTE /mo 13 /tr "'<Current directory>\firefox.exe'" /f
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\k63LXJf739.bat"
- '<SYSTEM32>\schtasks.exe' /create /tn "<File name>f" /sc MINUTE /mo 7 /tr "'<Full path to file>'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "<File name>" /sc ONLOGON /tr "'<Full path to file>'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "<File name>f" /sc MINUTE /mo 6 /tr "'<Full path to file>'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "firefoxf" /sc MINUTE /mo 9 /tr "'<Current directory>\firefox.exe'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "winlogonw" /sc MINUTE /mo 5 /tr "'%WINDIR%\Speech\Engines\winlogon.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "winlogon" /sc ONLOGON /tr "'%WINDIR%\Speech\Engines\winlogon.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'%WINDIR%\Speech\Engines\winlogon.exe'" /f
- '<SYSTEM32>\chcp.com' 65001
- '<SYSTEM32>\schtasks.exe' /create /tn "WUDFHostW" /sc MINUTE /mo 12 /tr "'C:\kms\WUDFHost.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "WUDFHostW" /sc MINUTE /mo 14 /tr "'C:\kms\WUDFHost.exe'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'%ProgramFiles%\DVD Maker\en-US\winlogon.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "winlogon" /sc ONLOGON /tr "'%ProgramFiles%\DVD Maker\en-US\winlogon.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'%ProgramFiles%\DVD Maker\en-US\winlogon.exe'" /f
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\p4u1oe5q.cmdline"
- '<SYSTEM32>\schtasks.exe' /create /tn "firefoxf" /sc MINUTE /mo 7 /tr "'<Current directory>\firefox.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "firefox" /sc ONLOGON /tr "'<Current directory>\firefox.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\kms\WUDFHost.exe'" /rl HIGHEST /f
- '<SYSTEM32>\w32tm.exe' /stripchart /computer:localhost /period:5 /dataonly /samples:2
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\p4u1oe5q.cmdline"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\k63LXJf739.bat"' (with hidden window)
