Cobalt Strike Beacon dropped by HTML Application (HTA) | VTI
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VTI SCORE: 100/100
Target: win10_64 | html_application
Classification: Trojan, Keylogger, Downloader

d8ef1c4f64a05b1abf100044fcb7048c9526d175a114cb90bd134b80783da146 (SHA256)

Secure_Document_Plugin.hta

HTML Application

Created at 2018-02-15 18:28:00

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Notifications (2/3)

Some memory dumps may be missing in the reports since the maximum number of dumps was reached during the analysis. You can increase the limit in the configuration settings.

Some memory dumps may be missing in the reports since the total dump size limit was reached during the analysis. You can increase the limit in the configuration settings.

The overall sleep time of all monitored processes was truncated from "11 minutes, 47 seconds" to "8 minutes, 50 seconds" to reveal dormant functionality.

Severity Category Operation Classification
5/5
Injection Writes into the memory of another running process -
  • "c:\windows\system32\wscript.exe" modifies memory of "c:\windows\syswow64\explorer.exe"
    ...
  • "c:\windows\syswow64\explorer.exe" modifies memory of "c:\windows\syswow64\rundll32.exe"
    ...
5/5
Injection Modifies control flow of another process -
  • "c:\windows\syswow64\explorer.exe" alters context of "c:\windows\syswow64\rundll32.exe"
    ...
  • "c:\windows\system32\wscript.exe" creates thread in "c:\windows\syswow64\explorer.exe"
    ...
4/5
File System Associated with malicious files Trojan
  • File "c:\users\ciihmnxmn6ps\appdata\locallow\microsoft\cryptneturlcache\content\0cf27c2989dc9db1c5967c252cccaa32" is a known malicious file.
    ...
3/5
Device Monitors keyboard input Keylogger
3/5
Anti Analysis Delays execution -
2/5
Network Performs DNS request -
2/5
Network Downloads data Downloader
2/5
Network Connects to HTTP server -
Function Logfile
Download-Icon
Exit-Icon

This feature requires an online-connection to the VMRay backend.

An offline version with limited functionality is also provided.
The offline version is supported only in Mozilla Firefoxwith deactivated setting "security.fileuri.strict_origin_policy". 


    

   

   

    Before
   

   

    

     

      
       This feature requires an online-connection to the VMRay backend.
      
      

      

      An offline version with limited functionality is also provided.
      

      The offline version is supported only in Mozilla Firefoxwith deactivated setting "security.fileuri.strict_origin_policy".
     

     

    

   

   

    After
   

   

    

     

      
       This feature requires an online-connection to the VMRay backend.
      
      

      

      An offline version with limited functionality is also provided.
      

      The offline version is supported only in Mozilla Firefoxwith deactivated setting "security.fileuri.strict_origin_policy".
     

     

    

   

   

    

     
      

       
       
       
       
      

     
     
     
    

   

  

  

   

    
    

     Screenshot
    

    

     Expand-Icon
    

    

     Exit-Icon
    

   

   

    

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     icon_left
    

   

   

   

   

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