Javascript Attempts to Detect VMs via Registry | VTI
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VTI SCORE: 100/100
Target: win8.1_64 | windows_script_file
Classification: Dropper, Downloader

f664d5e8a47084388e3d0efabc38b5f04a759e382211846f722be6f7365df7fc (SHA256)

pricaz _6_.js

JScript

Created at 2018-02-28 11:58:00

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Notifications (1/1)

The operating system was rebooted during the analysis because the sample installed a startup script or application for persistence.

Severity Category Operation Classification
5/5
Anti Analysis Tries to detect virtual machine -
  • Reads out system information, commonly used to detect VMs via registry. (Value "Identifier" in key "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0").
    ...
4/5
Persistence Installs system startup script or application -
  • Adds ""C:\Users\5JgHKoaOfdp\AppData\RoamingeOX20.eXe"" to Windows startup via registry.
    ...
4/5
PE Executes dropped PE file -
2/5
Network Performs DNS request -
2/5
Network Checks external IP address -
  • Checks external IP by asking IP info service at "ipv4bot.whatismyipaddress.com/".
    ...
2/5
Network Associated with known malicious/suspicious URLs -
2/5
Network Downloads data Downloader
2/5
Network Connects to HTTP server -
2/5
PE Drops PE file Dropper
1/5
Process Creates system object -
  • Creates mutex with name "Global\PowerShell_CommandAnalysis_Lock_S-1-5-21-3643094112-4209292109-138530109-1001".
    ...
  • Creates mutex with name "Global\pc_group=WORKGROUP&ransom_id=37c4473eba2ee5af".
    ...
1/5
OS Uses encryption API -
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".
     

     

    

   

   

    

     
      

       
       
       
       
      

     
     
     
    

   

  

  

   

    
    

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