2d8cd285...f760 | VMRay Analyzer Report
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VTI SCORE: 100/100
Dynamic Analysis Report
Classification: Ransomware, Trojan

svchost.exe

Windows Exe (x86-32)

Created at 2019-05-15T13:44:00

...

Remarks (1/1)

(0x2000004): The operating system was rebooted during the analysis because the sample installed a startup script, task or application for persistence.

VMRay Threat Indicators (8 rules, 33 matches)

Severity Category Operation Count Classification
5/5
Local AV Malicious content was detected by heuristic scan 2 -
5/5
Reputation Known malicious file 1 Trojan
  • File "C:\Users\FD1HVy\Desktop\svchost.exe" is a known malicious file.
    ...
4/5
File System Renames user files 1 Ransomware
  • Renames multiple user files. This is an indicator for an encryption attempt.
    ...
4/5
YARA YARA match 4 -
  • Rule "JS_Unicode_escaped_bytes" from ruleset "Generic" has matched on the modified file "C:\Windows10Upgrade\resources\ux\Microsoft.WinJS\js\base.js".
    ...
  • Rule "JS_charCodeAt" from ruleset "Generic" has matched on the modified file "C:\Windows10Upgrade\resources\ux\Microsoft.WinJS\js\base.js".
    ...
  • Rule "JS_charCodeAt" from ruleset "Generic" has matched on the modified file "C:\Windows10Upgrade\resources\ux\Microsoft.WinJS\js\ui.js".
    ...
3/5
File System Possibly drops ransom note files 1 Ransomware
  • Possibly drops ransom note files (creates 45 instances of the file "how_to_back_files.html" in different locations).
    ...
1/5
Persistence Installs system startup script or application 1 -
  • Adds "C:\Users\FD1HVy\AppData\Local\svchost.exe" to Windows startup via registry.
    ...
1/5
Masquerade Changes folder appearance 22 -
  • Folder "c:\users\public" has a changed appearance.
    ...
  • Folder "c:\users\public\videos" has a changed appearance.
    ...
  • Folder "c:\users\public\pictures" has a changed appearance.
    ...
  • Folder "c:\users\public\music" has a changed appearance.
    ...
  • Folder "c:\users\public\libraries" has a changed appearance.
    ...
  • Folder "c:\users\public\downloads" has a changed appearance.
    ...
  • Folder "c:\users\public\documents" has a changed appearance.
    ...
  • Folder "c:\users\public\desktop" has a changed appearance.
    ...
  • Folder "c:\users\public\accountpictures" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\videos" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\searches" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\saved games" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\pictures" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\pictures\saved pictures" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\pictures\camera roll" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\onedrive" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\music" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\links" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\favorites" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\favorites\links" has a changed appearance.
    ...
  • Folder "c:\users\fd1hvy\downloads" has a changed appearance.
    ...
1/5
File System Creates an unusually large number of files 1 -

Screenshots

Monitored Processes

Process Graph

Process Graph Legend

Sample Information

ID #649892
MD5 3a25ccf9b9be56957d5ebe8773b490b2 Copy to Clipboard
SHA1 76019740e5b44b4b84e244c3c1c23a9ec99c4859 Copy to Clipboard
SHA256 2d8cd28539fd3e5409dcc0519c43a45f6b0385b8cd0cdad72f536f43098bf760 Copy to Clipboard
SSDeep 1536:suiv+k/t9cXalnawr1IwxVSHM0ZuikgD/Mf:viv+k/t2XalnagIN1R7 Copy to Clipboard
ImpHash ba2ce247fa49357770ce28f139e2f1ab Copy to Clipboard
Filename svchost.exe
File Size 53.50 KB
Sample Type Windows Exe (x86-32)

Analysis Information

Creation Time 2019-05-15 15:44 (UTC+2)
Analysis Duration 00:04:59
Number of Monitored Processes 34
Execution Successful True
Reputation Enabled True
WHOIS Enabled True
Local AV Enabled True
YARA Enabled True
Number of AV Matches 3
Number of YARA Matches 4
Termination Reason Timeout
Tags
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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     Exit-Icon
    

   

   

    

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