2b5c31a6...7008 | VMRay Analyzer Report
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VTI SCORE: 100/100
Dynamic Analysis Report
Classification: Ransomware, Trojan

myuyeg.exe

Windows Exe (x86-32)

Created at 2019-04-09T07:16:00

...

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 (9 rules, 12 matches)

Severity Category Operation Classification
5/5
File System Known malicious file Trojan
  • File "C:\Users\5p5NrGJn0jS HALPmcxz\Desktop\myuyeg.exe" is a known malicious file.
    ...
4/5
File System Renames user files Ransomware
  • Renames multiple user files. This is an indicator for an encryption attempt.
    ...
3/5
File System Possibly drops ransom note files Ransomware
  • Possibly drops ransom note files (creates 362 instances of the file "@@_BENI_OKU_@@.txt" in different locations).
    ...
2/5
Anti Analysis Resolves APIs dynamically to possibly evade static detection -
2/5
Information Stealing Reads sensitive browser data -
  • Trying to read sensitive data of web browser "Google Chrome" by file.
    ...
  • Trying to read sensitive data of web browser "Internet Explorer / Edge" by file.
    ...
  • Trying to read sensitive data of web browser "Mozilla Firefox" by file.
    ...
1/5
Persistence Installs system startup script or application -
  • Adds ""C:\Users\5p5NrGJn0jS HALPmcxz\Desktop\myuyeg.exe" e" to Windows startup via registry.
    ...
  • Adds "c:\users\5p5nrgjn0js halpmcxz\appdata\roaming\microsoft\windows\start menu\programs\startup\desktop.ini.cryptoid" to Windows startup folder.
    ...
1/5
Masquerade Changes folder appearance -
  • Folder "c:\$recycle.bin\s-1-5-21-3388679973-3930757225-3770151564-1000" has a changed appearance.
    ...
1/5
Information Stealing Possibly does reconnaissance -
  • Possibly trying to gather information about application "Mozilla Firefox" by file.
    ...
1/5
File System Creates an unusually large number of files -

Screenshots

Monitored Processes

Process Graph

Process Graph Legend

Sample Information

ID #546236
MD5 156425a5c079ae44b6be285d361bb00e Copy to Clipboard
SHA1 5bb1601792a0eba86ba81a8cac437f6d0e4edde9 Copy to Clipboard
SHA256 2b5c31a6048574f9b8a0769ed1d8af362c5b354be3a31e6a1ae31c24ac127008 Copy to Clipboard
SSDeep 6144:XaZ0kXENm2eK7mnoUSgpAY8ODcDcm7cIs+vMfLvP/C8ja48LQAmzAOYWcpW6lOF2:CbYvMfLnssAmzuWXYNGfya2/3ASI9C Copy to Clipboard
ImpHash d33d9431544aca0e2c6908f340684735 Copy to Clipboard
Filename myuyeg.exe
File Size 394.00 KB
Sample Type Windows Exe (x86-32)

Analysis Information

Creation Time 2019-04-09 09:16 (UTC+2)
Analysis Duration 00:04:59
Number of Monitored Processes 2
Execution Successful True
Reputation Enabled True
WHOIS Enabled True
Local AV Enabled False
YARA Enabled True
Number of YARA Matches 0
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".
     

     

    

   

   

    

     
      

       
       
       
       
      

     
     
     
    

   

  

  

   

    
    

     Screenshot
    

    

     Expand-Icon
    

    

     Exit-Icon
    

   

   

    

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