2e0490c6...f34d | VMRay Analyzer Report
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VTI SCORE: 100/100
Dynamic Analysis Report
Classification: Ransomware, Wiper

reaItek.exe

Windows Exe (x86-32)

Created at 2019-06-03T19:04:00

...

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 (14 rules, 24 matches)

Severity Category Operation Count Classification
5/5
Local AV Malicious content was detected by heuristic scan 2 -
4/5
File System Modifies content of user files 1 Ransomware
  • Modifies the content of multiple user files. This is an indicator for an encryption attempt.
    ...
4/5
File System Deletes user files 1 Wiper
  • Deletes multiple user files. This is an indicator for ransomware or wiper malware.
    ...
4/5
OS Modifies Windows automatic backups 1 -
2/5
Anti Analysis Resolves APIs dynamically to possibly evade static detection 1 -
1/5
Process Creates system object 2 -
  • Creates mutex with name "Global\syncronize_AZ4I6DA".
    ...
  • Creates mutex with name "Global\syncronize_AZ4I6DU".
    ...
1/5
File System Modifies operating system directory 1 -
1/5
Persistence Installs system startup script or application 3 -
  • Adds "C:\WINDOWS\System32\reaItek.exe" to Windows startup via registry.
    ...
  • Adds "c:\users\fd1hvy\appdata\roaming\microsoft\windows\start menu\programs\startup\reaitek.exe" to Windows startup folder.
    ...
  • Adds "c:\programdata\microsoft\windows\start menu\programs\startup\reaitek.exe" to Windows startup folder.
    ...
1/5
Process Creates process with hidden window 1 -
  • The process "C:\WINDOWS\system32\cmd.exe" starts with hidden window.
    ...
1/5
Masquerade Changes folder appearance 2 -
  • Folder "c:\$recycle.bin\s-1-5-18" has a changed appearance.
    ...
  • Folder "c:\$recycle.bin\s-1-5-21-1051304884-625712362-2192934891-1000" has a changed appearance.
    ...
1/5
Process Reads from memory of another process 2 -
  • "c:\windows\system32\cmd.exe" reads from "C:\WINDOWS\system32\mode.com".
    ...
  • "c:\windows\system32\cmd.exe" reads from "C:\WINDOWS\system32\vssadmin.exe".
    ...
1/5
File System Modifies application directory 5 -
  • Modifies "c:\program files\common files\microsoft shared\clicktorun\c2rheartbeatconfig.xml.id-b4197730.[basecrypt@aol.com].bsc".
    ...
  • Modifies "c:\program files\common files\microsoft shared\clicktorun\officeupdateschedule.xml.id-b4197730.[basecrypt@aol.com].bsc".
    ...
  • Modifies "c:\program files\common files\microsoft shared\clicktorun\servicewatcherschedule.xml.id-b4197730.[basecrypt@aol.com].bsc".
    ...
  • Modifies "c:\program files\common files\microsoft shared\ink\en-us\boxed-correct.avi".
    ...
  • Modifies "c:\program files\common files\microsoft shared\ink\fsdefinitions\keypad\ea.xml".
    ...
1/5
File System Creates an unusually large number of files 1 -
0/5
Process Enumerates running processes 1 -

Screenshots

Monitored Processes

Process Graph

Process Graph Legend

Sample Information

ID #672377
MD5 192fed92c8fe3eddc5734e18cdc1b097 Copy to Clipboard
SHA1 ee24d152c7270cc4fd45fd88dea2b8fdc9fe39d6 Copy to Clipboard
SHA256 2e0490c69212fb4ad20cd342bc8d257450f7602930700dc582196032d572f34d Copy to Clipboard
SSDeep 1536:mBwl+KXpsqN5vlwWYyhY9S4Afn/VfqritEYSBIhxDeMc8IR9:Qw+asqN5aW/hLp/VCri7DdIR Copy to Clipboard
ImpHash f86dec4a80961955a89e7ed62046cc0e Copy to Clipboard
Filename reaItek.exe
File Size 92.50 KB
Sample Type Windows Exe (x86-32)

Analysis Information

Creation Time 2019-06-03 21:04 (UTC+2)
Analysis Duration 00:05:25
Number of Monitored Processes 4
Execution Successful True
Reputation Enabled True
WHOIS Enabled True
Local AV Enabled True
YARA Enabled True
Number of AV Matches 2
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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