Analysis

  • max time kernel
    176s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:35

General

  • Target

    b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe

  • Size

    56KB

  • MD5

    839b30a340e8a29a3c559b5edac0e1ed

  • SHA1

    5189cf40248c1af99120e5650947929b7582ab4c

  • SHA256

    b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb

  • SHA512

    97b84b854ab96dfceeb11ac9eba0258e2a07358ebf506da7518a22f14e6b782b221029f77687d67147142867d3ae5189541da9cdd0834c2894c75429c8a93b19

Malware Config

Extracted

Path

C:\how_to_back_files.html

Ransom Note
<html> <style type="text/css"> body { background-color: #404040; } { margin: 0; padding: 0; } h1, h3{ text-align: center; text-transform: uppercase; font-weight: normal; } /*---*/ .tabs1{ width: 800px; display: block; margin: auto; position: relative; } .tabs1 .head{ text-align: center; float: top; text-transform: uppercase; font-weight: normal; display: block; padding: 15px; color: #000000; background: #4A83FD; } .tabs1 .identi { margin-left: 15px; line-height: 13px; font-size: 13px; text-align: center; float: top; display: block; padding: 15px; background: #303030; color: #DFDFDF; } /*---*/ .tabs{ width: 800px; display: block; margin: auto; position: relative; } .tabs .tab{ float: left; display: block; } .tabs .tab>input[type="radio"] { position: absolute; top: -9999px; left: -9999px; } .tabs .tab>label { display: block; padding: 6px 21px; font-size: 18x; text-transform: uppercase; cursor: pointer; position: relative; color: #FFF; background: #4A83FD; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 32px; left: 0; background: #303030; color: #DFDFDF; opacity:0; transition: opacity 400ms ease-out; } .tabs .content .text{ width: 700px; padding: 25px; } .tabs>.tab>[id^="tab"]:checked + label { top: 0; background: #303030; color: #F5F5F5; } .tabs>.tab>[id^="tab"]:checked ~ [id^="tab-content"] { z-index: 1;/* or display: block; */ opacity: 1; transition: opacity 400ms ease-out; } </style> <head> <meta charset="utf-8"> <title>HOW TO DECRYPT YOUR FILES</title> </head> <body> <div class="tabs1"> <div class="head" ><h3>Your personal ID</h3></div> <div class="identi"> <pre>���������������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pre><!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <div class="tab"> <input type="radio" name="tabs" checked="checked" id="tab1" /> <label for="tab1">English</label> <div id="tab-content1" class="content"> <h1>&#9760; Your corporate network locked! &#9760;</h1> <hr/> <h3>All your important data has been encrypted.</h3> <br/> <div class="text"> <!--text data --> <h3>To restore files you will need a decryptor!</h3> <center>To get the decryptor you should:</center></br> <center>Pay for decrypt your network - 5 BTC </center></br> <div align="left"> <strong>Buy BTC on one of these sites</strong> </div> <div align="left"> <ol> <li><strong>https://localbitcoins.com</strong></li> <li><strong>https://www.coinbase.com</strong></li> <li><strong>https://xchange.cc</strong></li> </ol> </div> <div align="left"> <h1><br> </h1> </div> <div align="left"> &#10004; Bitcoin adress for pay: 1J4c1jQy13jJegPtfpEyQb3pqSXo41Mad2 <center> </center></br> &#10004; Send 5 BTC for decrypt <center> </center></br> &#10004; Send screenshot of payment to [email protected] or [email protected] - In letter include your personal ID (look at beginning of this document) <center> </center></br> <center>----------------------------------------------------------------------------- </center></br> <center> Attention!</center></br> <ul> <li> 5 BTC this is price for all PC/Servers in your corporate NetWork ! <li> Only our team can decrypt your files.</li> <li> No Payment = No decryption!</li> <li> You really get decryptor after payment. As a guarantee you can send 1 test image or text file to our email (In letter include your personal ID)</li> <li> Do not attempt to remove program or run any anti-virus tools! This doesn't help &#9786; </li> <li> Decoders of other users are not compatible with your data, because each user's have unique encryption key!!!</li> <li> Attempts of self-decrypting files will result in loss of your data </li> <center> </center></br> <center> </center></br> <center> </center></br> <center> &#169; 2018 Globeimposter 2.0 | All Rights Reserved.</center></br> </ul> <!--text data --> </div> </div> </div> <!--tab--> </ul> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html> �������������
Wallets

1J4c1jQy13jJegPtfpEyQb3pqSXo41Mad2

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 9 IoCs
  • Drops file in Windows directory 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe
    "C:\Users\Admin\AppData\Local\Temp\b90a7122ef145d6f5614e2abf23823021fd1d567180c33ff3498f0682f7eb3cb.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:4992
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3884-130-0x000001D242760000-0x000001D242770000-memory.dmp

    Filesize

    64KB

  • memory/3884-131-0x000001D242D20000-0x000001D242D30000-memory.dmp

    Filesize

    64KB

  • memory/3884-132-0x000001D245390000-0x000001D245394000-memory.dmp

    Filesize

    16KB