Analysis

  • max time kernel
    154s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:58

General

  • Target

    4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe

  • Size

    55KB

  • MD5

    f191cec3e5b88c82e95915eba4458689

  • SHA1

    0a21e393fa24c428d2c9f987fe3d9e6b0eddea5b

  • SHA256

    4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5

  • SHA512

    568b5cc2de28b0c2639a5d2ea5ac6052d743f65281ae6bbf02108d4e7226c54533a1b2ce9ab3cf7357356314cb3ac5bd5ea28c5fca9e10f3d56829e9382f436a

Malware Config

Extracted

Path

C:\HOW_TO_BACK_FILES.html

Ransom Note
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <style type="text/css"> body { background-color: #252525; } { 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: 5px; color: #FF0000; background: #1C1A1B; } .letter { color: #FF0000; font-weight: 600 } .tabs1 .identi { margin-left: 0px; line-height: 13px; font-size: 13px; text-align: center; float: top; display: block; padding: 15px; background: #1C1A1B; color: #F1EADA; } /*---*/ .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: #F1EADA; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 32px; left: 0; background: #1C1A1B; color: #F1EADA; opacity:0; transition: opacity 400ms ease-out; } .tabs .content .text{ width: 700px; padding: 25px; } .tabs>.tab>[id^="tab"]:checked + label { top:0; background: #1C1A1B; color: #E29F12; } .tabs>.tab>[id^="tab"]:checked ~ [id^="tab-content"] { z-index: 1;/* or display: block; */ opacity: 1; transition: opacity 400ms ease-out; } </style> <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><span class="letter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span><p></p> </pre><!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <div class="tab"> <input name="tabs" checked="checked" id="tab1" type="radio"> <label for="tab1">English</label> <div id="tab-content1" class="content"> <h1>☣ Your files are encrypted! ☣</h1> <h3> To decrypt, follow the instructions below. </h3> <br> <div class="text"> <!--text data --> To recover data you need decryptor.<br> To get the decryptor you should:<br> <p>Send 1 crypted test image or text file or document to <span class="letter"> [email protected]</span><br> (Or alternate mail <span class="letter"> [email protected]</span>)</p><p> In the letter include your personal ID (look at the beginning of this document).</p> We will give you the decrypted file and assign the price for decryption all files<p></p> After we send you instruction how to pay for decrypt and after payment you will receive a decryptor and instructions We can decrypt one file in quality the evidence that we have the decoder.<br> <p> <hr color="#FF0000"> <center><b><p style="color: #FF0000;">MOST IMPORTANT!!!</p></center> <center><p style="color: #FF0000;"> You can not decrypt your files cheaper than we offer you. You can refer to other services that promise to decrypt you, BUT IT WILL BE MORE EXPENSIVE. No one, except [email protected], will decrypt your files with a guarantee 100%. </b></p></center> <hr color="#FF0000"> <ul> <li>Only [email protected] can with a guarantee decrypt your files </li> <li>Do not trust anyone besides [email protected]</li> <li>Antivirus programs can delete this document and you can not contact us later.</li> <li>Attempts to self-decrypting files will result in the loss of your data</li> <li>Decoders other users are not compatible with your data, because each user's unique encryption key</li> </ul> <!--text data --> </div> </div> </div> <!--tab--> <!--text data --> </div> <!--tab--> </body></html>
Emails
URLs

http-equiv="Content-Type"

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 23 IoCs
  • Drops file in Windows directory 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe
    "C:\Users\Admin\AppData\Local\Temp\4b2dba3f93addfb060c92789b8d3230ecaaa5d559e942a876c82dd384588cca5.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    PID:4220
  • 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:4436

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4436-130-0x000002B5D9360000-0x000002B5D9370000-memory.dmp

    Filesize

    64KB

  • memory/4436-131-0x000002B5D9920000-0x000002B5D9930000-memory.dmp

    Filesize

    64KB

  • memory/4436-132-0x000002B5DBFA0000-0x000002B5DBFA4000-memory.dmp

    Filesize

    16KB