Analysis

  • max time kernel
    155s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 06:32

General

  • Target

    c77a3398f92fc472a6536f8c5078789b6c1e157a4d4d4b343bfb320d00b8707a.exe

  • Size

    53KB

  • MD5

    c5a90ccf99e848e1d3658892798e4952

  • SHA1

    1ed2f4c279ec742d1671cf564cb2ad2074d3e885

  • SHA256

    c77a3398f92fc472a6536f8c5078789b6c1e157a4d4d4b343bfb320d00b8707a

  • SHA512

    9e0b92f18cf6a73b9caa2d29d14603d90cd600a6dfcbbfc6ea394852746b020bc504eeefce0c75d279dab5bc21dab51643b417685f9a824758cbd9cd856f914f

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"> <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 files are encrypted! &#9760</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 as proof and assign the price for decryption all files.<p></p> 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> <center><b><p style="color: #ffff66;">MOST IMPORTANT!!!</p></center> <hr color="#ffff66"> <center><p style="color: #ffff66;"> We are ready to work through intermediaries and guarantors. </b></p></center> <hr color="#ffff66"> <ul> <li>Only decoder_master proof can decrypt your files.</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 users unique encryption key. </li> </ul> <!--text data --> </div> </div> </div> <!--tab--> </ul> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>
Emails

[email protected]</span><br>

class="letter">[email protected]</span>)</p><p>

URLs

http-equiv="Content-Type"

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 4 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) 27 IoCs
  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c77a3398f92fc472a6536f8c5078789b6c1e157a4d4d4b343bfb320d00b8707a.exe
    "C:\Users\Admin\AppData\Local\Temp\c77a3398f92fc472a6536f8c5078789b6c1e157a4d4d4b343bfb320d00b8707a.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:1924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1924-54-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

    Filesize

    8KB