Analysis

  • max time kernel
    168s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 06:59

General

  • Target

    473f151301f56a5f9836316ffb1c0719b05846b940c6618e8231c087d481b63e.exe

  • Size

    55KB

  • MD5

    6745c8f0bfb205ea7d5cb686d1af8d87

  • SHA1

    16075c5a58e68d9b66626eb6a0970176ba9ac569

  • SHA256

    473f151301f56a5f9836316ffb1c0719b05846b940c6618e8231c087d481b63e

  • SHA512

    5a79ef7a823fa5ac0ddffa7e164539f2d84e0ccf1cbdcd53fde099c0dd86b10c34afa61cb88356f2e7f7be44c352f653a06d27cb573645eb7dd2f109bc8b1aef

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: 5px; color: #FF0000; background: #303030; } .tabs1 .identi { margin-left: 0px; 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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p> </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>&#9763; Your files are encrypted! &#9763;</h1> <hr/> <h3> &#11015 To decrypt, follow the instructions below. &#11015 </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> <font color="FF0000"> [email protected] </font></span></br> (Or alternate mail <font color="FF0000"> [email protected] </font>)<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> 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> <hr color=red> <center><p style="color:#FF0000">MOST IMPORTANT!!!</p></center> <center><p style="color:#FF0000"> Do not contact other services that promise to decrypt your files, this is fraud on their part! They will buy a decoder from us, and you will pay more for his services. No one, except [email protected], will decrypt your files.</p></center> <hr color=red> <ul> <li>Only [email protected] can 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--> </ul> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\473f151301f56a5f9836316ffb1c0719b05846b940c6618e8231c087d481b63e.exe
    "C:\Users\Admin\AppData\Local\Temp\473f151301f56a5f9836316ffb1c0719b05846b940c6618e8231c087d481b63e.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1600-54-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

    Filesize

    8KB