Analysis

  • max time kernel
    163s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 07:02

General

  • Target

    3c238188578c7ddaeb47ea49eb87e50f4861bb660edb3d29f4bdae5ef9cef677.exe

  • Size

    53KB

  • MD5

    6d4378b248e1856fe16c91481b0dbaf3

  • SHA1

    9c975621d186a72ad782cef0d147b224607a1ce5

  • SHA256

    3c238188578c7ddaeb47ea49eb87e50f4861bb660edb3d29f4bdae5ef9cef677

  • SHA512

    e42f8c2999684dcf49e035f1289560064eda42748f2f1ee372f2c9aab6216bbee758b313d875680caed2c2a4ab2723b79049a19b77c0568b5f5168706a5e3e89

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 files are encrypted! &#9760;</h1> <hr/> <h3>All your important data has been encrypted.</h3> <br/> <div class="text"> <!--text data --> To recover data you need decryptor.</br> To get the decryptor you should:</br> <p>Send 1 test image or text file <span> [email protected]</span>.</br> 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> <center>Attention!</center></br> <ul> <li>Only [email protected] can decrypt your files</li> <li>Do not trust anyone [email protected]</li> <li>Do not attempt to remove the program or run the anti-virus tools</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>
Emails

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 21 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c238188578c7ddaeb47ea49eb87e50f4861bb660edb3d29f4bdae5ef9cef677.exe
    "C:\Users\Admin\AppData\Local\Temp\3c238188578c7ddaeb47ea49eb87e50f4861bb660edb3d29f4bdae5ef9cef677.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:2244
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1760
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2104

Network

MITRE ATT&CK Enterprise v6

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Downloads