Analysis

  • max time kernel
    183s
  • max time network
    200s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:39

General

  • Target

    a647a99d0980da409a439c9695cf17b75b18b13679e00cb015d552d998cbc891.exe

  • Size

    53KB

  • MD5

    abeb80f78b13f072b5da2321ef7c2772

  • SHA1

    e38725e02e163342cd5612f1eeab2c9782f4650e

  • SHA256

    a647a99d0980da409a439c9695cf17b75b18b13679e00cb015d552d998cbc891

  • SHA512

    639571e3c81154289ae5f25ed078ad4240af5f3cb23032e45a0ae64bfef9ee0925f9c19a2f276094a25fa46d138f80fdbe1ced950882f9466cc76543e0a8af3d

Malware Config

Extracted

Path

C:\how_to_back_files.html

Ransom Note
<html> <style type="text/css"> body { background-color: #f5f5f5; } h1, h3{ text-align: center; text-transform: uppercase; font-weight: normal; } /*---*/ .tabs1{ display: block; margin: auto; } .tabs1 .head{ text-align: center; float: top; padding: 0px; text-transform: uppercase; font-weight: normal; display: block; background: #81bef7; color: #DF0101; font-size: 30px; } .tabs1 .identi { font-size: 10px; text-align: center; float: top; padding: 15px; display: block; background: #81bef7; color: #DFDFDF; } .tabs .content { background: #f5f5f5; /*text-align: center;*/ color: #000000; padding: 25px 15px; font-size: 15px; font-weight: 400; line-height: 20px; } .tabs .content a { color: #df0130; font-size: 23px; font-style: italic; text-decoration: none; line-height: 35px; } .tabs .content .text{ padding: 25px; line-height: 1.2; } </style> <body> <div class="tabs1"> <div class="head" ><b>Your personal ID:</b></div> <div class="identi"> <span style="width:1000px; color: #ffffff; font-size: 10px;">����������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span> <br> <!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <div class="tab"> <div id="tab-content1" class="content"> <div class="text"> <!--text data --> <b>/!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\</b><br> <b>All your important files have been encrypted!</b><br><br> <hr> Your files are safe! Only modified. (RSA+AES)<br><br> ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE<br> WILL PERMANENTLY CORRUPT IT.<br> DO NOT MODIFY ENCRYPTED FILES.<br> DO NOT RENAME ENCRYPTED FILES.<br><br> No software available on internet can help you. We are the only ones able to<br> solve your problem.<br><br> We gathered highly confidential/personal data. These data are currently stored on<br> a private server. This server will be immediately destroyed after your payment.<br> If you decide to not pay, we will release your data to public or re-seller.<br> So you can expect your data to be publicly available in the near future..<br><br> We only seek money and our goal is not to damage your reputation or prevent<br> your business from running.<br><br> You will can send us 2-3 non-important files and we will decrypt it for free<br> to prove we are able to give your files back.<br><br> <!--text data --> <hr> <b>Contact us for price and get decryption software.</b><br><br> <a>.onion</a><br> * Note that this server is available via Tor browser only<br><br> Follow the instructions to open the link:<br> 1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site.<br> 2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it.<br> 3. Now you have Tor browser. In the Tor Browser open <a>.onion </a><br> 4. Start a chat and follow the further instructions. <br><br> <hr> <b>If you can not use the above link, use the email:</b><br> <a href="[email protected]">[email protected] </a> <br><a href="[email protected]">[email protected]</a> <br> <b>* To contact us, create a new free email account on the site:</b> <a href="https://protonmail.com">protonmail.com<br> <hr> <b> IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</b><br> </div> </div> </div> <!--tab--> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 14 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 17 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 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a647a99d0980da409a439c9695cf17b75b18b13679e00cb015d552d998cbc891.exe
    "C:\Users\Admin\AppData\Local\Temp\a647a99d0980da409a439c9695cf17b75b18b13679e00cb015d552d998cbc891.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:3204
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3408
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Modifies data under HKEY_USERS
    PID:1628

Network

MITRE ATT&CK Enterprise v6

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Downloads