Analysis

  • max time kernel
    176s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:23

General

  • Target

    f973d9e1e4be678056cc402a8e72e474fcfca0799938fc89e0f6cdcf9203c0a2.exe

  • Size

    53KB

  • MD5

    d0422977806bae4cfe7d440920a0b00c

  • SHA1

    3c92b7949783dd84ff86319b7780506cfc4e2853

  • SHA256

    f973d9e1e4be678056cc402a8e72e474fcfca0799938fc89e0f6cdcf9203c0a2

  • SHA512

    7bb49a62890d82006ab8fb99019aed1da6c611c52ec8f2aa885fdff67352ce47c9b2c748592e3673882a7733fe396f202d13a46e006fa3d32ccdbd27920119ad

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>qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.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>qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion<br> </a> 4. Start a chat and follow the further instructions. <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> <p>* To contact us, create a new free email account on the site: <a href="https://protonmail.com">protonmail.com <br> <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 2 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 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\f973d9e1e4be678056cc402a8e72e474fcfca0799938fc89e0f6cdcf9203c0a2.exe
    "C:\Users\Admin\AppData\Local\Temp\f973d9e1e4be678056cc402a8e72e474fcfca0799938fc89e0f6cdcf9203c0a2.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    PID:1872
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3836
  • 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:3648

Network

MITRE ATT&CK Enterprise v6

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Downloads