Analysis

  • max time kernel
    176s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:55

General

  • Target

    55e12521d3f5497a87545453fb6697917d0ac381e1f319d0d855a6c88342cac3.exe

  • Size

    53KB

  • MD5

    edd6deea4d3a250791bd73fcecade5fa

  • SHA1

    cf9e35a45ac13955cef15853032238edda0a67e6

  • SHA256

    55e12521d3f5497a87545453fb6697917d0ac381e1f319d0d855a6c88342cac3

  • SHA512

    58164b91e13e23030dc73471bea65d9554b3f673feb836879eb04ed69b896e58aa30790635cfcd67a3fa0893b8442f1a66907cddee946cb5643d2987fedbb4c8

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 </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 2 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 24 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\55e12521d3f5497a87545453fb6697917d0ac381e1f319d0d855a6c88342cac3.exe
    "C:\Users\Admin\AppData\Local\Temp\55e12521d3f5497a87545453fb6697917d0ac381e1f319d0d855a6c88342cac3.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:3776
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2852
  • 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:4012

Network

MITRE ATT&CK Enterprise v6

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Downloads