Analysis

  • max time kernel
    175s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 07:00

General

  • Target

    4343749c8d6b79e9d25c0a9b53de331edb340472dcc949680a9d1a1fc7de88da.exe

  • Size

    53KB

  • MD5

    e4fd7157b23ed237cff07f1ab35636d8

  • SHA1

    f6e8188ada1b5d0bbbe986091d12d8e7fb5d4f67

  • SHA256

    4343749c8d6b79e9d25c0a9b53de331edb340472dcc949680a9d1a1fc7de88da

  • SHA512

    6493bb7bbd80a31675ec4a0bdf954c081b3ffe38f4fc16efb8aeac29d5aabdb87bf4012ac60a0d30742f63096513d74f7e86b299bc852cd5553d5ed1ade0ba6e

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 8 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
  • Modifies data under HKEY_USERS 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4343749c8d6b79e9d25c0a9b53de331edb340472dcc949680a9d1a1fc7de88da.exe
    "C:\Users\Admin\AppData\Local\Temp\4343749c8d6b79e9d25c0a9b53de331edb340472dcc949680a9d1a1fc7de88da.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    PID:3988
  • 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:3092

Network

MITRE ATT&CK Enterprise v6

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Downloads