Analysis

  • max time kernel
    170s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 06:33

General

  • Target

    c28d8ba78477758c2f4a803436688b918c59499bc29dd46484155051d1bad68e.exe

  • Size

    53KB

  • MD5

    48cfed1d6a883817c6042ff7fa789ceb

  • SHA1

    55bb7f2c857fdc6d5fcc0e89e138b55b66989cd8

  • SHA256

    c28d8ba78477758c2f4a803436688b918c59499bc29dd46484155051d1bad68e

  • SHA512

    dfc6f56874fbc4ba2f3f45e0b0e2787933597715c22a9e7d972fde2b35ae4bcdd7bc6d90c497d579adf38007f0e09f94cff6544f43ebf72267c84a253ed7a1f2

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 10 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 27 IoCs
  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c28d8ba78477758c2f4a803436688b918c59499bc29dd46484155051d1bad68e.exe
    "C:\Users\Admin\AppData\Local\Temp\c28d8ba78477758c2f4a803436688b918c59499bc29dd46484155051d1bad68e.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/808-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB