Analysis

  • max time kernel
    171s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 07:03

General

  • Target

    384d9c5897a5db25b373a0bd0841929a13683c9f374c81b493e7bec0a520aa6f.exe

  • Size

    53KB

  • MD5

    354f1e5bbdc592c7f96280c9424dd886

  • SHA1

    0b0653212a402c5d885ef38b596ac64a617e1161

  • SHA256

    384d9c5897a5db25b373a0bd0841929a13683c9f374c81b493e7bec0a520aa6f

  • SHA512

    e4f309fc1893a9f03c901161c6faaa189ba63eda287f8b2d5803016569375ba8f8abe7ad22d71464ad4fe471b95ab793687e6989c8fbdddb737222c7499f5940

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 5 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) 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\384d9c5897a5db25b373a0bd0841929a13683c9f374c81b493e7bec0a520aa6f.exe
    "C:\Users\Admin\AppData\Local\Temp\384d9c5897a5db25b373a0bd0841929a13683c9f374c81b493e7bec0a520aa6f.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:8
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2320
  • 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:2168

Network

MITRE ATT&CK Enterprise v6

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Downloads