Analysis

  • max time kernel
    168s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:34

General

  • Target

    bee85c5f61d309da7233e27c7f015ced560ac4edf077aa6a50d06449aa80b3da.exe

  • Size

    53KB

  • MD5

    f283fabf3798df9e624869ac18976b12

  • SHA1

    d937c2e7f6edd6d386ca1afc71ace3ecb3b3de63

  • SHA256

    bee85c5f61d309da7233e27c7f015ced560ac4edf077aa6a50d06449aa80b3da

  • SHA512

    cab9c619dd294a91c8de9f6796344684a6ca828fd8334d49a3a85cfa65dbb3f996e2ec5631727e06c57c681794977052daaac2dd004997c04be748a273629682

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 7 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 20 IoCs
  • Drops file in Windows directory 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bee85c5f61d309da7233e27c7f015ced560ac4edf077aa6a50d06449aa80b3da.exe
    "C:\Users\Admin\AppData\Local\Temp\bee85c5f61d309da7233e27c7f015ced560ac4edf077aa6a50d06449aa80b3da.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:3936
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3884
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3884-130-0x000001B20CB30000-0x000001B20CB40000-memory.dmp

    Filesize

    64KB

  • memory/3884-131-0x000001B20CB90000-0x000001B20CBA0000-memory.dmp

    Filesize

    64KB

  • memory/3884-132-0x000001B20F880000-0x000001B20F884000-memory.dmp

    Filesize

    16KB