General

  • Target

    NFs.exe

  • Size

    53KB

  • Sample

    221007-rrfbaschdl

  • MD5

    59e3542c4d5293a1a12b2bb6cb357d92

  • SHA1

    f31322bc47eec5f5c7da0e46f23fb868c982daa1

  • SHA256

    facc02c8d7a9927e3e1276f8122a2656136af1b8817511ed350b678b46407098

  • SHA512

    85609e3598058b066af991bd8b665d4c9cda4e8b1de5429c20af354ee32fb29d7c3c1debcfcdd2fea760d1df29c3aaf3bc2d0e072601ed142661b9ef4313a939

  • SSDEEP

    768:F6vuye1kVtGBk6P/v7nWlHznbkVwrEKD9yDwxVSHrowNI2tG6o/t84B5YW:F4eytM3alnawrRIwxVSHMweio3+

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>

Extracted

Path

C:\Users\Admin\Desktop\how_to_back_files.html

Family

medusalocker

Ransom Note
Your personal ID: ����������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ll your important files have been encrypted! Your files are safe! Only modified. (RSA+AES) ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE WILL PERMANENTLY CORRUPT IT. DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES. No software available on internet can help you. We are the only ones able to solve your problem. We gathered highly confidential/personal data. These data are currently stored on a private server. This server will be immediately destroyed after your payment. If you decide to not pay, we will release your data to public or re-seller. So you can expect your data to be publicly available in the near future.. We only seek money and our goal is not to damage your reputation or prevent your business from running. You will can send us 2-3 non-important files and we will decrypt it for free to prove we are able to give your files back. Contact us for price and get decryption software. qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion * Note that this server is available via Tor browser only Follow the instructions to open the link: 1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site. 2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it. 3. Now you have Tor browser. In the Tor Browser open qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion 4. Start a chat and follow the further instructions. If you can not use the above link, use the email: [email protected] [email protected] * To contact us, create a new free email account on the site: protonmail.com IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.

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>

Targets

    • Target

      NFs.exe

    • Size

      53KB

    • MD5

      59e3542c4d5293a1a12b2bb6cb357d92

    • SHA1

      f31322bc47eec5f5c7da0e46f23fb868c982daa1

    • SHA256

      facc02c8d7a9927e3e1276f8122a2656136af1b8817511ed350b678b46407098

    • SHA512

      85609e3598058b066af991bd8b665d4c9cda4e8b1de5429c20af354ee32fb29d7c3c1debcfcdd2fea760d1df29c3aaf3bc2d0e072601ed142661b9ef4313a939

    • SSDEEP

      768:F6vuye1kVtGBk6P/v7nWlHznbkVwrEKD9yDwxVSHrowNI2tG6o/t84B5YW:F4eytM3alnawrRIwxVSHMweio3+

    • GlobeImposter

      GlobeImposter is a ransomware first seen in 2017.

    • MedusaLocker

      Ransomware with several variants first seen in September 2019.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks