General

  • Target

    6f768b5db1b4c7ec2df1a8d012814e8903b0a1f0b1d3b7bdfff447a2cd24a281

  • Size

    231KB

  • Sample

    240719-137z5asflr

  • MD5

    c619d1b49a183011ea3dc99347aaa77f

  • SHA1

    271e7714874f2577fcda702c19b42e3471094a1e

  • SHA256

    6f768b5db1b4c7ec2df1a8d012814e8903b0a1f0b1d3b7bdfff447a2cd24a281

  • SHA512

    b717f2b06314826a15783786af2da26eb3d9e8598854535a0567d66b9227b3a0db7234e7eec58add7d078de6f5f3d91169a2612ea0a6e23deebe52904475ba09

  • SSDEEP

    6144:BjVD0s8mf31trSqSgdRF7Kt5CIWR0XYI6r4J7V0zqO5x69:BRDhhteXgs5i4Jh0zbj69

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\HOW_TO_RECOVER_DATA.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;">46B82A4E378139B271CD4D88A5C434EC0D3858D3128A6B7FC50F5D293DA898F91613F41CEC4638BDBE8D8089C734CC161A525FDF8B2E2B4CF255295009F9D860<br>FC24356464130CDD28C0EA6EC5CA666638F4921B4275E93B56AA42FE2384E7CD8784A00810B8C69A8AF5781ADE43571228543470CB7E5CA6CB1A8F89C9DB<br>097C24BEE1F0FF90EDAAF5304E1FD1723EFAD9E5873F2748858D83341CAE011567C0025280F2F370EFD6AF09D931DD136998242CB6EDEA08A0FE7171A1FC<br>D793D0FE2EF389ECE04EB3CD47E0FF88726413AB816115673B0741BF18A687CDDAB42683010C1FCDD70FEF20E0BAA647BE6C790E9765FA649C1F3D658B6F<br>41305E1FF71D84841F96E9D9516CEDC636A389BDF45519A2FB79369DF0DF90DD38081A284688F4F850AF09982B8D7ED18A5B21E8CA3D11CAFBED1BC81A27<br>76A1B8DBA9C2B4BD2AF21C04053650D79A908F1D5DB84F989EF0DF3AD746B5960DB9DE7543C34D56AF52DE99D096FFA6EB4531271544A5AFA57C4D75ADE4<br>03D64F66E3FF0522C20153CA007B06D7D666A63F5EBB9782AE01E481E00D7FDB1CA5FF2557C9A9C6ADC48B81773FA49A81B81C759AEDEC607DE82A392008<br>351F9BF384412EDB9C6A355C6031AE8ECB94B310F6C5F8160AA8ABD2FDE3523864135D1CF0200BFDFBF60B2A8E88E8E0EFC8C519271CA091D4EEDF2DA705<br>281DEE583AFBEAE9598C8E249432</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

\Device\HarddiskVolume1\HOW_TO_RECOVER_DATA.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;">AB0CD873A192AD98F31B2872115DD8125855628CDF8EC38158974992F6E26724376F34797A9C866D58F11E284DA6892C744CAFEFCE85B6FF2C13011583C2B5FE<br>D9BC4DDA73C3041AEEE28E920E03CC98A8543C23C4FAEF5C017298D968DA2731FC3E1120C8545E2ED437F4EF5ACCD4558482BADCD3DA84A34CF9DACCE62D<br>D239F2C6DE3694349689CE353DF4E81FDAA6AF31C28907F24DF2CF0271A4F1FA9B9F886C64A65F1668A0AD4AA09129D1027AB066CEA91CE07430D139CBF1<br>A89A041847C9E47E5927E5DC02F2E80403BB6BF1E600CBB6358D9396E578961DEF4718AAD6F9D67E1BC7C1374D276E0A7E0F030ADF55525E288A6F71F044<br>DAF6DE9EAB619F71658982775905D6A135EEE7E5E944E5240B1B502AE39B0DEAA5D638FAC4BBAD00D648C33EB22348A66D9E48F304EE309CF4659621872E<br>DA2DF3348B819871C0AE00281B3D4E5182D40E8DFB76C28C6FE9BC9F68F41F640A51EBF1F88EF73236A3BF5C0FC889CA3CC8485B28F2651C3255BE100E81<br>F35D8E596E74446695A682644BD5163BBC190B7712A8267967126127887C3029A3497E2835075B3C7F6C81222A2A6C503C691CB4E79129E5614DE4E6A07B<br>426CF04E83363E0D04FC3DD548D71EBDA3B6431E3945C310C036A151166377ECB851F6CF530A00CDDDD17B022085ACAED5EB5B16BBAA5B6A943A64A30332<br>E8BCAFE8FD3317F9692364514629</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

      1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe

    • Size

      235KB

    • MD5

      f6f120d1262b88f79debb5d848ac7db9

    • SHA1

      1339282f9b2d2a41326daf3cf284ec2ae8f0f93c

    • SHA256

      1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281

    • SHA512

      1067c1a73cf891d651fa007f4ccc4452f32801fe3859933ef1bcc00985e35ce016fa6c601c0e3c10df2080fc9b8a776b2f18d40bd64dfb98177ab638c4b545bd

    • SSDEEP

      6144:c5vMUmRTTgwnfeP+Jx1cLNAIyBcc9WrEWUC4wQh/6BeX:/U8Tgufnx1cLNncgQWUUQh/+e

    • MedusaLocker

      Ransomware with several variants first seen in September 2019.

    • MedusaLocker payload

    • UAC bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (330) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v15

Tasks