General

  • Target

    6da9c76a6e319c17f1d39e0ae2eaf2af

  • Size

    669KB

  • Sample

    240121-wkgb8sgaf4

  • MD5

    6da9c76a6e319c17f1d39e0ae2eaf2af

  • SHA1

    d8743d22c816de1b1807a64d2bdde6baea838cd0

  • SHA256

    461f8a55ea2eecfcc26562326af4b56fbaf8e4957a4a6e0b75bec8ee90ace078

  • SHA512

    70c3e123f887556ac42bb58d730b59d8d2df1cca4d3e895f79fb6cfa5c1a63a64d46bc6fdc23c711be7b966aaf80d2fb7e83f52bdf4c096cbc946f5a6c976db0

  • SSDEEP

    12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DnKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWmKrKe

Malware Config

Extracted

Path

\Device\HarddiskVolume1\Boot\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;">28AEBE11114230133E9F7EC888755EC9334B6F2D3E19098BD343C1328BFEA9CE51974303BBBADFF101E7F49DA0B6C16A906E6A3D4DB2186A77719978DFC75485<br>A6B1A2A777175C5C65C3FE9EFE7C6B2879A8732E6389989A62CCB9564CE3DF6212510A3510AFF8CB8092201ACA22CEB9F87990269A899A34ADAE118C0746<br>058A589F0221602CD7D0F9779348E7B7A8976E41165D761E650D52A37386E8FB3F59F6F469B763B993B9DDAA79EE7B8650FF0083FC7F758EF3C59483D54A<br>A466E3F05D699C8FDFD2B8889556DEA3E2C7B724293F7D9B9E80E5B5096AEF357BE8CDFDFDCF124DCE4A7E0BD7239F267CC1C8975D1C3454CC1D34A8C709<br>BB193C18E6AF426BAB68796CDB56B6EA0DD9B54C6AA1F73838E721DC98B5F7A9CBFD932BE6763F16C7DB413428F67112E814AD25DFB4F9B40F9A4BFE5484<br>BAD4C673DBB6AC86159328C4BDAE72AA5107F30E2DBE09B5FAC98648EBEA823162CA5F4856ED18F5B7A20220E489E12437C9AA3FDD6365E5815D977F83E8<br>3EC16FF00CC463309E1C2F4A3466BDD781DAA15E8916C7CBC423FB9D6C84591C2C1CF70D57073F987AAF638C5D94800097869DEF67A4A0F6BDE65EE53E3A<br>40A02C51A373AF6CD9C1F40BD60D97F1DA337F3DEA22CFA2A0642728762B30423F7E0EB81BE1CE469B3F05E9A6B5E14267EAC1A1FC7AAE948B1BF619E844<br>1D513628EFFCAE3F18959DC1FC75</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>

Extracted

Path

\Device\HarddiskVolume1\Boot\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;">85167CF1D70A8647F8A9247962547AC098C20C358A30220D5CC15200E2CEF3E01075630CE3FE42923CDD220F234E3228E786DE23D60FEDBF55A438C7AB934EA3<br>BD412C2B5B70980C03519DC736294FFD893001E75FF9A73FD02CB30B5802E06346790E2A5618F40A0156DFCC9086A86C7614852D8B95D8D8004596AE0BB5<br>8E4699C06651EBB1AD13495A525FA3F08667FB5FBEDC49E49B35258B2145CEE7183FE0104069CD77FB93A3C22AA9C3AA6525439E37E21F70DB01B4C828AA<br>DF5B5220361FDADDC5B877DD47D4CB961FD01AE4CD9CDDFDE5CBC9F503960C0FCC6C5F810946C7564326C365000768E37709EEC420ED69024EA61F43ECC4<br>9189405F2C5624AEF16634BF59ED666B5C78B0C081EF1C7AFE19E7631019A79C0D7EEA5EDC4DF4A138582637B59A6F40DCE2CFEC8D8AB824F1A6C4FAB8E0<br>980B0FA22006486E4FCF3D41F0E3C5814F4870BECCD0E0C1E38EDF4325EBBAFBE09B0BF814AA8CE84C53A152F6B202E0E84D06B5EE092A137616F1FBCF10<br>76CAFE48ED00B3823F7908F9460A142D294088C4E2DD7C393F0DEBD1FADECE3CDD35A72BD1C95B4E47BCAAA38DA71F9C071BB1E6665F979C391EE950F743<br>B77C3FFEEC6EF80DEAAF04287CC00ECEC5ADF4AAF2669B9E6A5946F1591E620F954372FB14AEBEF5449B3DE7A625A8913394B89330496FDB2277B4D193EC<br>1390499C52BAA5C7808F032FD36F</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>

Targets

    • Target

      6da9c76a6e319c17f1d39e0ae2eaf2af

    • Size

      669KB

    • MD5

      6da9c76a6e319c17f1d39e0ae2eaf2af

    • SHA1

      d8743d22c816de1b1807a64d2bdde6baea838cd0

    • SHA256

      461f8a55ea2eecfcc26562326af4b56fbaf8e4957a4a6e0b75bec8ee90ace078

    • SHA512

      70c3e123f887556ac42bb58d730b59d8d2df1cca4d3e895f79fb6cfa5c1a63a64d46bc6fdc23c711be7b966aaf80d2fb7e83f52bdf4c096cbc946f5a6c976db0

    • SSDEEP

      12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DnKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWmKrKe

    • 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 (317) 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.

    • 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