General

  • Target

    45de70c85ece8763c685808eea085df4.exe

  • Size

    669KB

  • Sample

    240106-mcb8waefg9

  • MD5

    45de70c85ece8763c685808eea085df4

  • SHA1

    c9dd5313a661fd17b154ccb17a36e8399fc933a5

  • SHA256

    d595339cbbf415eca195eb3a0d9a8b6c9ff82a0cf36e4e867f5cef24503bb532

  • SHA512

    03a1d922711db1afc0a512151371c9a97a7478578c11591109537b1427aeac8b3ac44aa52c83439afe56e20134fd888bcaee1632f6046ce8edf0d99622fb362d

  • SSDEEP

    12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DNKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWgKrKe

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;">AC884AD863FC8497094671F8F8A7C10D9B6A37AA768144DD52F1AC146C2B8BD816D270C2EF1B2C86F10425AB304E4880B78203A01273C12A16AABA87DD033CD7<br>8241976F205DDF020A17BB491802203F154D1A742475C103304102C65285C0028FFFAF3073BB1648A3B583422F62DA0E8139312E496BE6B3A56118A0A514<br>B3A925D77CAC188BA735941E798E34F74F2125B9A8362F4FA1545E0AC7035A6CDF545F3FDA7801D55770957E91F72427C20CAED00152576EC68507F8966D<br>73933A0E977AA1019F493FC52DA7396D9564F962EE188C676DB912497149B2E92F9900FB02EE08F787689BC3B5CF800BFAED978CF03D4E12417273BF0ABA<br>60F68F42938C2C4B439D9EC964C6588BE6C980B6E2C683E07E9DFD40EB0A2AE0AB5C8FD0816E10E459CA70E6309D1D932C48AA1151843DA8A8040467AFCC<br>24FA25A4D6973C27D5979CB69132F713B7EB6F1BEABA9DF5EB194C5ED6C97E6C00B492E968DB90203E54DF97AF83A89AC4EB23F85ACD21A43A0F835971FD<br>836CABEF0BF0CF5560FB85FC4ABF0B7C42BF21989E78C8F13DC251E9BEB2D756EF6207E084324BBC79D1A86B295D687C06A2A7B7BD0673FC9F615D722204<br>3BEE7151F9C00033AFB71BFA30EBA3873CAC746CFDA43B218C51CB94CC7DCA5B789E1BC6D775067F0254A6C9585E41EA4C9D5B0176FA4A505B4810BA79C4<br>1ADF37FFB410C16FB0F2999D352B</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;">A007296DE5CBEAC62D6EDE32CD300D083EAA09C6D5BB9C109C208F558B4974591FA577DBC54F2AEC5E9FA79171E7FB739C481173F52B06B4A4A7BD49EC95C6FC<br>F8EC0BE2017A15C2A00ABE3576D61FCBD2BD23C3F346A18622AC17725AB4A575B447ACC35B08436F9BBA8CFB3207DEEDC3DCB5A4B43FDFE79CD135AC1F2D<br>48980EF690C268520699A222D875FD6A4D92D489C17991BB4A69143E456CF06E68295AD195FBBE3CE65E6ABBD9FA2243E18FF317EC70C5F9549F3710F5B4<br>E11C893C81BE67191B319E6D00282809F7114B345D00033246EBAE71A442DB92562D81E02DE6E0AA7361D8E94235E83B83EB60773AA21C108AC599C19C73<br>BBF9FB5F2F4550E3ACFBFF9B0690B92A452262A3193DFAD7C3FEAF038E89F6B1E2D53BCBE6AE39B3C93DDF49EAF31E68D6431154DCFA187D3C659588DA6C<br>28F0B7362E1E53998D45446BFFBB8752E2A4B39DBB4EF8C62B8B3E95B65FD467E70309D8EF23EF81629499D0255F4FE02BE0CDB5CA28E54A49A3F7CD2EBF<br>A267B9D3CF8F5C85001E38BD853FFCC82B8E0D6214B6AB19F91FDC5E83A0D043514331DDF82B5D385B02C08475F1214A47542E4941C3CD9FEB1832D4E04A<br>D8F335BA4805F499FB364AB63374DECAB95DA77E3BC66426DBB3FA2896C4870420F7F70C47CF4AE19E163D1C1A62C499963252467B41D813DF048D222753<br>E62913C70B1502F490B312F89E1E</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

      45de70c85ece8763c685808eea085df4.exe

    • Size

      669KB

    • MD5

      45de70c85ece8763c685808eea085df4

    • SHA1

      c9dd5313a661fd17b154ccb17a36e8399fc933a5

    • SHA256

      d595339cbbf415eca195eb3a0d9a8b6c9ff82a0cf36e4e867f5cef24503bb532

    • SHA512

      03a1d922711db1afc0a512151371c9a97a7478578c11591109537b1427aeac8b3ac44aa52c83439afe56e20134fd888bcaee1632f6046ce8edf0d99622fb362d

    • SSDEEP

      12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DNKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWgKrKe

    • 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 (311) 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