General

  • Target

    26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

  • Size

    669KB

  • Sample

    230125-xdgj4ahe39

  • MD5

    646698572afbbf24f50ec5681feb2db7

  • SHA1

    70530bc23bad38e6aee66cbb2c2f58a96a18fb79

  • SHA256

    26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0

  • SHA512

    89bad552a3c0d8b28550957872561d03bf239d2708d616f21cbf22e58ae749542b07eee00fedac6fdb83c5969f50ea0f56fc103264a164671a94e156f73f160a

  • SSDEEP

    12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8D4KD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWdKrKe

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-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; word-break: break-all; } .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;">1A93B10C02A6AE04DEE645812772896F814233B9C451C8121DA112A7ED150E86C7E9BAF8047E9EDEDF1A6DB1A8D58E6078BE3B789FE5DC092FA3E946B42F9FB3<br>27426E68EEF2E7B2517B9FD1FA5893F87C9FDE189A7ED26F0E16B9260213FC224D6C62DF2F80BD56F0631310DD0B53AD5EFFC78CA815BEDD71C08D3719D8<br>2FECFBCB48847756F69C2FB103DBFF160BA75ACE4A5BB357A6B868FE98544B9C8C910175685B38DE26509A013D48919099FAD39BF316B812FEA6E0D6992E<br>F3828F6580B5540930E829C3527FB1C17157A4F8576F3C20DF84C4DEDB48009715F30006F6C30FE6BE6C451C58AA2F1ADB96696E8AE655159B68D21D6413<br>B175B24E1945DA51560FE84F5B7BC26C825F89CB8EFBAFF1BD3263A8116E62CC95D504E50628C9DFE8E055CB2C26B2598BA422BF251179E68AFA6433DB13<br>16FFB7FCD381188CD6EB4295868359BB6B2CB2F7E0DF059D6F3381EE9F2D6DB5463C7C3E737D403245AA24B47E1E26C317FF5F77918B487FF9D21B1E5972<br>30C7B7F6B8A03C0269B79784EF9E6D3300B5EE3CF284BA0D43AFCC2B8302FBE5A2BAF24EBBCE08E63A40278636494566863E2164D00B84C1F179D35ED3C7<br>062F520B75843FDE1B8C55C58BA34C4066C212F69DA299E28265ECAD0C73B0B755316A4FAA9F53BD77D57980DE69868D7C52DCF573BBA0355FCC3C25340B<br>F8313896BE9E3FE2D7462526F006</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:\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; word-break: break-all; } .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;">6EAA19BCCEE423A202987FE842ACD917143C8D64FCFE1C7C54822003FD2BB2BAEE9785F8043210F19733B3624FBBBB43AC3CDB352DEF3B258E1B87B2DCB227EF<br>D43D48FC745FBD95080C726BEF59F41086494BA0A0DE1E0EA950757B7BEAA84ECB35D81C0E0B9D2723CF5F26D71D071A813A4CEB9D91C1FCB7AE76708CB2<br>A74BC292578B6FDC16E6140D53826B0BA9D4338FA7809A8136970D1AEB95D277C1836F45208A7285FCCE45989771DCD5CEC464043BE0DD6D93B0978AF924<br>FED99D7B252B474B373AD252C3708E2398FEBBAB6378332EDE75813F668196DEDBBF86B17D0981525D5202972178FF1D767FCC4D0C1A9362226984FF5BF3<br>38B5009452444EDA2B49CB4459BFECE51629575D94D78C9337EBE086759CD9CA415DF5F964568B785DB163D5D8EFD1582D85AF53FC06B5B05FFAAF71D262<br>7FB3B982D52D57E2A4EEC445EC2ED782BE57FD34AF6B7CC210AAE801D8524A85B4764BE69268D52E0627210152860BF9D1784E81FFB9C3E20F45444F8DE0<br>8F3C52E942AD1DC80DD0AEA65535EE47EE49D19D77B4A8FED21DD04906A6C81DF10BF970FC2B0BC9E3399647D5FAC032E139D44BE97F0DE2ADD82041BD8F<br>3DB778039C595D3E24AF32BF16DC4D9750A2CF9271FE062C83214B8D8F927AB866005CDB4F3CC28CE76088A873AEFCE81E09DDF342E4B2727610D6AD1CEF<br>A26BA528317D936D52FF712B0C67</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

      26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

    • Size

      669KB

    • MD5

      646698572afbbf24f50ec5681feb2db7

    • SHA1

      70530bc23bad38e6aee66cbb2c2f58a96a18fb79

    • SHA256

      26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0

    • SHA512

      89bad552a3c0d8b28550957872561d03bf239d2708d616f21cbf22e58ae749542b07eee00fedac6fdb83c5969f50ea0f56fc103264a164671a94e156f73f160a

    • SSDEEP

      12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8D4KD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWdKrKe

    • 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.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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 v6

Tasks