General

  • Target
    8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230
  • Size 669KB
  • Sample220408-mv4e3scde5
  • SHA256 8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230
  • MD5 SHA1 SHA512

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;">6D90DDFE0E0FEA00AA429AB2D1B4D4FC7E284A6D57388DC4303CB270B65A497EE51B9EEAE8FD63546509AC247EC00E2136119CBE5580C7081B147868BB772632<br>BADD45C17826F6A563BD56D96BDBCDBB61D085A84818887BA1738D26ACB7839312982BEF99798EFC52A4BB09D7016BDA7A07AB33E08CCD394F5963B4284A<br>C2EFECA6237067B456689FA9416835418EFE34C14E8715FF3E11945275E1D2D7B99E3D9C8A89E54ECF3B7941DCE87F32E43BC1366D2ADD5D4BA0209DD60C<br>F6B882C1005ABB02C584C189D4590003BFFA7DDDC2C5AAA0A35377A6DA68E02E5BC44D5B7496F14903F788699D4500A40D8F3A58CBF4EAE505924EAB233A<br>DFB2EEDAB53D50513A4C952327F411D8527152CC5D84D1C88E800F1B5F90016ED08362EB4D547091B62440E8B5A843A335DEF10C66F0D90362D6B0177653<br>623DC4BA2469B024D0F7A14C93998E597BC9A922C8F9689C6F22448ACB58196CBF0487723B30F0A282C6F69082056327A5A388536B730F66BCBD8E499580<br>A6D6D8EFC9828E57FE654333FE6AB6E95739F6EDE713B4105E032E57A44B8F6902444D416991A6038AD08291518EF677CE0B78058A8A2D9FDCFA4604E05E<br>6445864DB4EE94BF40627254AAC263D350C4E4324633361CC20EC1B181FA055A42AA076DF81FD107DE382F4C1353842F7066BB222C9F36BF2670CD2CF9D5<br>09C519217E52ACFE2E1FE67E28A0</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="mailto:[email protected] ">[email protected] m </a> <br><a href="mailto:[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>
Emails

Extracted

Path
  • 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;">1BB7D095ADCD9E34DB224702CD9B03EF55EBD764468023E5BC3752DF746030CC6E1616AEE7E74FC6F4C4D305DA49ABFEE928AB5D01A28463753B7B8060E8B433<br>0AA700382C13464B7553019DB85D42730F6EB9C66B90BF5F8A3FF0A0053C69B0390E61C30C17A481768BB84BC78FF2FC4D68EF91563FF170F513515DEC5B<br>DC88BF59D028EF04363011AEDA419510291297F13FA0C94621842546E07AD07CDBE521665E0156F6DBC513BB0E12C2CFDDDB4B8E6ADC085D338FEC281F45<br>83C019D18ED7070D12BA3D01AAD80A3F4C557218B8719BE0D4200D0E6CFCE88C15D547F0EE5A05EFF87758CEEED4F7B5EFA7107CFFA9F5051E2CD0B0143C<br>F5C2033709A5329436E573B06ED98967FB3FEC6835FC0EB0FBDBEA99DE5549805479AE8EBA2D5D5646BB7469ABA1FBC8EA1E07E4B97EB075B0C01DB1CCFE<br>5F6DBF809B38C72B237F11C0151CB8AF19C12B70ED6447AA0C64CC953A22C2AA866CEDD60AE2493C1D97B446987A2721153052AFF066CCBD522D461C5216<br>9A23929C103C3994D8D1F862DBFDDEAD38E34820289D8375708FEB4114C717651528402D2F9249100CF3FF172FBC2ED437642356EDC72A16E2A8BECB2FBB<br>5AE931D680E5061276824C56856A6BEE8963111084743B67D24F704589F895BD3A7B2E79ACA3EE7C10412604C11E7940A1BBF4CF0CA72BBAC6BD03BBCF29<br>4C9F55B2B36AEB125D100BFCBD80</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="mailto:[email protected] ">[email protected] m </a> <br><a href="mailto:[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>
Emails

Targets

    • Target
      8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230
    • Size 669KB
    • SHA256 8939141fb565c044895627bbeb522d840d24899dec53545e4a925012dbf83230
    • MD5 SHA1 SHA512
    • 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