General

  • Target

    d9de562ac1815bf0baad1c617c6c7f47d71f46810c348f7372a88b296d68cfae

  • Size

    335KB

  • Sample

    240101-sf41yschdl

  • MD5

    c3d5522f176830c4a24223c96439f668

  • SHA1

    46574cd17ee2a1f2084dc83a65df94e13ce25061

  • SHA256

    d9de562ac1815bf0baad1c617c6c7f47d71f46810c348f7372a88b296d68cfae

  • SHA512

    0ed0510f4bba6280e4319f3742d1775d7d251c35517f74f1e2f7350ac68239879b0171a279aab252947163977f363cf3852d52747b225aa160f882cb82bc532b

  • SSDEEP

    6144:1YS9RhUoKV8TCylQ0MWNns5wiSvypQof+9RpfbMPrac6bhMq:1/9T0ylQ0MWNns5xSvyp7W6MMq

Malware Config

Extracted

Path

C:\MSOCache\All Users\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;">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</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> <hr> <b>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> <p>* Tor-chat to always be in touch: <a href<a href<b> </div> </div> </div> <!--tab--> <b> <b> <b> <span style="font-size: 22px">qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion</span> </b><br><br> </b><br> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Extracted

Path

C:\Program Files\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;">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</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> <hr> <b>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> <p>* Tor-chat to always be in touch: <a href<a href<b> </div> </div> </div> <!--tab--> <b> <b> <b> <span style="font-size: 22px">qd7pcafncosqfqu3ha6fcx4h6sr7tzwagzpcdcnytiw3b6varaeqv5yd.onion</span> </b><br><br> </b><br> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Targets

    • Target

      d9de562ac1815bf0baad1c617c6c7f47d71f46810c348f7372a88b296d68cfae

    • Size

      335KB

    • MD5

      c3d5522f176830c4a24223c96439f668

    • SHA1

      46574cd17ee2a1f2084dc83a65df94e13ce25061

    • SHA256

      d9de562ac1815bf0baad1c617c6c7f47d71f46810c348f7372a88b296d68cfae

    • SHA512

      0ed0510f4bba6280e4319f3742d1775d7d251c35517f74f1e2f7350ac68239879b0171a279aab252947163977f363cf3852d52747b225aa160f882cb82bc532b

    • SSDEEP

      6144:1YS9RhUoKV8TCylQ0MWNns5wiSvypQof+9RpfbMPrac6bhMq:1/9T0ylQ0MWNns5xSvyp7W6MMq

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (4281) files with added filename extension

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

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

    • Adds Run key to start application

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v15

Tasks