General

  • Target

    f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50.sample

  • Size

    333KB

  • Sample

    240227-wnd2aafg24

  • MD5

    169d9a666d9d56e1c7396cac6591af49

  • SHA1

    cb61440e03d74116ce70a23307a600f04bb58eed

  • SHA256

    f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50

  • SHA512

    619ec05142929ecc1349a5a68a24953a1877308bedc6c52e698fc379d34b7e4dfb7e07cf5da63547cf26ee4c87fdbac8c75fe325a3c277e0d48dddc8b927013e

  • SSDEEP

    6144:Bkv89W2QcboLPlZbqEKvSlvgXCBVnTDg3GV06rPnej63AbyEXq:Bk09XelZbqEKv8gXCBlPHe1yEXq

Malware Config

Extracted

Path

\Device\HarddiskVolume1\Boot\hu-HU\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> </div> </div> </div> <!--tab--> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Extracted

Path

\Device\HarddiskVolume1\Boot\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> </div> </div> </div> <!--tab--> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Targets

    • Target

      f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50.sample

    • Size

      333KB

    • MD5

      169d9a666d9d56e1c7396cac6591af49

    • SHA1

      cb61440e03d74116ce70a23307a600f04bb58eed

    • SHA256

      f584c124d92b09ba12d2538d52300dc38ef255c6ad23c30e7569ff1920388c50

    • SHA512

      619ec05142929ecc1349a5a68a24953a1877308bedc6c52e698fc379d34b7e4dfb7e07cf5da63547cf26ee4c87fdbac8c75fe325a3c277e0d48dddc8b927013e

    • SSDEEP

      6144:Bkv89W2QcboLPlZbqEKvSlvgXCBVnTDg3GV06rPnej63AbyEXq:Bk09XelZbqEKv8gXCBlPHe1yEXq

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (7559) 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.

    • Modifies Installed Components in the registry

    • 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