General

  • Target

    2c374ad55d30b475e761bacce9dd65b34b20705b787f35612b83d04fad34fab8

  • Size

    678KB

  • Sample

    220201-s9b72ahabj

  • MD5

    3efb1e8962759d81e95aff2652f7fd13

  • SHA1

    1e9846d21b1d299f4111a76a57ce451688e20472

  • SHA256

    2c374ad55d30b475e761bacce9dd65b34b20705b787f35612b83d04fad34fab8

  • SHA512

    e8f98293c597bff349ef307cdb7bbc38470b304d682a409ce6e2e9df39f4682daad6d775ab63bbe995c50257ccc7609e5398111798d13ee546366f3fef4fcc81

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Recovery_Instructions.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;">D8BBFB71FD1F72ADC34CC8602434720C7F1702EDAACD0FB47F93FAAFA2CA27319338D81A9C4BB4792EA939C6FF0AA7510EEDDB138940B7BEFB7B478DFD086CBD<br>10AA739EAC4624648FB8597FC8289B732746A311EE17D9C8701CD334A75DAC2FEDC76FF9913792DE16D8E7AE382E9546D2C53720947BD32A1DA5B13F8398<br>9335A49179AFC74C82FD93725FEB708C24C2DA14DDF9A73554FCF1E171E3007F56C5FEFF734B1D2B62CD26D6DFA723C81DB50914799713F36DF6444EBC0D<br>B5AF859C13C559AB13061ED27DCD6E85B3E608E0F67E3EA24D5AE7B0D39A2C2B0DB96246E10193DA90EF779776CDB79530AD9FC860B2D4D573C173099464<br>3F8F11A27102518354CDD847054F3EBD5A2273A487110D9B4ED08E9E6204BD8C03A1FBF1EE2BF14310C9A510E8C554C8A65DFB5AA501F2485A2F559B78A7<br>BE236F051EADB6D0F5CA43995DEE5B40B4FD8556B1BA89C5EF0CEE7CF52CF5B9F723264DA7E578A993B78322EB7027B99494D8767EA707FB6F53BA2C361C<br>FBD030EE2ACFD397CEC6BF0DA1584B3FF3C31CEE2F9B08D525EAB463B433C22D7438F544B2BCDF17BCAA075EF3565E3F5C09E509D6BE9B6D164AAABA5883<br>46E305D73131AB505075DB23FCF133035BE7D7852C4A936DF98D7494D03F8E2A1B9760E06373B0AE6F2D0E5AE936C941315FB4F2E8FD3362BDBF60B97F8F<br>6F5A6FBDAE02B800D35E726A8123</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>http://gvlay6u4g53rxdi5.onion/21-W7J2bWNeNOwMhtjykwtTjHAoBnqOl4hC-mFXmcIoJGRwUvKTMCoJ7uQk1g9lV67cu</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 "{{URL}}". <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 mail on the site:</b> <a href="https://protonmail.com">protonmail.com<br> <hr> <b>Make contact as soon as possible. Your private key (decryption key) <br> is only stored temporarily.<br><br> 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

\??\Z:\Boot\Recovery_Instructions.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;">0EFC88EADA4A70D8C0C595137351E07925ED5F3A4E0C6D74BD61537932C0D561CB85ADD67D467E03A484979F3334155095536AFDC4B77A66A3D4047200682C74<br>E383BFAE40065F8E8034BDE8C698C2BB467350C638163144847D7C4C620AFF2C3E6D8071A443312EC1B390FFD44F61631128C0996B2B62A87BE49D056413<br>E5F9DA693A5EAFD131FCADF5E4F4EDBFCE055F5B0C635F91056115F6003D7F31E4FACEEE6BCA1A62C773FAC01ABB8DE5C158A7B6338D8A2DF7246AACA993<br>E910A62A15BE54DA657B5B1F9CCCE3D9F2BC3915B206A070E4C9EE5FB4D62879574149138AB53B937CB9C8FD72F83417E1BAD3C2543C0E74FFC36263A0B4<br>F4F0B342D58A14E1D8811D73706B45D9799CE87788B139AA949B4930DA3FDA537D6261374CAEA50AD778E128303D1828D8B931F397DB0648C89CA8B2EB0C<br>FE9E4A32F536084D63EF208470D4089313EF36B1EFA342FCAD6E0AEC255F6DA189C8C0E8CB8DDA507883F07089A18DEACE4A1C3955F396C29A3108792DA2<br>3104AC364992CA775E3B15EA9E09A66FEDDB42BCD866E7807BA01D6280F722C322C627F46ABA8D872A7A1E7526700432A9A7B8B59DA361A0624B94BE1236<br>4DF2599153C6450F14DAFA6A57AC44E1B23C0E9E6A4A089EDA1A5C1A71EE106F469AD66ABD26BF4EC39DEDD4C1A519CF2592177ECB9CB400BC7D3EDBAB61<br>0FCF4512DBE6AABD1EC70286CA67</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>http://gvlay6u4g53rxdi5.onion/21-W7J2bWNeNOwMhtjykwtTjHAoBnqOl4hC-uGLBHZwjab2eynrEYlN4Z8y9K09T2ONy</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 "{{URL}}". <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 mail on the site:</b> <a href="https://protonmail.com">protonmail.com<br> <hr> <b>Make contact as soon as possible. Your private key (decryption key) <br> is only stored temporarily.<br><br> 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

      2c374ad55d30b475e761bacce9dd65b34b20705b787f35612b83d04fad34fab8

    • Size

      678KB

    • MD5

      3efb1e8962759d81e95aff2652f7fd13

    • SHA1

      1e9846d21b1d299f4111a76a57ce451688e20472

    • SHA256

      2c374ad55d30b475e761bacce9dd65b34b20705b787f35612b83d04fad34fab8

    • SHA512

      e8f98293c597bff349ef307cdb7bbc38470b304d682a409ce6e2e9df39f4682daad6d775ab63bbe995c50257ccc7609e5398111798d13ee546366f3fef4fcc81

    • 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.

    • Sets service image path in registry

    • 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