General

  • Target

    26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0.exe

  • Size

    669KB

  • Sample

    240506-v9sacsca7z

  • MD5

    646698572afbbf24f50ec5681feb2db7

  • SHA1

    70530bc23bad38e6aee66cbb2c2f58a96a18fb79

  • SHA256

    26af2222204fca27c0fdabf9eefbfdb638a8a9322b297119f85cce3c708090f0

  • SHA512

    89bad552a3c0d8b28550957872561d03bf239d2708d616f21cbf22e58ae749542b07eee00fedac6fdb83c5969f50ea0f56fc103264a164671a94e156f73f160a

  • SSDEEP

    12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8D4KD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWdKrKe

Malware Config

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;">17214085519A1257A636DA9884B96289284D73D16B6D6C06301D30341DC332FB4F6795D43E95E91E571E7424C6F35FE8CFE92DCF33853F725DA9616009326164<br>0731B94A2767054A7F4DAA653AA6673B770CC064B232F2304F76D1149E34052E7D4556AEEB2B32C4A293FCEBFEEF24D2CC23943549697BB9994C49330B7D<br>04B5C8B03490DDC53413C03B1654C64A480B35A90B4F6387135FD74BA1E7D9F4959136F5895C0A973BC52ABBBDB2F06EAE20F4EFC3132C41ED8406AC7AC6<br>A2DC7D527F3EFD548CA5BC552B494BECD73CB7C0A27C44E3455DAF479E0C8B35AD82FDB72E765F3EA492B004A26A0F7258C603AD59EC137CCC45224F354C<br>DF95B9AEEC01FAC5E67A203DD9CC2228CF7F626DE0132B6D32C99CC2743FD9C90DFC109297BB460593F59F042A58248C812E70D5D52CDD0CBB8CBE2BBCB1<br>CC6C611810643A0124E7A8D592A473E6AF1123D18F3AA99FBC29EDB15C156C99642260A822A9FA6FB3C01784C002A7E222F6EB8EA9819F038A44E7FF061D<br>0E339902F5820C95FFC6A9B49222845300727BF6B8623DFD1EB274F260B34E273EB74798AE3A56351F68EF08FDE9E1AB5DC403C69377F9A6C256D584ECED<br>84428211CD8BDF548717BDA080AC318CEDB4C6460BD42F8CE4C7F35781C1001465A029DB0161ED6E74ACEF5C701F5179A59F49E94CFDA42D937E1358F44A<br>8D3E8AD9CBD986B42B4A9F0BD884</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

\Device\HarddiskVolume1\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;">B10B1FCD1C21393833DD46F88F3C6892565CE2CD81B4B37192FE9E180D8784DD19874164FE3383097C019250839CF7F9F64708995BE3244B4A88939872E24F69<br>40CFF112DECAF156EAB4F66C7C662CA8DBCDD20E271430546D170B65EEACAC35D29345B85BEE4A641806EDB616645201BCD52EF7FF9C9C178CFAF47725FE<br>621C4999099CDC2FFB00287C6A370A8D9B727A8BA9B86358FD91A44FA35EA46F1E673EE5B1416970D437FEE2020A8CD1A531C8862592109A79E5E31974A9<br>781F3D9A1022D110AA9C3576F9067B2ABE3893B150BEC4B6806960136509AE2E26019E8E387F139E83DDDBF04D42BC650F24D8D12B751C45D0127357E706<br>8AD88F002641D50977EDCB5D64D25861C784D2C232E3B8C454F93DC051421D91E8281AD6DBD34CDF48259E573BBF1FEF9F3482B5377EDD046DE29464DD99<br>8DB749A15F8AB7828DE131796744424C099A0C29FCAC43C3385B6028CE2BDDEDD775FBD3FF8B2805DA167168AF647BA5451A8B1F8F070F92941BEBE51DD3<br>ADDA150DACCBB951BA807C49B4FBBAD2115FDF54E3B516245DAE9C691A1F2481C0DF8DAB5D77E1B78A0ECBFEE736B1B73985BCAA0783A45B7149AC4B3B66<br>CECCD69EC86C6193EB733D5A166B8D4FD8B9ABD5057551AC655D638BC1FC12CC1A036BC121235C7D264A28E427F56C3F83EF1FDC723AB90A36FE4ACAD579<br>B0D0B7F1BEBF977973593B39175D</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.

    • Renames multiple (292) files with added filename extension

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

    • Executes dropped EXE

    • 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 v15

Tasks