General

  • Target

    f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118

  • Size

    669KB

  • Sample

    241216-mxr5tsykdn

  • MD5

    f8a9d3f458a7ab3af54cde87d2b0b4f6

  • SHA1

    9984cfbbf8c86c16d0ca2fd1388ed516213a6eb8

  • SHA256

    45f0bb5539b7ce29c74f11c46b1f1199eae518af04ff7bb499e10f4780dc7530

  • SHA512

    324b73a4fb223d653fb56f3d0081fdd4429ca222c43069141f6df4e53538b2dd25c0f25fad14d8c96e0bbbb5b9a7de6fc93b96695315a777aa5c065035b49dff

  • SSDEEP

    12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DYKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWRKrKe

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;">4ECAB8FDDEF516F92B6B58156F847E4979B32034413F60D365F7B900B5DF3FD192F88387CC0D5D10A1B17C795FA93C1D99E9DB3FC5346D91ECF39D45EB1A2B1C<br>BE051D26DC71CBAAC314B74E77D62EB90677662B57307058FED39E48143D41FB4B42886FB017635B8E057EB4815435CEBC6F88186D69D783C9D097A40BB3<br>34DFDEF9AF90C1561A96D84E7482E68E5FA487AAED370B5B2858877273CD4B9BE8A9788797292F45A2B2F6D78558032123BCA5E59CB6123774B71864D0AF<br>7F574ED0AA8740D4D7BD8AEB0F026F380419DB9096C82D435DBC0696D2014D400C5D19C995B0C4895F1CE74123135DF8AF9A0AA52589D6253BA6147758FB<br>BC44E4E98369EFBCAC0406DE6AEEAE1021F29B684FB2919FEAEE0F3FDB626B55DB69D101D13C37DC5B834788A89F0ECFB2ED83272ACFD036D001252C6394<br>85C7090714E0789112C72CCD223A8AD35FD0DE24785972C6EEAB006F82431AF76F296B68BF4E1DABE88F21DCBE88552E96DB61F9A8E6BC96DA914F82FAC1<br>68C77B2EDFE5AA8254FC5A53388D7858489CAE075359113CEC9FCAB740DF23DC22333B6F2308407DC17FFED14B63B7A999C925E9E40D314F7567E9DFDB4F<br>184FBFB69D8BE5559734094BC9E23DFB1922032A5BD81EFA306F62D1AD5FDDF2A056F58B41761F25C8EA125B138B9085C0C1283DE2FA194F8FAA1518A197<br>8FA759C7F2E96C4DE7C2749EBD70</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="[email protected] ">[email protected] </a> <br><a href="[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>

Extracted

Path

\Device\HarddiskVolume1\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;">D123BEFE88919F258371FD09BABC0ABA034697E68A7B272CE052607B1C65E3117411688D2AE2DB44A3DBF08FAEE30ED42ED09515692B77323C12DE4880234F0D<br>56F2627DE0C84B996E693700ABBE604B76E1DD9427FA3486AB55926F5583E5CD40AA6A9A4472281CC81BD31D3912F084A5BA324844D58F467921DE5940D6<br>535BCBD1DEF0F84D0F147A265A2C84571D3E86349D245997BDFC70F36EC79037BF6DF624A09AB8A7CACBD1B85AD985991DED548C6C44CDC148A491124198<br>08B2D85484A971F19ED10ED423CFEBFC8E3086B48323B169AB942E3831CE97C2DFE63B946E2316E944E6A0E7619C84C34BCCE2B92B2170BC0B1FAB5F4CE4<br>6D7BDCE6D23F0EF7AB79D4751FBD3D5F6A6252B88A32B68926B1E59D4F1A0DB02C732D9C31245A1D798BB784C5B69EAEFAC694FEDCE9A97F9F80D039C375<br>D59D3283919338C944FEE71B34978657A435DD5A5D9F1DAF79B563C997E8A2C3EDA4A9A5F64D35084C533F72CA5F9D16E40CE47E49FA64217E57DAFFFD8F<br>BA8DCAB09031F6410C1CF32A792EB4870D134DA3BA35A5C48206C2C6F0687E08866059707D2ECC662E7512293C14F72F8078EF9C70CDE98A81991948F888<br>9DA0A546C5DE9A7A257FFA6036F6A46222D7FE86971A676909122168BD0E54BB9F3A22AD2C61B4A9A9B699E7F01EAC82CD0E8E94EE9246F27E6CE110B318<br>B7C024D55BDF5A4674D9479ED262</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="[email protected] ">[email protected] </a> <br><a href="[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>

Targets

    • Target

      f8a9d3f458a7ab3af54cde87d2b0b4f6_JaffaCakes118

    • Size

      669KB

    • MD5

      f8a9d3f458a7ab3af54cde87d2b0b4f6

    • SHA1

      9984cfbbf8c86c16d0ca2fd1388ed516213a6eb8

    • SHA256

      45f0bb5539b7ce29c74f11c46b1f1199eae518af04ff7bb499e10f4780dc7530

    • SHA512

      324b73a4fb223d653fb56f3d0081fdd4429ca222c43069141f6df4e53538b2dd25c0f25fad14d8c96e0bbbb5b9a7de6fc93b96695315a777aa5c065035b49dff

    • SSDEEP

      12288:dQA0FfTcwpBuV2UxqDmuiLZeUaoFi2XZWfGe615HhAZV8DYKD/KeX:Tuf4wTuV2Ux3uIZeUBi2Te6HWRKrKe

    • MedusaLocker

      Ransomware with several variants first seen in September 2019.

    • MedusaLocker payload

    • Medusalocker family

    • UAC bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (284) 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