General

  • Target

    88e0a638db0258409c7458b15634be4cbefe4f6438ee39ab61c2699c18997c5f

  • Size

    678KB

  • Sample

    220306-ezc5paaaa6

  • MD5

    c627f3efbd8ac9d105bbbbabede03292

  • SHA1

    6da7954690a43c7355b494f069afab03c41f2550

  • SHA256

    88e0a638db0258409c7458b15634be4cbefe4f6438ee39ab61c2699c18997c5f

  • SHA512

    80c569c83412f4ed8257de33eb5b77d0cc2e046c8c9a3dd1ff4404cc2f6309a0cf2f1cb1cb0bef13e445d9f2ab94a864225375d1c11156d52b859bbfa041cc7b

Malware Config

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;">1600ABB03B757356B9B72734A9BEA905007F4410C12B3C69B51C1C2F4FBF0A1956572FC34F8AF9F04E4ED66B15099D43BB12D2976447B627E74B7C9216CAE399<br>5D9527350430A220240495883E15C23A169BC58FA018E16AC062B6A5D2E0AEA9ECF3B94542868EA0F280803BA0DB5BA95ED87FBE2A500B1B2215712A615B<br>E83BA4021735502DA25DE1B4B6650BAB6178DCFCC59CA38F35C72E12F934835EDE5D34F0B1C5CAC3E178925C2BBB20CBD0CA744DDF669E6237CEED399830<br>FDAA73450289F09B2E68EBA01C0CB091EE31229E086F21C1034D7AD4CF33D9C698649DE47708E928472BC1130348227668AB30B4C1F412FFC38273B4C93E<br>0BF4E591FE750E7A7E9C7E0CABF9B7010F0EA4BE17E934D868C51F620BC0762E371370E04EC3BB9E8FC57F41E96E51DBBD210995CE32518957D58F778D4B<br>7F92AAEBE6557F1F4639AD405547433B54CD8C112DE4E227A9EAB02C019FFFFEB89187DCF5DB69F025A7B46F60A88DFB7AC2B59C65454F301E6DAD41C3B2<br>001358C1DA32D00241DCD90758E143BB90D2C286E80FB09AF0BCA0AD8CB4A9991AB056CFF842A455F069009E46CF813019DD7BBCFDB776FF662A2B727EB3<br>089CE11BC69CC6AD9A5A593AE67A41EB385492B9C2195493CF66E21EB82D53678E0B95140C65EF77DD15BE38EAA14587A4E31B947D46FF02D8CF1EEB4706<br>5D8D415E6B686A19F90B9D6C683A</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> YOUR FILES ARE SAFE! JUST MODIFIED ONLY. (RSA+AES) <br><br> ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE<br> WILL PERMENANTLY DESTROY YOUR FILE.<br> DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES.<br><br> NO SOFTWARE AVAILABLE ON INTERNET CAN HELP YOU. WE ONLY HAVE<br> SOLUTION TO YOUR PROBLEM.<br><br> WE GATHERED HIGHLY CONFIDENTIAL/PERSORNAL DATA. THESE DATA<br> ARE CURRENTLY STORED ON A PRIVATE SERVER. THIS SERVER WILL BE<br> IMMEDIATELY DESTROYED AFTER YOUR PAYMENT. WE ONLY SEEK MONEY<br> AND DO NOT WANT TO DAMAGE YOUR REPUTATION. IF YOU DECIDE TO<br> NOT PAY, WE WILL RELEASE THIS DATA TO PUBLIC OR RE-SELLER.<br><br> YOU WILL CAN SEND US 2-3 NON-IMPORTANT FILES AND WE WILL<br> DECRYPT IT FOR FREE TO PROVE WE ARE ABLE TO GIVE YOUR FILES<br> BACK.<br><br> <!--text data --> <hr> <b>Contact us for price and get decryption software.</b><br><br> <a href="">http://gvlay6u4g53rxdi5.onion/36-PGl6TC3QXo6nRZpt4BWuBuyTVpMbQZLo-bqr9GCtQn1397EskbsNrHZ0mimpXQDhY</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> <b>If you can't use the above link, use the email:</b><br> <a href=" [email protected] ? ">[email protected] </a> <hr> <a href=" [email protected] ? ">[email protected]</a> <hr> MAKE CONTACT AS SOON AS POSSIBLE. YOUR DECRYPTION KEY IS ONLY STORED <br> TEMPORARLY. IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER. </div> </div> </div> <!--tab--> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Extracted

Path

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;">3E91D59C5F0499C563CCD1EB4875B4811CFC588F16700298373E31BB964414DCA295463346CA8671C4CB2719C3AEE1F8AF431245FE00BF536590B5EC2317BAA1<br>62CC58A2112E38540EFEC66FEDDCD6D1A6C4DFF0C3D29F513FE1B729C92D1437BB52DFFF8737122A936848D4E9FF74343446F51416DB0AF151047AC97626<br>7C1E988E43D4FDE7D24AE7AD3495102DFED10CE31932C8A3958A77173BC6A9C6B3E14E1D48B44B263907B8C7690AEDA731B720D9329AC2B68ABAE9E5F6C5<br>C8B4B9F17B3D217D2BBECFD6C067E1AD688167274E7DF11CACC27CB4DE6FD8E0A555E49F346324649B91D03E33894F8D454E311D868A0C036ADB85615F5D<br>CADB2573A1AF6D8DAB812FC6591A798B1206000827F2FCBEB9BE6638679D1C291554681CD00B8EDDBB0B305FA4A02922869F0DC96D4662F8E6928ACFAF81<br>FF558ED2A196520621E4433A5456B9C329BE72D7C43ABE249BB3603BBC41DED375532483AC591F2019FA345CEA2B19CC9D3920D1B9E2D2B46C1F603552A9<br>5B2FDDDF81C74DBCC0BF56AC64067B44640C80736FD2B96DEAF35F37DE4DC07BE8FC435007CA56E07B1F4CB2220331DBDDF66DE50AC1EBFA5346B83024EB<br>4686688151B1AC40DD04C2BA14804A0104C355F0BF4EEE040B52F21D13D77E12977F0C3A6ACB509BBAA65B0152B1F69349D127B7F13B6C41CE9DECA61666<br>BB39A1025BAA965FF877E8B5A22D</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> YOUR FILES ARE SAFE! JUST MODIFIED ONLY. (RSA+AES) <br><br> ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE<br> WILL PERMENANTLY DESTROY YOUR FILE.<br> DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES.<br><br> NO SOFTWARE AVAILABLE ON INTERNET CAN HELP YOU. WE ONLY HAVE<br> SOLUTION TO YOUR PROBLEM.<br><br> WE GATHERED HIGHLY CONFIDENTIAL/PERSORNAL DATA. THESE DATA<br> ARE CURRENTLY STORED ON A PRIVATE SERVER. THIS SERVER WILL BE<br> IMMEDIATELY DESTROYED AFTER YOUR PAYMENT. WE ONLY SEEK MONEY<br> AND DO NOT WANT TO DAMAGE YOUR REPUTATION. IF YOU DECIDE TO<br> NOT PAY, WE WILL RELEASE THIS DATA TO PUBLIC OR RE-SELLER.<br><br> YOU WILL CAN SEND US 2-3 NON-IMPORTANT FILES AND WE WILL<br> DECRYPT IT FOR FREE TO PROVE WE ARE ABLE TO GIVE YOUR FILES<br> BACK.<br><br> <!--text data --> <hr> <b>Contact us for price and get decryption software.</b><br><br> <a href="">http://gvlay6u4g53rxdi5.onion/36-PGl6TC3QXo6nRZpt4BWuBuyTVpMbQZLo-0rEilEylaU11ktZyXXClYZhOt6nTH7Uh</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> <b>If you can't use the above link, use the email:</b><br> <a href=" [email protected] ? ">[email protected] </a> <hr> <a href=" [email protected] ? ">[email protected]</a> <hr> MAKE CONTACT AS SOON AS POSSIBLE. YOUR DECRYPTION KEY IS ONLY STORED <br> TEMPORARLY. IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER. </div> </div> </div> <!--tab--> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Targets

    • Target

      88e0a638db0258409c7458b15634be4cbefe4f6438ee39ab61c2699c18997c5f

    • Size

      678KB

    • MD5

      c627f3efbd8ac9d105bbbbabede03292

    • SHA1

      6da7954690a43c7355b494f069afab03c41f2550

    • SHA256

      88e0a638db0258409c7458b15634be4cbefe4f6438ee39ab61c2699c18997c5f

    • SHA512

      80c569c83412f4ed8257de33eb5b77d0cc2e046c8c9a3dd1ff4404cc2f6309a0cf2f1cb1cb0bef13e445d9f2ab94a864225375d1c11156d52b859bbfa041cc7b

    • 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.

    • 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