General
-
Target
medusa.exe
-
Size
235KB
-
Sample
230629-tzp7ksec27
-
MD5
f6f120d1262b88f79debb5d848ac7db9
-
SHA1
1339282f9b2d2a41326daf3cf284ec2ae8f0f93c
-
SHA256
1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281
-
SHA512
1067c1a73cf891d651fa007f4ccc4452f32801fe3859933ef1bcc00985e35ce016fa6c601c0e3c10df2080fc9b8a776b2f18d40bd64dfb98177ab638c4b545bd
-
SSDEEP
6144:c5vMUmRTTgwnfeP+Jx1cLNAIyBcc9WrEWUC4wQh/6BeX:/U8Tgufnx1cLNncgQWUUQh/+e
Score
10/10
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;">B796AD9A428FE26214C71E98A6C989E781B447EE3E0026FF740FE4C8527BAD8CC3AA5846FA36DB171C21317032E610726A15DDE50CD2A25CCF308CA00661A236<br>FFEFB2FE7947F5241760F3A8C4D5B94299AE82FD1A16D3D1BE056D777ED4A6961405050AB2327ADB677244686BF7705E4F606AF590CE68D85BF029ADC513<br>FC452933BCA42804936062C07E2B4CAD88B9E4F106CDB405B89EB4D39868B2B3D53A8222F0BCBDA17EC875466FA4C4654548AF0C7D00AA32F84B1DE818DB<br>2211A3C241EEAF0BEC22AFE9511A03ED03E77B8C04BDF4016AD4C7DD350651F199519CB783ABA9D3C01DA7DA9EECDBB65693556666F8A660F74570FBA3F8<br>FE9BC8BAE902DED640FEDDF0A19EA1EDA45AC077294632DAD3D575867E757B86E98A4EFB12C3824E665BAFFCDCE7C73642187C790E64F300325CB50816F8<br>1EF54F9E1C143F6D1F4E57E94A464627D3E872C1C2A27AF6AE51FA7C8E9978E013C896F5981190FDB5B21B1D4BA29E5256EC8201D84D55DB5FF98C6760E9<br>DB01D5663776D3D3C15154E853064E73F530158652DFA00088F4BB7CA1CACD35BE641470A6745017F6B123CD12A9A0D441F5E3C0E2FAFAE541843C98B4B5<br>248AA765D831EC36C5FCA1A6074E2731F6E0FB647DA6F2E131FA67205143877102380695B9F5F9AB8108194A9FACE5F04F1C44D6F54A1BA34DFD9C4F6ACE<br>B620BEB7F0424751FF1307FF664D</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>
Emails
Extracted
Path
\Device\HarddiskVolume1\Boot\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;">6619E7B70FDF943D0D756A1491F8B00F45EA009AE676B1E622ABC46BD062A2180446F454EDC636FF745CE90D97649DCC76780DF7594199899E116AA5B740C78A<br>0271624A0985CFBBA26B6A0F7C140F31C495E34BAFE0DF5D0E796AEFDF63C558592C7D42617E798245D65FC7EE5EC099E3BBD55FB3571C0DB0ACBB6FE30B<br>491C7E2E478B6788D5E1CF98E065F4511DCAB5001B5DF83B9EC9395D6DC729F231BF1AB8B9D90D36F1070B28E7E027F929864DA11A2D5EED23266875C654<br>0AED0820465C5A563AC4C5B8262C5E25D9EACA5310800F1BC0EB86496C447B740DCD2FAA678675C7FBA159AFA48B406D008B69DC0DC88A62DD4C51223088<br>2D9664BB9403BAE5794B73B9057FAD82CB3CCF8561F4F1BCD51501019B965168BECBCA40DB5E0A62BC91F5E5D9B559F14544301412FDF2E7D2AAF81C27CB<br>D3BE585F0B121401422495E07CF7EA41B13E21796229BD863D8278B6308A9807929F571FF69073AB4681F40ABB154286799C9208898356164D2C1B7E990B<br>45F6CE6C78B5D0C97D73C9E4BC2D9CB63DACF8B00128E7DDF03AD113AB8D4096233328C3339EB425A72DD8C1C66C10C8C80DC57A39ED1ACD930D52BB1EC1<br>D9847BC7B8B450DFB096070CF03F0397E0DF1218D47C5430386FE8AF0D2472141CEFEDC54284EADD0841677D6EF057D60D4D92995007484D14E3F71FE0C4<br>8DD30DC6BFBD1713316E04324D7A</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>
Emails
Targets
-
-
Target
medusa.exe
-
Size
235KB
-
MD5
f6f120d1262b88f79debb5d848ac7db9
-
SHA1
1339282f9b2d2a41326daf3cf284ec2ae8f0f93c
-
SHA256
1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281
-
SHA512
1067c1a73cf891d651fa007f4ccc4452f32801fe3859933ef1bcc00985e35ce016fa6c601c0e3c10df2080fc9b8a776b2f18d40bd64dfb98177ab638c4b545bd
-
SSDEEP
6144:c5vMUmRTTgwnfeP+Jx1cLNAIyBcc9WrEWUC4wQh/6BeX:/U8Tgufnx1cLNncgQWUUQh/+e
Score10/10-
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 (210) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Renames multiple (281) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
-
Executes dropped EXE
-
Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
-
UPX packed file
Detects executables packed with UPX/modified UPX open source packer.
-
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.
-
Drops file in System32 directory
-