General
- Target b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649.exe
- Size 719KB
- Sample261113-gdatjsfz5x
- SHA256 b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649
- MD5 8474039d83805eb7b447325c3a8d1ebb
- SHA1 a07d537f4253745a087709a9a07c449f84deed8d
- SHA512 3272091bbf123ba5e1592e8b2bd7740cddcb174fa158bc6980b25ee61d92387e94a25284736253f83a6eea78b427f6717e888e843db9d7759cfe9a7676576438
- SSDEEP 12288:q4UOTYQivI2qZ7aSgLwkFVpzUvest4ZEbjJLuhJVoM7SPd:bRTYVQ2qZ7aSgLwuVfstRJL6YM6
- TLSH T1A0F49E1175C2C032E87309728EBD956E416DF9220B2729DBA3C8065E5FB99F27E36533
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649.exe
Resource
win11ltsc2024-20260911-es
Malware Config
Extracted
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C:\Recovery\WindowsRE\Recovery_Instructions.html
- <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;">9FE3A3C6D6F375B7556BFBFE9B6CC880A71524AFB11E9C748E0B56FE6BAAE957A640FE7A8A7C0B35846BBF04A21091DA58EA7944CA2986DA4877EA8E5087C044<br>F9938AD5F56BB8E7114A93AB2AE6B285720A629CB398BBB798528B37C5E9839791911AEC23A5F203BA7C4433994BAC709D157538984D4167E907F1EF9B1D<br>3FFBCB28CC389C6F559D88233D2978B5B01BA2D03E8B3A254CD1CC37A9805D061EC71D5CA583249994D5F3159540758BEE3A19F0DFF3E9B7985E9BC318DF<br>8BD3EFD820A6BE2911E94945794D514DAD79BA9C762C9F56554CF30723E72A90A35932E5B5C79DFE50A2B5AB83843FF5265CA705DBEB593E827E2501C5B8<br>96E8D6E3DC4E2C72E80AAD45B5F4389F9A19154F97BA5898218E18AAE4DC1D68065AAC4E87FF56E7D39757A18B4968FCAC24F14D3C78D0CE2C300067AC8F<br>71D1D82E5132CC1223A23382054428D743E4F8CDCB0CE6DE341ABC9DC3585831BCDAC6DD99CBEC89C9FF4D0E3E8B2D9595738B0DC29F96DBD371044D3940<br>772BE29B4DDD3148F20764CA8ED0B288ADBF6663978DC3DD6B916E81502786C1DECD3237E1F1D475D9D269D92B1BD7EF321C0A247D710112828AC9F2A88A<br>07D9AD88C10BA0F7989E30088DD099CB484CB5FBAA559C2F6BA7A476348B14458A0331240FC04E18E553697FC6FDD6A31BE46BB03A2DF4CFBBA7FE86A6B7<br>9D4229572B2EFC93FD5304EEC402</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/31-LPy3hdSfGLBgLSfGcKN9rubDKoa1VMK4-KClsZhqCXhKTcSRRIAnVBD8jbDuBTWcK</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>
-
href="[email protected]">[email protected]</a>
-
href="[email protected]">[email protected]</a>
Extracted
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C:\Users\Admin\Downloads\Recovery_Instructions.html
-
medusalocker
- Your personal ID: 9FE3A3C6D6F375B7556BFBFE9B6CC880A71524AFB11E9C748E0B56FE6BAAE957A640FE7A8A7C0B35846BBF04A21091DA58EA7944CA2986DA4877EA8E5087C044 F9938AD5F56BB8E7114A93AB2AE6B285720A629CB398BBB798528B37C5E9839791911AEC23A5F203BA7C4433994BAC709D157538984D4167E907F1EF9B1D 3FFBCB28CC389C6F559D88233D2978B5B01BA2D03E8B3A254CD1CC37A9805D061EC71D5CA583249994D5F3159540758BEE3A19F0DFF3E9B7985E9BC318DF 8BD3EFD820A6BE2911E94945794D514DAD79BA9C762C9F56554CF30723E72A90A35932E5B5C79DFE50A2B5AB83843FF5265CA705DBEB593E827E2501C5B8 96E8D6E3DC4E2C72E80AAD45B5F4389F9A19154F97BA5898218E18AAE4DC1D68065AAC4E87FF56E7D39757A18B4968FCAC24F14D3C78D0CE2C300067AC8F 71D1D82E5132CC1223A23382054428D743E4F8CDCB0CE6DE341ABC9DC3585831BCDAC6DD99CBEC89C9FF4D0E3E8B2D9595738B0DC29F96DBD371044D3940 772BE29B4DDD3148F20764CA8ED0B288ADBF6663978DC3DD6B916E81502786C1DECD3237E1F1D475D9D269D92B1BD7EF321C0A247D710112828AC9F2A88A 07D9AD88C10BA0F7989E30088DD099CB484CB5FBAA559C2F6BA7A476348B14458A0331240FC04E18E553697FC6FDD6A31BE46BB03A2DF4CFBBA7FE86A6B7 9D4229572B2EFC93FD5304EEC402 /!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\ All your important files have been encrypted! Your files are safe! Only modified. (RSA+AES) ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE WILL PERMANENTLY CORRUPT IT. DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES. No software available on internet can help you. We are the only ones able to solve your problem. We gathered highly confidential/personal data. These data are currently stored on a private server. This server will be immediately destroyed after your payment. If you decide to not pay, we will release your data to public or re-seller. So you can expect your data to be publicly available in the near future.. We only seek money and our goal is not to damage your reputation or prevent your business from running. You will can send us 2-3 non-important files and we will decrypt it for free to prove we are able to give your files back. Contact us for price and get decryption software. http://gvlay6u4g53rxdi5.onion/31-LPy3hdSfGLBgLSfGcKN9rubDKoa1VMK4-KClsZhqCXhKTcSRRIAnVBD8jbDuBTWcK * Note that this server is available via Tor browser only Follow the instructions to open the link: 1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site. 2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it. 3. Now you have Tor browser. In the Tor Browser open "{{URL}}". 4. Start a chat and follow the further instructions. If you can not use the above link, use the email: [email protected] [email protected] * To contact us, create a new mail on the site: protonmail.com Make contact as soon as possible. Your private key (decryption key) is only stored temporarily. IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.
-
http://gvlay6u4g53rxdi5.onion/31-LPy3hdSfGLBgLSfGcKN9rubDKoa1VMK4-KClsZhqCXhKTcSRRIAnVBD8jbDuBTWcK
Targets
-
- Target b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649.exe
- Size 719KB
- SHA256 b2493a580153291b69ca23190d00a00b1220cd0aadf469b3974fdaa726516649
- MD5 8474039d83805eb7b447325c3a8d1ebb
- SHA1 a07d537f4253745a087709a9a07c449f84deed8d
- SHA512 3272091bbf123ba5e1592e8b2bd7740cddcb174fa158bc6980b25ee61d92387e94a25284736253f83a6eea78b427f6717e888e843db9d7759cfe9a7676576438
- SSDEEP 12288:q4UOTYQivI2qZ7aSgLwkFVpzUvest4ZEbjJLuhJVoM7SPd:bRTYVQ2qZ7aSgLwuVfstRJL6YM6
- TLSH T1A0F49E1175C2C032E87309728EBD956E416DF9220B2729DBA3C8065E5FB99F27E36533
- MD5 SHA1 SHA512 SSDEEP TLSH
Detect Neshta payload
Family: MedusaLocker
Ransomware with several variants first seen in September 2019.
Family: Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
MedusaLocker payload
UAC bypass
Renames multiple (155) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
Executes dropped EXE
Modifies system executable filetype association
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 v16
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1