Overview

overview

10

Static

static

1

URLScan

urlscan

https://raw.githubus...

windows10-2004-x64

10

Sharing

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General

  • Target
    https://raw.githubusercontent.com/Endermanch/MalwareDatabase/refs/heads/master/ransomwares/Fantom.zip
  • Sample260914-clvrgatckd
Score
10/10
fantomdefense_evasiondiscoverypersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

  • C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML

Ransom Note
  • <html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>AT+RBivcpf/6/6x4Az7MBtkQa+sanwSGVdvITZTCj+0sYETC55CZhGVdTcnBFHLzGV3QEltoEDviKlQilJtbq4tJmS9/o6EADcxwjc5BiXIa92O1SytefNqLc+U24dsFube5b4bvt07aK4G6cA/ck+bY26D2k9aWhXPrgh3nvmVhdzNQU5gXZAdThi5dWhdEeaU/XbQD1Nzw3DJcT8+bZLByunv5ubMVb0i0cTJIcYi7Ym+uMFZoik2PlhX+U2uSykwPfDZIPL57R7hFRx4G4ZwuteGhM1/M4FsRIb0Ln35gxRfgONO+1I9CK9dn4ShIkLSopVhQPEzAtcvkN+vTFw==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Extracted

Path

  • C:\Program Files\Common Files\microsoft shared\ClickToRun\DECRYPT_YOUR_FILES.HTML

Ransom Note
  • Attention ! All your files have been encrypted. Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets. That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us. Getting a decryption of your files is - SIMPLY task. That all what you need: 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] 2. For test, decrypt 2 small files, to be sure that we can decrypt you files. 3. Pay our services. 4. GET software with passwords for decrypt you files. 5. Make measures to prevent this type situations again. IMPORTANT(1) Do not try restore files without our help, this is useless, and can destroy you data permanetly. IMPORTANT(2) We Cant hold you decryption passwords forever. ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. Your ID_KEY: SLDa/HGJxhpLjIc3uanlpkmzwjahg8e6Gg9hVvOIZ1noYTavRaN/i0DdJdB/CRp5WVLTX0tqouKuv/JB3Gc3dlMVToNPkpkU2hMU6BF9IxzYpJBPXxIe1PNO9+J7lcT2TF2KClUDY4wyGLRenr6zaYucRITMcSwbHPWZD9ALysuB23d7cAeF5ogelNxzzMyjCgpSvZFeSL87PUJAQfNMnM1RMUQcGKkyEsqxbD53ftCx7DxytmiC2zGk8I6bN4kMDJ8BABvz1bwuXVLGknNeJTm027S6KkZB76GLwfZjsd+ElFzpvpjKT5s3eSqEQsgiY/ldk4XAfruNgRsvdVcRzQ==ZW4tVVM=

Extracted

Path

  • C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML

Ransom Note
  • <html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>GwSHhOajMaEuNtoNuRTSsSiv/4YvIb73x80QJkhnrlCZGLrIFHfteMoXV31fJYfadni1DaH/IY868zJFnrNxy+v/B6EFr6jTI+p8CnoNLPsrAjG2heqQyf51wMqKYcoJXTkv1Cw8z7j9yRUNbeL5ro4f4cmGgV8FQI4wtr/N9+t3cqkwjddzeeUaX1n3RH1Pqe7LEarToBnn/hnw9hmfAzHngNa+lNOWepp1BAlBLYufxFGdxMpLSGEeDID7fhDkN4fmUnummyqsk+WXMpvfCi7z6V9/N2MEKzYMHgH4j3UNgFK81ofGIf8ZQX9FvZtJ6Xx/6Yn1X/KYGGI1VUEW8A==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target
      https://raw.githubusercontent.com/Endermanch/MalwareDatabase/refs/heads/master/ransomwares/Fantom.zip
    Score
    10/10
    defense_evasiondiscoveryfantompersistenceprivilege_escalationransomware

    • Family: Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

      ransomwarefantom

    • Renames multiple (4950) files with added filename extension

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

      ransomware

    • Disables Task Manager via registry modification

      defense_evasion

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks