Overview

overview

10

Static

static

3

Fantom.exe

windows10-1703-x64

10

Fantom.exe

windows7-x64

10

Fantom.exe

windows10-2004-x64

10

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General

  • Target

    Fantom.zip

  • Size

    198KB

  • Sample

    230602-w73hzsdc6x

  • MD5

    3500896b86e96031cf27527cb2bbce40

  • SHA1

    77ad023a9ea211fa01413ecd3033773698168a9c

  • SHA256

    7b8e6ac4d63a4d8515200807fbd3a2bd46ac77df64300e5f19508af0d54d2be6

  • SHA512

    3aaeeb40471a639619a6022d8cfc308ee5898e7ce0646b36dd21c3946feb3476b51ed8dfdf92e836d77c8e8f7214129c3283ad05c3d868e1027cb8ce8aa01884

  • SSDEEP

    6144:gEXMZKhTuDA9rBNxIzdZgNbSEehM1Kq+i:gVKNuKdIzcNbxD1f+i

Score
10/10
fantomevasionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\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>mejjdU2fLo/lXwKn9i1OWw0IvipEQA8VGCXm9Lo4nA51uAcDGPwl8lpTsa1YF+spi4owaHb0Z8C/0w6jJT/0Wbjj8PEbeGQejnR99wUUInFWSReA9uRM5qLuTLMf6Y6LVa4r974ClRm95bQui+WP9cciSMkwtFq8hvEoTNV0Gt6siOtPiLprp/HvSWtpwdfE8bD2nR8QvzQDaFz6tDhMlZCNOKVSPH7bJMuoqNFzT1TmXx1EVw/iZHWOgz/3bAzNI4ClDJed7pd9kcYJ9N544U2zRaf/7GH/cWsDNuyDihVOw65xK80zDsPma/TK0x9CMVRJw6ZCz8xm6wYG1NJZ4w==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Extracted

Path

C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\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>jFUShoAhUB5whJ0P4ZvymoPD12a57sJ+1dfBiyMWhckQP77e/2ZPhymUpUzfHCCPBNcrlt491qe88vtLecqTwT3V2pZp4jqEV4bT5SCJfToGqXesvifOJZ6Q+1kvBDRFoiIrfKmhHDkxapicP4fpUBmJInDzPHWhj2QZgyylbPdwaRypz3ntScHZB17veWgvOlaouYp75OdEQsw+yQbZhKDw+Y3FjmAbgD8zEzuG7KbgeCkMZyfXLWGXHse/njZkKWnQPju7LldoVrR1uvGLmjShGNhqJ45H1a62EutDY4n22LcJjUSRWXlgBmMGC5OFQeSkLA/OKWEVq1zzylqJDg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Extracted

Path

C:\Program Files\7-Zip\Lang\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>CMVvhsrMSuyqN80eo4NEqQkYUJq30ezBU6o9j3ro/xaXHu+x+NfwQdSIUygzsSIscgME4Z92fp3vlwCi7ZMYHmPIDVpiDp0smz+2vxiwN0RQzn2fETJjL+Wm9XSnuZIBrVCm9ANOkFcexInBHemTm9rMWF08iQ+GSkAw0Jrwr4+tNEHYobk91XdRDP+IDiQXNwFdbTYvXHnHahQnsjTl8tVff7ymqpK/XlHAYldl3aIOKXbX+olesH7ed8hQoRsrNSGIrh24Mkb1S67XfiKgtqooK0QwqakPPxfW2ZnR0xA/UIG1lP9/gotrdXyVHF1U8LYr5lTLgIrCC/MBYkXXaQ==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      Fantom.exe

    • Size

      261KB

    • MD5

      7d80230df68ccba871815d68f016c282

    • SHA1

      e10874c6108a26ceedfc84f50881824462b5b6b6

    • SHA256

      f4234a501edcd30d3bc15c983692c9450383b73bdd310059405c5e3a43cc730b

    • SHA512

      64d02b3e7ed82a64aaac1f74c34d6b6e6feaac665ca9c08911b93eddcec66595687024ec576e74ea09a1193ace3923969c75de8733859835fef45335cf265540

    • SSDEEP

      3072:vDKW1LgppLRHMY0TBfJvjcTp5XxG8pt+oSOpE22obq+NYgvPuCEbMBWJxLRiUgV:vDKW1Lgbdl0TBBvjc/M8n35nYgvKjdzi

    Score
    10/10
    fantomevasionransomwarespywarestealer

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

      ransomwarefantom

    • Renames multiple (1922) files with added filename extension

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

      ransomware

    • Renames multiple (1925) files with added filename extension

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

      ransomware

    • Renames multiple (2457) files with added filename extension

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

      ransomware

    • Disables Task Manager via registry modification

      evasion

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v6

Tasks