Overview

overview

10

Static

static

3

Fantom.exe

windows7-x64

10

Fantom.exe

windows10-2004-x64

10

Fantom.exe

windows10-ltsc 2021-x64

10

Fantom.exe

windows11-21h2-x64

10

Resubmissions

23-02-2025 02:33

250223-c18xmsvket 10

23-02-2025 02:32

250223-c1kj2svqgl 10

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General

  • Target

    Fantom.zip

  • Size

    198KB

  • Sample

    250223-c18xmsvket

  • MD5

    3500896b86e96031cf27527cb2bbce40

  • SHA1

    77ad023a9ea211fa01413ecd3033773698168a9c

  • SHA256

    7b8e6ac4d63a4d8515200807fbd3a2bd46ac77df64300e5f19508af0d54d2be6

  • SHA512

    3aaeeb40471a639619a6022d8cfc308ee5898e7ce0646b36dd21c3946feb3476b51ed8dfdf92e836d77c8e8f7214129c3283ad05c3d868e1027cb8ce8aa01884

  • SSDEEP

    6144:gEXMZKhTuDA9rBNxIzdZgNbSEehM1Kq+i:gVKNuKdIzcNbxD1f+i

Score
10/10
fantomdefense_evasiondiscoveryexecutionimpactransomwarespywarestealer

Malware Config

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>l4gF+v7v4xwfl2nAw4U/GFgSs/jZlbU4Mlkqfqz3yK+2PqzqPHkoC188y/B27AzWixxina/ND75O/0q4vCkhUweIRiBQbK/n3hgVuwGZbwpPp7gFZIvk4U1MR8toFh2jBGxtA6xwfhvsBgLS62/UY7qpGTPMl2J3YBRGErmolsCbj7qQw8imUzv7LPrZ03ylP3HMMIW16ipS1IuFBw3/zVtaBLlRl/OwkhPyxrv5Kig5COQg4VIc2DwCAD8JAg+MZHZRAKGMrpruZY9qsl7SQghWmHbZ7/71kJKAiDw+aS83YKHi5DaRMgZgCAWHBQnxs9HyjNx35eiT2yK2VLvaIg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

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>euCp6uftoo6LsHS5CSajBSWFspv5DAjvjwk2k4/bZZs5aSpj93uu7A4j+oFUuyjBoaOx+eU6OFkFDh1WMn4/f2OO6tHkauTBhdWfhmepvZKA+MYB81cIku4tDZIZKP7hginkYLf143mjPcsLrRLAUcuvucMlMQJchSd+KM/y4i5zRQYmriXOYfI3abHkLyKKZN3tVEbDnaNX2tsGSyet5401TMTAhF6eniPyoExmCfOdII6al5DmmpXko62NftiVtiAdnD0Fc+Za1ZyLznqpeNQffGz/6c4zcdNe3fSfiGWjq5zSxCuY+EB0MinMiBL5W6Xz1VciWaMV79O46Tk+4w==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

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>lNUAdEmRCG7MlzTNSB2avNMhnbN6btNFWo4acs+clRkqB8So4fGkFmBtzKA8qJPjdRvLobPBR619umNYI1Bz828y5d3HM7LWKkBGbxMsxjnRW3hZIedCJiRFZdi4izIloNnDK+uMf6GBcJCR7R69AXefXUaG4rkZZATO9yY3oyrcGQfYyDNIfYEoMyK72zT4skfClEg3vacggQhqYu9w9Isou2oeETHRGyvtJHriMLJn6aW1HfN5YzL9ImOOO5VcQ2jL0ZSZNoWRgr7j3zI7J4Zwz0TbVKRUagPMTASgB1QJ4NtmBD3YygX9dHHnMI3RQBqFsp+MSlXGhjngWMAnlg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

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>C/NfngtNMdLXM/Br1RduqtzrrVJI4fzG8ADNg6s4GHVoYs4FJeU7lh7I1I+amhiZCAC8PdWlzg8aulllwMHS6dfTdapln1GxKGD7mlZw0bW4EehoAe438+yM0h2N3hgt7zdFai+CDjI1yqyJ7KFMMrxntYCxaVhU05WsVQRV5c1gJzzDWuH3uXfI6MslEkB6JY6P9jD8Dk1iKZhg0/PCIQX33oW5Mzt1kspF/6DXWLLhBdsUuro6lZ51At+4/shSp85RGJRe+Q5JlzUz/5MtoKEa3tFaZsfX7Y7B0myBkwA2LYlopQ3nBXVlOe4AZJxBSgNFDkaZ4Ha/VEyxgC/GVQ==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
    fantomdefense_evasiondiscoveryexecutionimpactransomwarespywarestealer

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

      ransomwarefantom

    • Fantom family

      fantom

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (3028) 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

    • Drops file in Drivers directory

    • 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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks