General

  • Target

    Fantom.zip

  • Size

    198KB

  • Sample

    240829-ks4a7asfqc

  • MD5

    3500896b86e96031cf27527cb2bbce40

  • SHA1

    77ad023a9ea211fa01413ecd3033773698168a9c

  • SHA256

    7b8e6ac4d63a4d8515200807fbd3a2bd46ac77df64300e5f19508af0d54d2be6

  • SHA512

    3aaeeb40471a639619a6022d8cfc308ee5898e7ce0646b36dd21c3946feb3476b51ed8dfdf92e836d77c8e8f7214129c3283ad05c3d868e1027cb8ce8aa01884

  • SSDEEP

    6144:gEXMZKhTuDA9rBNxIzdZgNbSEehM1Kq+i:gVKNuKdIzcNbxD1f+i

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>a5Z6d6tVbYKd+8j4WUqVQMpxBJvlsIXLBvKG2Bni3KI2DOHLoJ6ZtSIgvxA88AU0jmufacg0pHhcdIvmefO6P+y4d9SVpuUPiqDaxG/0oxczGlrXO172jDbOA9rbEuEkJ4s1v2YSwWlI/rpIrgXq3Lm2iCznK7NMIYIzYIxQzG1OqGyyGZVcQpO+9t9DzWhcRHf8xlti83HxKRx3obo4AtDzkUYl3NJof72JVQrEQiAlb13D9a+wx/Kl9vYhDDBZUIXIB07KDz8VnOItRpd3nqHs0vsOnxXvTthDDCTy9zghKtDqxO3E3Rf/m7fzRUnxk0OFFAQvbrS0TzGQsMNcqA==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

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Renames multiple (1022) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks