Overview

overview

10

Static

static

1

Fantom.zip

windows7-x64

10

Fantom.zip

windows10-2004-x64

1

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General

  • Target

    Fantom.zip

  • Size

    164KB

  • Sample

    241027-151zla1ndq

  • MD5

    23951f15badb4b0a89f6bfc7811b0d4b

  • SHA1

    91d0c8260a8d285fea969bd701c6eb5ab901fa53

  • SHA256

    f545b85449ee3812dcb219f173f010b76378a84acd3e5bbe1e7b2e308bfd7c64

  • SHA512

    a3bf31ce8fb2b7dadf71a07e7765d110308aa419897f0a3dceb1e09be1c6322e69e043f500c5c3489388fcad4930a4795773bd2bbe2c232d5e8ca587b9beadf5

  • SSDEEP

    3072:YsWGu6reSVacfSCgmzgtgXD6OOMe96MneBMOG/PVoj13KBMwIuGc/YYoj13KNsqR:K7ougpOL/saqkPV9FemLtcsDSsmw89p2

Score
10/10
fantomdefense_evasiondiscoveryevasionexecutionimpactransomware

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>LdfiJOJN2Wg4qfCjS20NodaobZpIwhWf8Mhllwn93mwBRb/1gnIlp5pZIB9WgEIVhmFJv6u8tYKCqZiZOz7zvOEdvuB2iKpXhS9ag7VZP/zZ1SE/WwPDOw68d3ZfOM2ruUyenqSTbrNt2z9y6uPDlFuU58dxmZAOFylceGGH2WqcvXxUeBnZCBzdN8wG8nE2YDruLucQYyG4BYjYOMpg81lX/vXdltPSsNNXMCaq6dquC9zeu7QY7yMcz1i5KicOnlIvPHx5nszmSQ6Fl1ET5h86cywzk2VAKiRtx7q5ByH4mdHy5pcWBeFVv7HoCnpsar1whtmJZCk1EztXtCqA2A==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Extracted

Path

C:\$Recycle.Bin\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: H+WVZXCjkTEyHMX67VPqgEUF0iisqlkx5ciXP5xyG8N1YMeaVIObaCqGE5AfnKpAqcQV2Ek+Fwn7kE3B0YQzXPPLfnAZmB+KHoUIYn+P+h/FGJgxEJS11Rl7plNiuCixW8DBO4FPEo9KmYLINmPlCRgZdxi59cN96aGuxNx2vTjFRedtMANBkbQ+uWc/RNsA3OQxbpPY96YsRvXcD+kbU+WrPycuA5l2wFPAbkwYe2Y2mi2Bi/zof8hwS2+ya5o7SXj878tpI6/3AsbxSZfJe4jueebarPkMr/P988hH3xITkMMiRQduuDBzJoH1xSGeCTfxWRUTdCqouYO9lTFldw==ZW4tVVM=

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>LlZeHhBFUoxvpoF0SPOGwyYFDhB+meYY3zUOPzCY9a0LpATLcNvQpRwRD/7B4CZeBN70mHS2II06bi3xPFJoutmOaDnsyuHMurxnzgP8qOZRW4uFBtDEz3HQTxbeAyNRwMoIgdYcVCj2rw2AwPPSYVG/0xJYphRRdsae0rHgGgSSuU6RlGY5MY6pKwovyDLn83yi73wBEtv7RYsh+JEcUrs4os/aZ2QjA7hGtQWG7fMiNXUYEMFedkstRT+eS+c3f1q5nvADirN3jgefwwGeDGUZpLLNKq7jqZPg9+LO2mDVzk/psa1ZlU0oBhsIXtdddymDMs1/xMM8/wjQ3RX9Vw==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>mmo9+jZJNiCgOLKVFVydVF1G50XxNxwgqJ57zCNVD6ycuHSo2hdJaQOihwESzrG+PsJiAK7Ot4cPCabRnn/srKL8/29/FM2sm/l5g3bsgYOOEkfKnbWc0egJc2sIsDqyp7bQWySTHG+kMIhGS0hEcheVrUoBwq3LujKCHabyHVmTKgWkToI/5GOpDQKFc+AZi5HdF4OgJMNTKSMNL7V/3i1sgdkBMNqCte/0N2m4sIqK1cm4UgiMhLpWSfA/GH1eXWE7JyMwkiPhQ04OglfB6wDStE/Gm+fg2VdfnEdaUPZkg576k7oAJbW1lx9T3zXll0RTBNMYMY175iDyfQf4+w==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      Fantom.zip

    • Size

      164KB

    • MD5

      23951f15badb4b0a89f6bfc7811b0d4b

    • SHA1

      91d0c8260a8d285fea969bd701c6eb5ab901fa53

    • SHA256

      f545b85449ee3812dcb219f173f010b76378a84acd3e5bbe1e7b2e308bfd7c64

    • SHA512

      a3bf31ce8fb2b7dadf71a07e7765d110308aa419897f0a3dceb1e09be1c6322e69e043f500c5c3489388fcad4930a4795773bd2bbe2c232d5e8ca587b9beadf5

    • SSDEEP

      3072:YsWGu6reSVacfSCgmzgtgXD6OOMe96MneBMOG/PVoj13KBMwIuGc/YYoj13KNsqR:K7ougpOL/saqkPV9FemLtcsDSsmw89p2

    Score
    10/10
    fantomdefense_evasiondiscoveryevasionexecutionimpactransomware

    • 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 (3019) 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

    • Drops file in Drivers directory

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks