General
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Target
https://malware.testcategory.com/
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Sample
240420-nma91afe42
Score
10/10
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>TljEdvQ1aTXbXhM9mcEO3xYK+v23CDJUwNh6VCU1eutr7sIYxGaFTHBQQjQcudLcVK1b8yiLi+rWA+QjOma37yq67IxJJPm/C3T+C9rTZ8mvqVQNdlXk/0Hjxn3KCroPOWcbgjL3ZksDeEmIfNoZd4xTzUEdg1mkrQ4nfJwgFQ/YXIFuwS/04E/Oy1hZEh+fi0bjoQDp6tdDv1XCknw7srG0AZ1Ks+JNkYJ6DmLmz+UE1uEWwUAunyojrMDbu2zTEkRK9wYgbBDaZRv5KSmxPyzP5Zlr/erESCcIJul1KzPfg2NHUQctha5HnP7UkTtg/U2QiDb/FQWcThXdZXgVoA==ZW4tVVM=</p></td>
</tr>
</tbody>
</table>
</center></html></body>
Extracted
Path
C:\PerfLogs\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:
hEo1HSSpPwrQp885Pt6xHy3i8Dvw9brWxTcwmrBAOdN91RGRfaFJmS8MwudiFk+pE2N/SIlxKHeB8H47AIpSw9Ok+uxyG8npy9KlkAm5S0k9Aq8a+8N9fzgJTHKuyDth0vY6VUQoluBXIqale/sEdpDInIITKaK1Rqjsx5yYTTcGTO3qYD67C2DiggN8kuwIMFqHl3VddyO2NxK998XZ+rbaDqMFVu2Q7kr6F53uHLJmRw/LiWivOZYRg5GaQVmWU8p6SGsH3B9Q4P8+09LMIiTimNE7WDdZBmRRhmnrMfyLWRJAN1pLOhaWIzQ2WEvrigdwgpJcyUfSpOsVN8GFJg==ZW4tVVM=
Targets
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Target
https://malware.testcategory.com/
Score10/10-
Fantom
Ransomware which hides encryption process behind fake Windows Update screen.
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Renames multiple (4988) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Disables Task Manager via registry modification
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Downloads MZ/PE file
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Drops file in Drivers directory
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Drops startup file
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Executes dropped EXE
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Drops Chrome extension
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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