General
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Target
https://github.com/Endermanch/MalwareDatabase/blob/master/trojans/MEMZ.zip
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Sample
240805-wkztkstdmm
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>jzOfqM33DRzcDZ4FdUii3b9Fu23IPreJi8yggf5ZWSIZZSugd3QuUIhzm5hak+u2/AQUDP+SrrsEHYYOqP8V7k+tuLv4bF0NCXfjKfy0JYM3abB0zMpV2/35QJ3SCyB/rBfEfzm7me3+Zk15iEPaCJ54iNXt/CpD4Wi4KAgvQx+AS2Vd9ouA8SV3EeWhuQiUkOW+1Suv9IHaftu9z2XBFDdR9EolNGA77JOOU2bnneALGB/MEog8u/wvBfuoXA44mPEFgZILtvuKELaWaP5ghatHbOtGrMTPdqgu9comWwIHi3sAg3hiRPNW9TWISEHGxqFVNbCuAGb40Bs7QsyP9Q==ZW4tVVM=</p></td>
</tr>
</tbody>
</table>
</center></html></body>
Targets
-
-
Target
https://github.com/Endermanch/MalwareDatabase/blob/master/trojans/MEMZ.zip
Score10/10-
Fantom
Ransomware which hides encryption process behind fake Windows Update screen.
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InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
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Renames multiple (1031) 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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Executes dropped EXE
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Legitimate hosting services abused for malware hosting/C2
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