Analysis
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max time kernel
139s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
25-01-2024 07:18
General
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Target
Device/HarddiskVolume3/Users/User1/Desktop/LetsDefend/SOC104 - Malware Detected/e8a091a84dd2ea7ee429.exe
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Size
473KB
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MD5
f83fb9ce6a83da58b20685c1d7e1e546
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SHA1
01c459b549c1c2a68208d38d4ba5e36d29212a4f
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SHA256
e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684
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SHA512
934ec9073a28b90e8df785bef49f224789da59f83729208b92dba0503e2894b3f48ed04b20de1ba49374b1cd26f0c87e8e5ab79e817258135e3be2c171f3f396
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SSDEEP
12288:v6l/7FpnaeoQbRLBYdunMCayql4YcQD+AgJbAWgjbgpQ:CDna43YAKl4Yci+AggEpQ
Score
10/10
Malware Config
Extracted
Path
F:\$RECYCLE.BIN\DECRYPT-FILES.html
Ransom Note
<html>
<head>
<script>
function CopyToClipboard(containerid) {
if (document.selection) {
var range = document.body.createTextRange();
range.moveToElementText(document.getElementById(containerid));
range.select().createTextRange();
document.execCommand("copy");
} else if (window.getSelection) {
var range = document.createRange();
range.selectNode(document.getElementById(containerid));
window.getSelection().addRange(range);
document.execCommand("copy");
alert("Base64 copied into the clipboard!")
}
}
</script>
<style>
html{ margin:0; padding:0; width:100%; height:100%; }
body { background: #000000; color: #ececec; font-family: Consolas };
.tooltip {
position: relative;
display: inline-block;
border-bottom: 1px dotted black;
}
.tooltip .tooltiptext {
visibility: hidden;
width: 120px;
background-color: #555;
color: #fff;
text-align: center;
border-radius: 6px;
padding: 5 px 0;
position: absolute;
z-index: 1;
bottom: 125%;
left: 50%;
margin-left: -60px;
opacity: 0;
transition: opacity 0.3s;
}
.tooltip .tooltiptext::after {
content: "";
position: absolute;
top: 100%;
left: 50%;
margin-left: -5px;
border-width: 5px;
border-style: solid;
border-color: #555 transparent transparent transparent;
}
.tooltip:hover .tooltiptext {
visibility: visible;
opacity: 1;
}
p#base64{
-ms-word-break: break-all;
word-break: break-all;
-webkit-hyphens: auto;
-moz-hyphens: auto;
-ms-hyphens: auto;
hyphens: auto;
}
p#base64:hover{
cursor: hand;
}
</style>
</head>
<body>
<table style="position: absolute;" width="100%">
<tr>
<td style="width: 25%;">
<td style="width: 50%;">
<div style="text-align: center; font-size: 20px;">
<p><b>Maze ransomware</b></p>
<p>*********************************************************************************************************************</p>
<p>Attention! Your documents, photos, databases, and other important files have been encrypted!</p>
<p>*********************************************************************************************************************</p>
</div>
<div style="text-align: center; font-size: 18px;">
<p><b>What is going on?</b><br>Your files have been encrypted using strong reliable algorithms RSA-2048 and ChaCha20 with an unique private key for your system</p>
<p>You can read more about this cryptosystem here: <a href=https://en.wikipedia.org/wiki/RSA_(cryptosystem)>https://en.wikipedia.org/wiki/RSA_(cryptosystem)</a></p>
<p>The only way to recover (decrypt) your files is to buy decryptor with the unique private key</p>
<p><u>Attention! Only we can recover your files! If someone tell you that he can do this, kindly ask him to proof!</u></p>
<p>By us you can decrypt one of your files for free as a proof of work that we have the method to decrypt the rest of your data.</p>
<p>In order to either buy the private key or make test decryption contact us via email: <br> <u><b>Main e-mail: [email protected]<br>Reserve e-mail: [email protected]</b></u>
<p>Remember to hurry up as email address may not be available for very long as soon as law enforcements of different countries always trying to seize emails used in ransom companies
<p>If you are willing to pay but you are not sure knock us and we will save your e-mail address. In case the listed addresses are seized we will write you from the new one</p>
<p>Below you will see a big base64 blob, you will need to email us and copy this blob to us.<br>you can click on it, and it will be copied into the clipboard.</p>
<p>If you have troubles copying it, just send us the file you are currently reading, as an attachment.</p>
<p>Base64: </p>
</div><div style="text-align: center; font-size: 12px;"><p id="base64" onclick="return CopyToClipboard('base64')" class="tooltip">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<span class="tooltiptext">Click here to copy</span></p></div></td><td style="width: 25%; text-align: right;"></tr></table></body></html>
Emails
[email protected]<br>Reserve
[email protected]</b></u>
Signatures
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Maze
Ransomware family also known as ChaCha.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\User1\Desktop\LetsDefend\SOC104 - Malware Detected\e8a091a84dd2ea7ee429.exe"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\User1\Desktop\LetsDefend\SOC104 - Malware Detected\e8a091a84dd2ea7ee429.exe"1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wbem\wmic.exe"C:\sgaqr\..\Windows\q\xo\..\..\system32\he\msmyt\..\..\wbem\nnwi\n\mk\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\wmic.exe"C:\yvs\..\Windows\xi\..\system32\bhei\jdrd\..\..\wbem\nnr\w\ttkke\..\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
940B
MD574354b3f7c4821943b57e1e0856dae69
SHA1c42f34f42811ca4c399abf17a8b6df5240475e8b
SHA2566ac90b35b89d5281229b425c80c1ea3af18caf351f2f9d0d18ce6230290f7078
SHA512544015313d4629786caddd490b1a9f00f07298c1f79b712331daaef608671a1b24369b54f5e4750d5d9af480779fb2a7cd1998865e552792e2d19d96fc13a654
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Filesize
6KB
MD52e0a44f3a9f10a5d5d708db968e1496a
SHA16c4da7306efd223dc6798a5f6ba5644a100f7945
SHA256134eba2ab18bdd5db2f938cbe98e1b4c66c2ed5f913818f4b132e02665dd53ce
SHA51202d02c8f277301c5575dfa5b9ccf2734704fdce7ce887f841cb575e335bed2cade9f168cf144e4539596fdd0916f9273474a8de935dc3301e862332a0880656e
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Filesize
356KB
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Filesize
364KB
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Filesize
364KB
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Filesize
364KB
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Filesize
364KB
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Filesize
364KB