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Analysis
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max time kernel
176s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
16/02/2022, 23:06
General
-
Target
33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe
-
Size
350KB
-
MD5
b352d33bb98d89a440c4c40663a49e9f
-
SHA1
dcc899f6481c868c8c787b9430752b7dac818f8c
-
SHA256
33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb
-
SHA512
ac726a5270f82fe5024fab5aa27d001ae63cc6256964bdf9b0c4398fd06981993c83bb692ea72d16ac708ce5c606debc54bb8169ea9245f593e11ce85cd65e9c
Score
10/10
Malware Config
Extracted
Path
C:\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: #000080; 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: 5px 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%;">
<span class="left" style="font-size: 14px; font-weight: bold">CODE:
<br>------
<br>00000 00000
<br>00000 00000
<br>00000 00000
<br>00000 00000
<br>00000 00000
<br>00000 00000
<br>00000 00000
<br>00000 00000
</span>
</td>
<td style="width: 50%;">
<div style="text-align: center; font-size: 20px;">
<p><s>0010 SYSTEM FAILURE 0010</s></p>
<p>*********************************************************************************************************************</p>
<p>Attention! Your documents, photos, databases, and other important files have been encrypted!</p>
<p>*********************************************************************************************************************</p>
<br>
</div>
<div style="text-align: center; font-size: 18px;">
<p>The only way to decrypt your files, is to buy the private key from us.</p>
<p>You can decrypt one of your files for free, as a proof that we have the method to decrypt the rest of your data.</p>
<p>In order to receive the private key contact us via email: <br> <b>[email protected]</b> </p>
<p>Remember to hurry up, as your email address may not be avaliable for very long.<br>Buying the key immediatly will guarantee that 100% of your files will be restored.</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>
<br>
<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;"><span class="right" style="font-size: 14px; font-weight: bold">IMMINENT SHUTDOWN:<br>------<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00<br>00000 00000 0 00</span></td></tr></table></body></html>
Emails
<b>[email protected]</b>
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.
-
Drops file in Windows directory 3 IoCs
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies data under HKEY_USERS 50 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe"C:\Users\Admin\AppData\Local\Temp\33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wbem\wmic.exe"C:\ypowu\inlli\..\..\Windows\f\..\system32\nhvac\a\..\..\wbem\bf\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken