Analysis
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max time kernel
161s -
max time network
173s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16/02/2022, 23:03
General
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Target
4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe
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Size
350KB
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MD5
e57ba11045a4b7bc30bd2d33498ef194
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SHA1
63c349d542422e1e6068b897fb9340342414f4b3
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SHA256
4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9
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SHA512
5ef5c8c5924e091dcc75b0a8f6cd0a7b77349656a57b801370d8cdd5fca1fbb364cbb28cf3c7d588c6382d686ee672f9564e98275b7ce9049f1f0c2d730536bb
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.
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Modifies extensions of user files 14 IoCs
Ransomware generally changes the extension on encrypted files.
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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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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 43 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe"C:\Users\Admin\AppData\Local\Temp\4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wbem\wmic.exe"C:\q\jrla\dm\..\..\..\Windows\y\mxi\kv\..\..\..\system32\h\k\sj\..\..\..\wbem\blk\if\ljuda\..\..\..\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
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
8KB