Analysis
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max time kernel
153s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
12-10-2023 12:56
General
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Target
d65fa9ed1220cfa12d22239ca62a4b5978bb613090fc1dcb0cccdf191151d125.exe
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Size
351KB
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MD5
391370b48b8f64f86c628742b03de53a
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SHA1
0c4ef4daef2458ae999d2d3bf3ee837491369a25
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SHA256
d65fa9ed1220cfa12d22239ca62a4b5978bb613090fc1dcb0cccdf191151d125
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SHA512
62527b56eb597c1a177f154793f0734ed3e54df7dfd36e619f07a44cee2e22190920fbd15d34a5c8fcdd54853cbad95a797c6fbadc0f5f19ddf25b13945b4adf
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SSDEEP
6144:nNlHAp8tUArLrLrLfMemq5MmsCdKSXZ/cJlCJ6AWJE9V50DErTNg/ydlb4fQ6wFL:G4DmGw6yDKNg6dNoQl+v
Score
10/10
Malware Config
Extracted
Path
F:\$RECYCLE.BIN\S-1-5-21-2890696111-2332180956-3312704074-1000\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>filedecryptor@nuke.africa</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>filedecryptor@nuke.africa</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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Drops startup file 4 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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 4 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\d65fa9ed1220cfa12d22239ca62a4b5978bb613090fc1dcb0cccdf191151d125.exe"C:\Users\Admin\AppData\Local\Temp\d65fa9ed1220cfa12d22239ca62a4b5978bb613090fc1dcb0cccdf191151d125.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:\cwmk\qbne\..\..\Windows\pd\..\system32\t\..\wbem\nuq\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\wmic.exe"C:\tim\i\ah\..\..\..\Windows\yisr\cuhs\dvby\..\..\..\system32\qur\u\..\..\wbem\gt\dbfhn\wqxit\..\..\..\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\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x508 0x53c1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_12D5AE826878445BB2DB1431BF9C280A.datFilesize
940B
MD53fe7a729cd7d565f305511888b16e766
SHA1949938375c1a51c1b73a7ae94110a2c21876fd44
SHA256196b6107fcaa98142a6ef89c442c6f7dc9b79fa59b55284dbd0d49762c260ff3
SHA512a732cb047e306819bd0e741524e53536d5f4b8259f6fd569c0a4e9c8c5655dd84b830958cf7eb01c368451381250fcca406013e1c1230633b101dde82768fbd6
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F:\$RECYCLE.BIN\S-1-5-21-2890696111-2332180956-3312704074-1000\DECRYPT-FILES.htmlFilesize
6KB
MD570f694511ef83e371efe623aa5dded34
SHA181b8b1ee49ee5e667a003475b10e6bd66589764d
SHA256f094f8ac2ef943bd3cc8b68e2f09316bcceed15b0c907c38328f3955a89fdc2c
SHA5126584094bc9aa05cb0d6e7d4d17ae579c3dc29e9e81f50360dc4a29c27805759fe02927d79aa39a91ed1d3ee3bebbbd5aa16d3856d97e286fe1ff1418c31978fb