Analysis
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max time kernel
172s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 06:37
General
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Target
b250e3ff68a6569eda6a288ad09bffb4ecb91bd7672e4b99ced95ca98a6d43f6.exe
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Size
55KB
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MD5
e82149cdc0027e71b501e5a1ff4c0f56
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SHA1
30ad88dfb0cf17dba6105f6651672727722671c1
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SHA256
b250e3ff68a6569eda6a288ad09bffb4ecb91bd7672e4b99ced95ca98a6d43f6
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SHA512
16be4c398ad23fdb1deee32f4f85a7e2d173071ed24e863092a0de5368a0651ce0f704339a976e22c292de308b8df31bc4741d42f83d6a807c1eb19d28495b68
Score
10/10
Malware Config
Extracted
Path
C:\how_to_back_files.html
Ransom Note
<html>
<style type="text/css">
body {
background-color: #404040;
}
{
margin: 0;
padding: 0;
}
h1, h3{
text-align: center;
text-transform: uppercase;
font-weight: normal;
}
/*---*/
.tabs1{
width: 800px;
display: block;
margin: auto;
position: relative;
}
.tabs1 .head{
text-align: center;
float: top;
text-transform: uppercase;
font-weight: normal;
display: block;
padding: 5px;
color: #FF0000;
background: #303030;
}
.tabs1 .identi {
margin-left: 0px;
line-height: 13px;
font-size: 13px;
text-align: center;
float: top;
display: block;
padding: 15px;
background: #303030;
color: #DFDFDF;
}
/*---*/
.tabs{
width: 800px;
display: block;
margin: auto;
position: relative;
}
.tabs .tab{
float: left;
display: block;
}
.tabs .tab>input[type="radio"] {
position: absolute;
top: -9999px;
left: -9999px;
}
.tabs .tab>label {
display: block;
padding: 6px 21px;
font-size: 18x;
text-transform: uppercase;
cursor: pointer;
position: relative;
color: #FFF;
background: #4A83FD;
}
.tabs .content {
z-index: 0;/* or display: none; */
overflow: hidden;
width: 800px;
/*padding: 25px;*/
position: absolute;
top: 32px;
left: 0;
background: #303030;
color: #DFDFDF;
opacity:0;
transition: opacity 400ms ease-out;
}
.tabs .content .text{
width: 700px;
padding: 25px;
}
.tabs>.tab>[id^="tab"]:checked + label {
top:0;
background: #303030;
color: #F5F5F5;
}
.tabs>.tab>[id^="tab"]:checked ~ [id^="tab-content"] {
z-index: 1;/* or display: block; */
opacity: 1;
transition: opacity 400ms ease-out;
}
</style>
<head>
<meta charset="utf-8">
<title>HOW TO DECRYPT YOUR FILES</title>
</head>
<body>
<div class="tabs1">
<div class="head" ><h3>Your personal ID</h3></div>
<div class="identi">
<pre>��15 1E A0 FF C4 26 B4 C5 AF 38 46 BF 26 B8 4D A9
E7 08 E5 A1 B3 00 49 6D 95 72 3F 01 E7 AF 58 0D
2C E6 3D 30 AE FD CD DC B8 74 A1 58 F8 66 11 8B
4E 80 56 80 22 9E AF 60 38 48 CA 73 35 3B 2A F5
5B 7A D8 A0 E4 41 5D D1 78 67 3B 3E 0F 24 EF 22
14 EB 2F 17 D3 C0 6E 4C 1B 69 4A B6 63 20 6F F1
17 84 9A BE 67 9E DD 2C A1 7C 91 88 13 D0 10 F5
E7 5F B7 29 00 48 15 12 C6 4F 8B 70 6B 19 FF 4A
D3 C4 11 11 BB 86 60 61 DB B3 BC C7 A3 EC 55 C5
91 82 65 99 44 CB 1A 74 86 3F 56 E1 E4 F3 28 11
49 B4 29 2A CA EF D4 97 D9 BC 1F 26 27 71 A0 F7
A6 21 04 94 9B 95 52 72 6A 69 9A 94 C7 36 85 0E
34 84 9A BF CD 27 D6 FC 03 5B 64 5A 2A 82 17 C7
3F 2A AC F5 AA 7B 31 FF 71 1D 89 A8 FD 5E A3 55
DF 70 56 B7 B8 8B 9E 37 09 54 40 C5 85 03 E1 B4
0D 8E 70 74 61 AB 87 5A DE 85 09 35 53 97 36 6C
</p>
</pre><!-- !!! dont changing this !!! -->
</div>
</div>
<!-- -->
<div class="tabs">
<!--tab-->
<div class="tab">
<input type="radio" name="tabs" checked="checked" id="tab1" />
<label for="tab1">English</label>
<div id="tab-content1" class="content">
<h1>☣ Your files are encrypted! ☣</h1>
<hr/>
<h3> ⬇ To decrypt, follow the instructions below. ⬇ </h3>
<br/>
<div class="text">
<!--text data -->
To recover data you need decryptor.</br>
To get the decryptor you should:</br>
<p>Send 1 crypted test image or text file or document to <span> <font color="FF0000"> [email protected] </font></span></br>
(Or alternate mail <font color="FF0000"> [email protected] </font>)<p>
In the letter include your personal ID (look at the beginning of this document).</p>
We will give you the decrypted file and assign the price for decryption all files</p>
After we send you instruction how to pay for decrypt and after payment you will receive a decryptor and instructions
We can decrypt one file in quality the evidence that we have the decoder.</br>
<hr color=red>
<center><p style="color:#FF0000">MOST IMPORTANT!!!</p></center>
<center><p style="color:#FF0000"> Do not contact other services that promise to decrypt your files, this is fraud on their part! They will buy a decoder from us, and you will pay more for his services.
No one, except [email protected], will decrypt your files.</p></center>
<hr color=red>
<ul>
<li>Only [email protected] can decrypt your files</li>
<li>Do not trust anyone besides [email protected]</li>
<li>Antivirus programs can delete this document and you can not contact us later.</li>
<li>Attempts to self-decrypting files will result in the loss of your data</li>
<li>Decoders other users are not compatible with your data, because each user's unique encryption key</li>
</ul>
<!--text data -->
</div>
</div>
</div>
<!--tab-->
</ul>
<!--text data -->
</div>
</div>
<!--tab-->
</div>
</div>
</body>
</html>
��������������
Emails
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
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Drops desktop.ini file(s) 9 IoCs
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Drops file in Windows directory 5 IoCs
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Enumerates system info in registry 2 TTPs 2 IoCs
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Modifies registry class 33 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b250e3ff68a6569eda6a288ad09bffb4ecb91bd7672e4b99ced95ca98a6d43f6.exe"C:\Users\Admin\AppData\Local\Temp\b250e3ff68a6569eda6a288ad09bffb4ecb91bd7672e4b99ced95ca98a6d43f6.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s camsvc1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
16KB
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Filesize
64KB
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Filesize
64KB
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Filesize
16KB