Analysis
-
max time kernel
161s -
max time network
139s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
20-10-2021 09:41
General
-
Target
rbs.exe
-
Size
53KB
-
MD5
c6edb2242607a0e09ac7cddc4d65443f
-
SHA1
8a09c4f1b8c930b6f3fff304e4fc6dc12639820d
-
SHA256
4ef4c2b02aeef11ca823584186903598cdf844eb1d089ca94c2aedd776e901cd
-
SHA512
4a79134da78fdf5e11323ad234764c48adc6c7269d7814b8e17373971d3de101e048a7975fb47bf946b6df71f94885ef80ded8903bf31fae49a8e5d21433d692
Score
10/10
Malware Config
Extracted
Path
C:\how_to_back_files.html
Ransom Note
<html>
<style type="text/css">
body {
background-color: #f5f5f5;
}
h1, h3{
text-align: center;
text-transform: uppercase;
font-weight: normal;
}
/*---*/
.tabs1{
display: block;
margin: auto;
}
.tabs1 .head{
text-align: center;
float: top;
padding: 0px;
text-transform: uppercase;
font-weight: normal;
display: block;
background: #81bef7;
color: #DF0101;
font-size: 30px;
}
.tabs1 .identi {
font-size: 10px;
text-align: center;
float: top;
padding: 15px;
display: block;
background: #81bef7;
color: #DFDFDF;
}
.tabs .content {
background: #f5f5f5;
/*text-align: center;*/
color: #000000;
padding: 25px 15px;
font-size: 15px;
font-weight: 400;
line-height: 20px; }
.tabs .content a {
color: #df0130;
font-size: 23px;
font-style: italic;
text-decoration: none;
line-height: 35px; }
.tabs .content .text{
padding: 25px;
line-height: 1.2;
}
</style>
<body>
<div class="tabs1">
<div class="head" ><b>Your personal ID:</b></div>
<div class="identi">
<span style="width:1000px; color: #ffffff; font-size: 10px;">����������77 34 73 51 2C 04 94 E6 33 93 71 C1 32 51 31 7C
33 21 DD 54 1F 0D 10 7F 5E 0E 17 00 41 4B DE CD
ED 55 EC 14 0E 35 B4 19 06 5C 8E C5 0A 22 C9 8F
2E E8 10 F2 C6 49 93 CD 25 85 D9 65 53 2D 9F 94
4D 56 0C AB 86 E5 1C 0B 79 E8 29 71 37 D2 7C 1E
03 92 29 D0 9E F0 2D 6E FB B7 9A 30 F2 DB 9D 5B
10 F6 F7 84 20 D5 35 1C F3 F6 FA F3 B4 1F FC 42
AD 03 40 4D 72 7B E1 2E 33 2A 39 C0 F9 4C 6B 16
C5 DB E7 91 EE 3E 96 8B E0 B1 B5 26 3C 3A 56 76
6A DD DA 48 9D BD 84 FC 7A 3F 07 C3 2F A5 14 0A
84 57 71 34 85 63 42 76 60 74 A5 39 0F C0 C4 F8
58 44 4C 86 CA A6 20 84 7D 21 5E 57 E7 49 B8 19
0D 30 26 5D FE AE A8 C3 75 5D A7 8B 50 E8 30 AA
DB 7C 96 C3 81 36 18 67 C2 37 0A 52 57 59 80 CE
7D 22 6E 06 02 EA BE 77 08 5F 4D D5 03 73 35 35
EB 42 F0 5C B7 CD F1 55 E7 1B 52 87 DB AE 77 84
</span> <br>
<!-- !!! dont changing this !!! -->
</div>
</div>
<!-- -->
<div class="tabs">
<!--tab-->
<div class="tab">
<div id="tab-content1" class="content">
<div class="text">
<!--text data -->
<b>/!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\</b><br>
<b>All your important files have been encrypted!</b><br><br>
<hr>
Your files are safe! Only modified. (RSA+AES)<br><br>
ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE<br>
WILL PERMANENTLY CORRUPT IT.<br>
DO NOT MODIFY ENCRYPTED FILES.<br>
DO NOT RENAME ENCRYPTED FILES.<br><br>
No software available on internet can help you. We are the only ones able to<br>
solve your problem.<br><br>
We gathered highly confidential/personal data. These data are currently stored on<br>
a private server. This server will be immediately destroyed after your payment.<br>
If you decide to not pay, we will release your data to public or re-seller.<br>
So you can expect your data to be publicly available in the near future..<br><br>
We only seek money and our goal is not to damage your reputation or prevent<br>
your business from running.<br><br>
You will can send us 2-3 non-important files and we will decrypt it for free<br>
to prove we are able to give your files back.<br><br>
<!--text data -->
<hr>
<b>Contact us for price and get decryption software.</b><br><br>
<a>.onion</a><br>
* Note that this server is available via Tor browser only<br><br>
Follow the instructions to open the link:<br>
1. Type the addres "https://www.torproject.org" in your Internet browser. It opens the Tor site.<br>
2. Press "Download Tor", then press "Download Tor Browser Bundle", install and run it.<br>
3. Now you have Tor browser. In the Tor Browser open <a>.onion
</a><br>
4. Start a chat and follow the further instructions. <br><br>
<hr>
<b>If you can not use the above link, use the email:</b><br>
<a href="help_24_decr1@outlook.com ">help_24_decr1@outlook.com </a>
<br><a href="help_24_decr2@outlook.com">help_24_decr2@outlook.com</a>
<br>
<b>* To contact us, create a new free email account on the site:</b> <a href="https://protonmail.com">protonmail.com<br> <hr>
<b>
IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</b><br>
</div>
</div>
</div>
<!--tab-->
<!--text data -->
</div>
</div>
<!--tab-->
</div>
</div>
</body>
</html>
���������
Emails
href="help_24_decr1@outlook.com
">help_24_decr1@outlook.com
href="help_24_decr2@outlook.com">help_24_decr2@outlook.com</a>
Signatures
-
Modifies extensions of user files 3 IoCs
Ransomware generally changes the extension on encrypted files.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 25 IoCs
-
Drops file in Program Files directory 64 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rbs.exe"C:\Users\Admin\AppData\Local\Temp\rbs.exe"1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Drops file in Program Files directory