Analysis
-
max time kernel
73s -
max time network
73s -
platform
windows11_x64 -
resource
win11 -
submitted
20-10-2021 13:43
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;">����������06 8E C3 5F 1D 1B 60 96 D9 3D D0 08 1C 01 A6 0F
28 CC A5 C7 2F 18 36 BA 06 8C 9B F3 38 45 71 7F
1E 04 61 82 8B 27 F3 60 DE BC 58 57 09 3F 63 34
E0 04 2A E1 48 11 11 3A 28 D2 03 B2 C2 6E 41 97
11 9E 4A F7 9D A7 E0 5E 60 CA 75 01 D0 4B 8F D5
DB 78 72 E3 01 D8 33 E3 9A C4 C5 E2 97 10 5B 0A
1B E8 9E 29 AD DD 03 47 F3 0D B2 26 27 E1 CC 86
09 D9 F9 79 EF 91 29 F0 80 26 9D A1 62 57 1D CB
80 99 B0 F5 0C 4D E6 4A 0C A8 AD 5E 7C 75 29 DC
C9 99 1D 37 0A 4B 25 1B B0 F7 67 05 04 97 F0 1C
79 61 71 E3 EA 89 4A 1E 5C AD BE 30 8E 98 A1 F5
A8 65 B0 01 F1 57 EE 55 56 5A 42 19 9D DF D8 BF
D5 1E E2 3E CB E1 3F 2F 52 24 56 45 9C 7F C4 3A
03 12 EA 25 26 FA 63 19 A6 D7 5A 40 22 79 D7 52
67 AF 53 0B AD B8 93 D9 73 63 64 61 6B C7 33 51
93 47 CB 6C 05 DE 8A A9 E8 C9 64 F1 DE 1F F3 74
</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
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Adds Run key to start application 2 TTPs 2 IoCs
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Drops desktop.ini file(s) 28 IoCs
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Drops file in Program Files directory 64 IoCs
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Modifies data under HKEY_USERS 1 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\rbs.exe"C:\Users\Admin\AppData\Local\Temp\rbs.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
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C:\Windows\System32\Upfc.exeC:\Windows\System32\Upfc.exe /launchtype periodic /cv kJH0vQ/BqkKCLRpSZt3qDw.01⤵
-
C:\Windows\System32\sihclient.exeC:\Windows\System32\sihclient.exe /cv hT4RkUrQU0KJr6hWfqbv1w.0.21⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s W32Time1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4512-146-0x00000166F1670000-0x00000166F1680000-memory.dmpFilesize
64KB
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memory/4512-147-0x00000166F16F0000-0x00000166F1700000-memory.dmpFilesize
64KB
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memory/4512-148-0x00000166F3CF0000-0x00000166F3CF4000-memory.dmpFilesize
16KB