Analysis
- max time kernel
170s - max time network
189s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
11/02/2022, 06:54
General
- Target 586ea8948abbf81d9d3422bdf3e311a7667ed5d617a4c2b483343210fc52e13c.exe
- Size 53KB
- Sample220211-hpb2escad4
- SHA256 586ea8948abbf81d9d3422bdf3e311a7667ed5d617a4c2b483343210fc52e13c
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: 15px; color: #000000; background: #4A83FD; } .tabs1 .identi { margin-left: 15px; 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>���������������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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>All your important data has been encrypted.</h3> <br/> <div class="text"> <!--text data --> To recover data you need decryptor.</br> To get the decryptor you should:</br> <p>Send 1 encrypted image or text file [email protected] - I will decrypt for free. The test file should not be of value / importance.</span>.</br> In the letter include your personal ID (look at the beginning of this document).</p> <center>Attention!</center></br> <ul> <li>•The cost of the decrypt is 1600 usd. payment is accepted only in bitcoins. you can buy bitcoin in your bank. NO discont</li> <li>•Restore your files can only me. be sure to make a copy before attempting to restore files from other services-otherwise I can not help you</li> <li>•Do not attempt to remove the program or run the anti-virus tools</li> <li>•if you did not receive a response within 24 hours, please contact us at:: [email protected]</li> </ul> <!--text data --> </div> </div> </div> <!--tab--> </ul> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html> ��
Emails
Signatures
- GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
- Modifies extensions of user files 5 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.
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops desktop.ini file(s) 23 IoCs
- Drops file in Windows directory 7 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\586ea8948abbf81d9d3422bdf3e311a7667ed5d617a4c2b483343210fc52e13c.exe"C:\Users\Admin\AppData\Local\Temp\586ea8948abbf81d9d3422bdf3e311a7667ed5d617a4c2b483343210fc52e13c.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2272-130-0x0000022531130000-0x0000022531140000-memory.dmp
memory/2272-131-0x0000022531190000-0x00000225311A0000-memory.dmp
memory/2272-132-0x0000022533EB0000-0x0000022533EB4000-memory.dmp