Analysis
- max time kernel
174s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
11/02/2022, 06:52
General
- Target 5e420e8d8e9c10de757f9cda8cf5deff9feccee2c87f5508e0d2e0b6ccce6600.exe
- Size 53KB
- Sample220211-hnc74acac2
- SHA256 5e420e8d8e9c10de757f9cda8cf5deff9feccee2c87f5508e0d2e0b6ccce6600
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 test image or text file <span> [email protected]</span>.</br> In the letter include your personal ID (look at the beginning of this document).</p> Cost of decoding 1200USD. NO discount. Payment is accepted only bitcoin</p> You can buy bitcoins in your bank or from private currency exchangers. After receiving the payment, you will receive a decryptor that will automatically restore the data + practical tips for protecting your server from hacking.</br> <center>Attention!</center></br> <ul> <li>Only [email protected] can decrypt your files</li> <li>Do not trust anyone [email protected]</li> <li>Do not attempt to remove the program or run the anti-virus tools</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
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[email protected]</span>.</br>
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[email protected]</li>
Signatures
- GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
- Modifies extensions of user files 6 IoCs
Ransomware generally changes the extension on encrypted files.
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops desktop.ini file(s) 19 IoCs
- Drops file in Windows directory 7 IoCs
- Program crash 1 IoCs
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies data under HKEY_USERS 1 IoCs
- Modifies registry class 30 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5e420e8d8e9c10de757f9cda8cf5deff9feccee2c87f5508e0d2e0b6ccce6600.exe"C:\Users\Admin\AppData\Local\Temp\5e420e8d8e9c10de757f9cda8cf5deff9feccee2c87f5508e0d2e0b6ccce6600.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
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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
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4924 -s 47002⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
-
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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 appmodel -p -s camsvc1⤵
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 4924 -ip 49241⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
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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/460-143-0x000001C994E80000-0x000001C994E84000-memory.dmp
memory/3652-130-0x0000025D76D40000-0x0000025D76D50000-memory.dmp
memory/3652-131-0x0000025D76DA0000-0x0000025D76DB0000-memory.dmp
memory/3652-132-0x0000025D79AC0000-0x0000025D79AC4000-memory.dmp
memory/4924-142-0x0000020B48CB8000-0x0000020B48CC0000-memory.dmp