Analysis

  • max time kernel
    169s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:50

General

  • Target

    65473586b66fc3f24dee97ff623c7762d522296d8b77362dede88be2682d0cf7.exe

  • Size

    54KB

  • MD5

    1c47f3b636dbd6b9d2ea44c5eb8855c6

  • SHA1

    67e50f7f23e3570afdd1301578be3f10c9f44861

  • SHA256

    65473586b66fc3f24dee97ff623c7762d522296d8b77362dede88be2682d0cf7

  • SHA512

    77958ac3c38837d8d03893f1606930ca6579f2b6825af40ac49d298952a7aacb39d0e6d2a98848c00e8a0a4c7dfc4b35bf4ab4fc08b0dead35627649c0c610b1

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>��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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>&#9763; Your files are encrypted! &#9763;</h1> <hr/> <h3> &#11015 To decrypt, follow the instructions below. &#11015 </h3> <br/> <div class="text"> <!--text data --> To recover data you need decrypt tool.</br> To get the decrypt tool 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). Send me this ID in your first email to me</p> We will give you free test for decrypt few files (NOT VALUE) and assign the price for decryption all files</p> After we send you instruction how to pay for decrypt tool and after payment you will receive a decrypt tool and instructions how to use it We can decrypt few files 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> ��������������

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 19 IoCs
  • Drops file in Windows directory 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65473586b66fc3f24dee97ff623c7762d522296d8b77362dede88be2682d0cf7.exe
    "C:\Users\Admin\AppData\Local\Temp\65473586b66fc3f24dee97ff623c7762d522296d8b77362dede88be2682d0cf7.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:1492
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:5004
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1084

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/5004-130-0x000002B427380000-0x000002B427390000-memory.dmp

    Filesize

    64KB

  • memory/5004-131-0x000002B427B60000-0x000002B427B70000-memory.dmp

    Filesize

    64KB

  • memory/5004-132-0x000002B42A760000-0x000002B42A764000-memory.dmp

    Filesize

    16KB