Analysis

  • max time kernel
    173s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 07:03

General

  • Target

    38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe

  • Size

    54KB

  • MD5

    42d81100b5441709ea07d1507a0a4530

  • SHA1

    6b1010d98e52254ce50beaa850e5c8b082e20b1b

  • SHA256

    38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1

  • SHA512

    7e2d6a653cf57134fffd500580d67261cacbff858b833c16387296f2b6ad58c624fbc5849eaeca3920294af93de17edbcbd6baf4dc92a28a5ec6b9167d2890d0

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 decryptor.</br> To get the decryptor 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).</p> We will give you the decrypted file and assign the price for decryption all files</p> After we send you instruction how to pay for decrypt and after payment you will receive a decryptor and instructions We can decrypt one file 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.

  • Modifies extensions of user files 8 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) 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe
    "C:\Users\Admin\AppData\Local\Temp\38d1be444577252cc759faf26f97ebc760be5397a060076edb3943faf71e6ef1.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:1556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1556-55-0x0000000075801000-0x0000000075803000-memory.dmp

    Filesize

    8KB