Analysis

  • max time kernel
    164s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:40

General

  • Target

    9d3de8b8910757dce998eff17564942b4e5db5a019ea25857c1d34dfed6c4a1c.exe

  • Size

    55KB

  • MD5

    cde054f5a6660e0f4668d81edb852312

  • SHA1

    ecfab9b856d5a2ced454d5b32176b3cba5a409cb

  • SHA256

    9d3de8b8910757dce998eff17564942b4e5db5a019ea25857c1d34dfed6c4a1c

  • SHA512

    2b2eee4e40c69cf1a8f7d4fdc5e1e6a98760cf1cd7d0384a878019c903b0783516440719b75f2f08be545d57192c659ab3fcefe8b474f47b274541cc843d9f34

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: #ff0000; } .tabs1 .identi { text-align: center; float: top; display: block; padding: 15px; background: #303030; color: #DFDFDF; } /*---*/ .tabs{ width: 800px; display: block; margin: auto; position: relative; /*height: 30px;*/ background: red; } .tabs .tab{ /*float: left;*/ display: inline-block; } .tabs .tab>input[type="radio"] { position: absolute; top: -9999px; left: -9999px; } .tabs .tab>label { display: block; padding: 6px 15px; font-size: 18x; text-transform: uppercase; cursor: pointer; position: relative; color: #FFF; background: #ff0000; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 100%; 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; outline: 1px solid red; } .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="tabs"> <!--tab--> <div class="tab"> <input type="radio" name="tabs" checked="on" id="tab1" /> <div id="tab-content1" class="content"> <h1>Your files are encrypted! </h1> <hr/> <div class="text"> <!--text data --> <center>Your documents, photos, databases and all the rest files encrypted cryptographically strong algoritm.<br> Without a secret key stored with us, the restoration of your files is impossible</center> <br> <center>----------------------------------------------------------</center> You will be able to restore files so: <ul><li>To contact us by e-mail: <strong> [email protected] </strong> & send your personal ID and 3 crypted files, up to 3 MB in size everyone.</li> <li>We will decipher them, as proof that we can do this. Also you receive the instruction where and how many it is necessary to pay.</li> <li>You pay and confirm payment.</li> <li> after payment you receive the DECRYPTOR program, which restored ALL YOUR FILES.</li></ul> <center>---------------------------------------------------------</center> <strong>Your personal ID:</strong> <pre>��������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pre> <center>----------------------------- P.S. ----------------------------------</center> <ul><li>It is in your interest to respond as soon as possible to ensure the recovery of your files, because we will not store your decryption keys on our server for a long time.</li> <li>If we do not respond to your message for more than 48 hours, write to the backup email : <strong> [email protected] </strong></li></ul> <!--text data --> </div> </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) 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d3de8b8910757dce998eff17564942b4e5db5a019ea25857c1d34dfed6c4a1c.exe
    "C:\Users\Admin\AppData\Local\Temp\9d3de8b8910757dce998eff17564942b4e5db5a019ea25857c1d34dfed6c4a1c.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:4656
  • 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:3844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3844-130-0x000001E92C360000-0x000001E92C370000-memory.dmp

    Filesize

    64KB

  • memory/3844-131-0x000001E92C920000-0x000001E92C930000-memory.dmp

    Filesize

    64KB