Analysis

  • max time kernel
    168s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 06:35

General

  • Target

    b839c72e8a1fa5810d340b0a77eaf081270459993b663abceac786d0fb53393d.exe

  • Size

    54KB

  • MD5

    864a0ed5e08065090b6c2771825cdba7

  • SHA1

    3621734233dfc3401ec3e322b990aad542183a52

  • SHA256

    b839c72e8a1fa5810d340b0a77eaf081270459993b663abceac786d0fb53393d

  • SHA512

    8c417d1861d62455dd997bf90c980e97304e5672c464e37c3cac4b21e6fff48d6d264dbb28d857b1d3355a6023f2575146459c3603e3d2ab42c4232094bc0942

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>��A3 01 56 63 89 93 0C C5 1A 3E F8 73 59 D5 6A C2 35 25 18 84 12 90 B9 28 37 8E 5B A5 97 B2 8D 10 0B 4E E9 32 AB 64 68 0A D8 CD 6A 0E 56 56 8F EC 9F F7 65 41 A2 51 44 D4 55 31 1D 08 3F DB 9F 26 AE 24 85 21 48 B1 C6 55 56 14 CB F0 D5 0E 41 54 EE 19 17 E7 1C 0A C0 98 4B 3F 80 50 3B AC A3 19 C5 8C D0 13 27 33 FD E3 E8 25 07 46 DF FF E4 F7 EB 15 73 B5 AD DB D4 A7 78 24 12 F3 1F E7 F0 F8 87 43 02 7F 1C 46 20 9C 09 1A 9E 72 24 6E 8A 8B 68 F3 7B 11 EA 94 ED CE 50 C3 01 00 89 81 6B 49 B8 31 8E 7F 7B E0 0D 4B CD 8D 25 01 AA 10 5F 0A E7 46 32 5E 73 F7 77 9A 0E 48 7F 6C 12 14 3C E5 FF 10 60 3C F1 6A 32 C7 3D B8 84 F9 44 4F 27 1C 4A AB D5 E5 48 E0 8E B1 7B 97 99 6C E8 45 66 63 55 8E 4F A2 75 8C 3E 04 FF E8 42 C2 B3 94 5F 8A 64 6F 4A B6 F1 09 94 3A 54 32 BD 3C 7B BB 4F F3 </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.

  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b839c72e8a1fa5810d340b0a77eaf081270459993b663abceac786d0fb53393d.exe
    "C:\Users\Admin\AppData\Local\Temp\b839c72e8a1fa5810d340b0a77eaf081270459993b663abceac786d0fb53393d.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:1436

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1436-55-0x0000000075801000-0x0000000075803000-memory.dmp

    Filesize

    8KB