Analysis

  • max time kernel
    192s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11/02/2022, 06:23

General

  • Target

    f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe

  • Size

    55KB

  • MD5

    b3000834ad97ab35ae29b881a92b4495

  • SHA1

    d5d63331e8b118acede2cad9e3618e64c3bd8e28

  • SHA256

    f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9

  • SHA512

    d3045b0163e9a13d82043e226353b30d4639585492c6740c79c65d45f406cc6c731c8fc874b7c86564a7ff0b19459b2fe0a4ac8125ccb50ed3af90726b06f45f

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>25 E3 B0 B2 F2 E9 AF 2A 80 2B AD 42 DB 3D B8 3E 28 5C 46 9E 31 56 D6 B8 E0 54 C1 A8 7F FD EC 61 DE 9A FD BC 92 F1 46 9C B0 85 42 53 18 17 4F 6D EE 13 C4 ED F4 24 0B F5 6D 1C AF 50 44 19 9C DE 1C D6 B0 82 0F 96 89 84 99 00 C1 7B B7 20 00 AC 1C 13 22 1C 5B 23 55 89 87 77 A2 F8 19 3D D8 9D D9 73 00 F2 EB 49 06 27 B9 68 F7 42 BB 42 CF CA D4 32 AB 04 6A D4 43 21 75 57 79 62 ED BB 03 6F B3 02 29 5D C6 0F 82 3D 7F A0 B2 32 36 31 F8 00 C8 1A 15 41 FB E0 4E FF 76 B3 C7 0F 58 68 B1 FD 65 1D 65 F8 35 2E 9E 7A E7 A3 1E 2A 63 D8 39 54 68 BD 50 70 F3 B0 79 27 AE CF E0 F2 C5 A1 D6 3C 06 28 7B 23 21 5F E2 03 D5 1A 29 27 AB 73 5A 80 A2 24 60 DD 1F 23 8C 8A 8D FE A9 7D FE 60 CC A2 D9 5C 7D 25 C4 04 0D 13 2D E4 3C 4C 0A 43 E2 94 B2 15 57 64 53 82 0B FB 68 19 B4 19 B7 0D 05 C6 </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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 9 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies data under HKEY_USERS 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe
    "C:\Users\Admin\AppData\Local\Temp\f44ac894925dfb689114d5e1d708d9ee56559187a55ab9bddbc0b8ca9f905ee9.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    PID:3424
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:612

Network

MITRE ATT&CK Enterprise v6

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Downloads