Analysis

  • max time kernel
    166s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:34

General

  • Target

    bd37edfaf0007489f900f4d5260b461718a3c654d0bc0f3ef399d5d6749505b9.exe

  • Size

    53KB

  • MD5

    12d5ec60706f9a68f0fadd6050ccf9be

  • SHA1

    ab0622113d6c080e60ffbd886aaf0d2dd1e6a19a

  • SHA256

    bd37edfaf0007489f900f4d5260b461718a3c654d0bc0f3ef399d5d6749505b9

  • SHA512

    05034ed9254d2cc0402d324eea54426b21d8a1b641fcc83f3064333089d2bea1c0685dcbe060bba526a4cb18e17311ed94b6f4d28dfa3b765c84417268c5ed0c

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: #4A83FD; } .tabs1 .identi { margin-left: 15px; 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>���������������3A FB 8B A7 CA FE EB E9 FE 6E 60 18 51 D0 58 18 F4 F3 6C FB 65 4F AA EA 4C EB 56 BB 92 78 77 6F C8 67 DB 2A 4C 7E 9E FE 8F EB BD 9B 29 F2 4E 06 6A 3C 3D 83 58 01 5A 47 58 6B A8 07 99 A9 2B 6A 8B B2 6B 83 DF 0E 32 A9 70 44 36 81 7C 6D AD 24 E1 9D 90 87 42 D6 96 56 DF 3D 0D E0 2D CA A8 E8 4B DB 71 9C B7 89 8B 12 2C 5D 47 3F 37 F5 D2 36 9E 2A BD 5D 28 8C 14 DB B6 A0 E9 5F 48 C9 8B 5F 67 8F F0 A7 F7 B8 65 89 7B B8 19 27 E2 CD 66 16 3B 1C 3D 8F 9E 87 C0 C2 D6 DB CB D0 81 FE 27 59 E2 CA 8B 52 09 FC BB C4 F2 8E 74 5B 3A FB 2A 3A E7 98 21 E9 AE D6 A0 2F 04 F7 AE 27 0F F8 8C BD E3 95 F2 A7 52 13 38 91 56 B7 43 44 09 DF AF 9D EB 61 3E C0 7C 5F 29 FB B3 8B 1D 2E 2D 69 2A 09 0C 2A FD 9D 9B 04 7F 6D AA E7 94 10 35 3E EE A2 76 FA 43 FF E4 6E D1 48 B1 F5 6B B0 3D 19 82 5F </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>&#9760; Your files are encrypted! &#9760;</h1> <hr/> <h3>All your important data has been encrypted.</h3> <br/> <div class="text"> <!--text data --> <h3>To recover data you need decryptor.</br> To get the decryptor you should:</br> 1. Copy your personal ID. You can find it at the beginning of this page<br> 2. Contact support by email [email protected] or [email protected] and send your personal ID.</h3> In the first letter to us you can attach one encrypted file for free decrypt. We can decrypt one file in quality the evidence that we have the decoder.</br> <center>Attention!</center></br> <ul> <li>If files locked on multiple PC's of your company we will provide universal decryptor for all computers in your network. Please let us know if files encrypted on multiple PCs</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
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd37edfaf0007489f900f4d5260b461718a3c654d0bc0f3ef399d5d6749505b9.exe
    "C:\Users\Admin\AppData\Local\Temp\bd37edfaf0007489f900f4d5260b461718a3c654d0bc0f3ef399d5d6749505b9.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:2768
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2640
  • 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:2584

Network

MITRE ATT&CK Enterprise v6

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Downloads