Analysis

  • max time kernel
    172s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 06:45

General

  • Target

    81e067be36ba889ed4de707129d7e1f08f2ef56270422bea03967df1ab5242b5.exe

  • Size

    54KB

  • MD5

    95755470bef529c0087e799f471588aa

  • SHA1

    adc63f3cbf4890fea962b4b0891acccbad350668

  • SHA256

    81e067be36ba889ed4de707129d7e1f08f2ef56270422bea03967df1ab5242b5

  • SHA512

    f7a414c716de72c4b33910677222113931208269c2ce6c818052b1e5bf128282a47b5260497f8ec7aebfd54e219df66226f63d2ac91eb137b7eb90b5743e105e

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> <body> <div class="tabs"> <div id="tab-content1" class="content"> <h1>Your files are encrypted! </h1> <hr/> <br><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</h1></center> <br><center>---------------------------------------------------------- </br></center> You will be able to restore files so: <li> to contact us by e-mail: <strong> [email protected] </strong></li> You send your personal ID and 3 crypted files, up to 3 MB in size everyone. 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> you pay and confirm payment.</li> <li> after payment you receive the DECRYPTOR program, which restored ALL YOUR FILES.</li> <center>---------------------------------------------------------</center> <div class="note private"> <div class="title">Your personal ID:</div> <pre>���������9C 32 2B 90 34 02 FA FB 21 D8 93 DF 28 8C D1 78 EC 5C 3B BC 55 3C F2 7F DF F2 66 4D 80 00 2C 36 E8 77 25 C6 A8 B0 48 D2 D0 0C 38 4D 65 70 AC B1 8E 0E E8 D7 22 8E 7C C3 2D 4E F7 C2 36 63 C1 FB 47 2F D7 EC FD 04 40 94 F6 DA B6 13 38 40 59 51 CA 5A 4D 55 22 BF 33 8F EC 4D C2 BB 4A 80 3D 68 57 29 D3 58 29 05 1B 0A 5A DB 92 48 70 25 F2 04 70 E5 ED 99 B7 AE C5 E4 87 E8 60 FC F3 46 BC 3D BA 8D 0B AB 4F 2C 01 AB 6D F4 19 87 68 9E D3 F3 CD 9B 9A 39 F8 45 2F D1 11 B9 34 14 71 6B 84 C6 8E BE 05 BE 2A DF 24 6A 2F EC AB E6 FF DF 0E C8 0F 3C C4 A3 7E CA 13 07 89 FD AA E0 66 35 64 2F D8 76 DA 2C E1 A1 58 4A 9C 5D 5C 1D 50 E7 02 AD AF 74 2A AE FB 99 E7 89 11 45 1E 96 04 B8 E7 19 EC 28 11 CE 0C B5 68 5C 0D E3 F8 56 15 81 C5 20 E1 1F 64 4B B6 ED 81 28 2A 02 8D 90 78 BF B5 CD </pre> </div> <center>----------------------------- P.S. ----------------------------------</center> <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> </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\81e067be36ba889ed4de707129d7e1f08f2ef56270422bea03967df1ab5242b5.exe
    "C:\Users\Admin\AppData\Local\Temp\81e067be36ba889ed4de707129d7e1f08f2ef56270422bea03967df1ab5242b5.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:3752
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3088
  • 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:2932

Network

MITRE ATT&CK Enterprise v6

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Downloads