Overview

overview

10

Static

static

3a6fcfcdaa...7f.exe

windows7_x64

10

3a6fcfcdaa...7f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    173s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 07:02

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General

  • Target

    3a6fcfcdaa2e90c617ebaf63fdf821956e890a188793b6dc88081deb31e2907f.exe

  • Size

    54KB

  • MD5

    6c360d684799cd00bb11e0331ada1027

  • SHA1

    be1dae6e24bf3070de9dbf55036181796e32bb28

  • SHA256

    3a6fcfcdaa2e90c617ebaf63fdf821956e890a188793b6dc88081deb31e2907f

  • SHA512

    aed13d5f3a87bcbf99b760ec8bb73b6cebeb74b6f9ec188644cb998d7a5357732388d6097dbf0849180004f26ca414b420956d63cba978742553b8da2ac57cc5

Score
10/10
globeimposterpersistenceransomware

Malware Config

Extracted

Path

C:\how_to_back_files.html

Ransom Note
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <style type="text/css"> body { background-color: #252525; } { 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: #FFD700; background: #1C1A1B; } .letter { color: #FFD700; font-weight: 600 } .tabs1 .identi { margin-left: 0px; line-height: 13px; font-size: 13px; text-align: center; float: top; display: block; padding: 15px; background: #1C1A1B; color: #F1EADA; } /*---*/ .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: #F1EADA; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 32px; left: 0; background: #1C1A1B; color: #F1EADA; opacity:0; transition: opacity 400ms ease-out; } .tabs .content .text{ width: 700px; padding: 25px; } .tabs>.tab>[id^="tab"]:checked + label { top:0; background: #1C1A1B; color: #E29F12; } .tabs>.tab>[id^="tab"]:checked ~ [id^="tab-content"] { z-index: 1;/* or display: block; */ opacity: 1; transition: opacity 400ms ease-out; } </style> <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><span class="letter">�������������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span><p></p> </pre><!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <div class="tab"> <input name="tabs" checked="checked" id="tab1" type="radio"> <label for="tab1">English</label> <div id="tab-content1" class="content"> <h1>? Your files are encrypted! ?</h1> <h3> To decrypt, follow the instructions below. </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 class="letter"> [email protected]</span><br> (Or alternate mail <span class="letter">[email protected]</span>)</p><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></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> <p> <hr color="#FFD700"> <center><b><p style="color: #FFD700;">MOST IMPORTANT!!!</p></center> <center><p style="color: #FFD700;"> You can not decrypt your files cheaper than we offer you. You can refer to other services that promise to decrypt you, BUT IT WILL BE MORE EXPENSIVE. No one, except [email protected], will decrypt your files with a guarantee 100%. </b></p></center> <hr color="#FFD700"> <ul> <li>Only [email protected] can with a guarantee 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--> <!--text data --> </div> <!--tab--> </body></html>��������������
Emails

[email protected]</span><br>

class="letter">[email protected]</span>)</p><p>

[email protected]

[email protected]</li>
URLs

http-equiv="Content-Type"

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 2 IoCs
  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 21 IoCs
  • Drops file in Windows directory 8 IoCs
  • Program crash 2 IoCs
  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 52 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a6fcfcdaa2e90c617ebaf63fdf821956e890a188793b6dc88081deb31e2907f.exe
    "C:\Users\Admin\AppData\Local\Temp\3a6fcfcdaa2e90c617ebaf63fdf821956e890a188793b6dc88081deb31e2907f.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:1532
  • 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:4384
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:720
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 720 -s 4424
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      PID:4636
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:3396
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:4484
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 428 -p 720 -ip 720
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:2824
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:5088
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:452
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 452 -s 3920
        2⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        PID:2380
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 436 -p 452 -ip 452
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4676

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/3396-142-0x00000110663D0000-0x00000110663D4000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4384-131-0x000001C7B0590000-0x000001C7B05A0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4384-130-0x000001C7B0530000-0x000001C7B0540000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4384-132-0x000001C7B3270000-0x000001C7B3274000-memory.dmp

      Filesize

      16KB

      Download