Overview

overview

10

Static

static

4f2ae2b359...b8.exe

windows7_x64

10

4f2ae2b359...b8.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    168s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:57

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Report Analysis Logs

General

  • Target

    4f2ae2b3596874c305438f1cbe2b91e8efeafcad250b2d849972d12b0d1a93b8.exe

  • Size

    27KB

  • MD5

    24c69e75e88ca4e1f24e0f39b8b49b55

  • SHA1

    62a1169310e55df08ac67b788a94f555216a4066

  • SHA256

    4f2ae2b3596874c305438f1cbe2b91e8efeafcad250b2d849972d12b0d1a93b8

  • SHA512

    8c8d82c623a6d743a064ce1c2b816d766123a4d7305baafe7f43fbbbae1d345d1149250104491f7dcec64d5032254c376dea6cbd1f0725450941d0e98388997d

Score
10/10
globeimposterpersistenceransomwarespywarestealer

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: #FF0000; background: #1C1A1B; } .letter { color: #FF0000; 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"> <pre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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> <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 as proof and assign the price for decryption all files.<p></p> 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> <center><b><p style="color: #ffff66;">MOST IMPORTANT!!!</p></center> <hr color="#ffff66"> <center><p style="color: #ffff66;"> We are ready to work through intermediaries and guarantors. </b></p></center> <hr color="#ffff66"> <ul> <li>Only decoder_master proof can decrypt your files.</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 users unique encryption key. </li> </ul> <!--text data --> </div> </div> </div> <!--tab--> </ul> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>
Emails

[email protected]</span><br>

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

http-equiv="Content-Type"

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Modifies extensions of user files 11 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 23 IoCs
  • Drops file in Windows directory 8 IoCs
  • Program crash 2 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 39 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f2ae2b3596874c305438f1cbe2b91e8efeafcad250b2d849972d12b0d1a93b8.exe
    "C:\Users\Admin\AppData\Local\Temp\4f2ae2b3596874c305438f1cbe2b91e8efeafcad250b2d849972d12b0d1a93b8.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:5056
  • 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:400
  • 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 AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3664 -s 4532
      2⤵
      • Program crash
      PID:1824
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3664 -s 4532
      2⤵
      • Program crash
      PID:1828
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:1332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:1724
    • 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:2260
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 408 -p 3664 -ip 3664
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:1980

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/400-131-0x000002595A970000-0x000002595A980000-memory.dmp

      Filesize

      64KB

      Download

    • memory/400-130-0x000002595A1A0000-0x000002595A1B0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/400-132-0x000002595D580000-0x000002595D584000-memory.dmp

      Filesize

      16KB

      Download

    • memory/1332-139-0x000002366FAA0000-0x000002366FAA4000-memory.dmp

      Filesize

      16KB

      Download