Overview

overview

10

Static

static

b2cff2b500...7e.exe

windows7_x64

10

b2cff2b500...7e.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    159s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:36

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe

  • Size

    53KB

  • MD5

    4d9f47ef1d60ed6be978869034c85b7a

  • SHA1

    46408fe3437ffc49139cfc046db9f1b941965658

  • SHA256

    b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e

  • SHA512

    8a40e4fa485d27a427cb00e32f9632f688384ed514c3a5d64d6fe05fa67ed090a4996cef21a050264b27a7cdabc0d28fd781b931e54cbe906484d5d7b766eff1

Score
10/10
globeimposterpersistenceransomware

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>���������������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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> <hr/> <h3>All your important data has been encrypted.</h3> <br/> <div class="text"> <!--text data --> To recover data you need decryptor.</br> To get the decryptor you should:</br> <p>Send 1 test image or text file <span> [email protected]</span>.</br> 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> <center>Attention!</center></br> <ul> <li>Only [email protected] can decrypt your files</li> <li> [email protected]</li> <li>Do not attempt to remove the program or run the anti-virus tools</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> �����������
Emails

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Modifies extensions of user files 10 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) 20 IoCs
  • Drops file in Windows directory 8 IoCs
  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe
    "C:\Users\Admin\AppData\Local\Temp\b2cff2b50051ad1924a8b2427212f44c4a5e7fcca8c188301c54974cb722247e.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:3476
  • 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:748
  • 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:3064
  • 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:1660
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:2332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:3964
    • 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:3004
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3004 -s 3912
        2⤵
        • Program crash
        PID:1352
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 440 -p 3004 -ip 3004
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:1520

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/748-130-0x00000179A9F30000-0x00000179A9F40000-memory.dmp

      Filesize

      64KB

      Download

    • memory/748-131-0x00000179A9F90000-0x00000179A9FA0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/748-132-0x00000179ACC90000-0x00000179ACC94000-memory.dmp

      Filesize

      16KB

      Download

    • memory/2332-142-0x000002924E670000-0x000002924E674000-memory.dmp

      Filesize

      16KB

      Download