Overview

overview

10

Static

static

8ebbb1131e...d8.exe

windows7_x64

10

8ebbb1131e...d8.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    189s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:43

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Report Analysis Logs

General

  • Target

    8ebbb1131e1a4dd52e3555e9bcef4cd3b23d560010ed015a9d78bbfc3a6270d8.exe

  • Size

    53KB

  • MD5

    bfb21bd0faa1d71032d8db4160b3d8bb

  • SHA1

    7088e72c134021a906585848518f78b9f159347f

  • SHA256

    8ebbb1131e1a4dd52e3555e9bcef4cd3b23d560010ed015a9d78bbfc3a6270d8

  • SHA512

    f5340b355be8474e25d504ce38081c2fb8e536dd6e97568a8a4fc9c9b5f68df0fef1b5228fa4b08ce81dcc2f1df0634201121d6eca7666d249566ed6d0fc6bf8

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>Do not trust anyone [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 3 IoCs
  • Modifies extensions of user files 12 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) 16 IoCs
  • Drops file in Windows directory 7 IoCs
  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 10 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ebbb1131e1a4dd52e3555e9bcef4cd3b23d560010ed015a9d78bbfc3a6270d8.exe
    "C:\Users\Admin\AppData\Local\Temp\8ebbb1131e1a4dd52e3555e9bcef4cd3b23d560010ed015a9d78bbfc3a6270d8.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:504
  • 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:2264
  • 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\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1660 -s 4224
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3384
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:1836
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:3324
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 448 -p 1660 -ip 1660
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:2204
    • 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:4876
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4876 -s 3852
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3952
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 524 -p 4876 -ip 4876
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3680
    • 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:2396
    • 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:2732
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 388 -p 2396 -ip 2396
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3640

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1836-135-0x000002DF9A070000-0x000002DF9A074000-memory.dmp

      Filesize

      16KB

      Download

    • memory/2264-130-0x000001F0F6520000-0x000001F0F6530000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2264-131-0x000001F0F6580000-0x000001F0F6590000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2264-132-0x000001F0F8C40000-0x000001F0F8C44000-memory.dmp

      Filesize

      16KB

      Download