Overview

overview

10

Static

static

6c4ae56092...6f.exe

windows7_x64

10

6c4ae56092...6f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    170s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11/02/2022, 06:49

Sharing

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General

  • Target
    6c4ae5609217e219a5b62eb0cbf65e59911dedf8be61fc708a2e9aa19dfe6d6f.exe
  • Size 53KB
  • Sample220211-hlrbyadffk
  • SHA256 6c4ae5609217e219a5b62eb0cbf65e59911dedf8be61fc708a2e9aa19dfe6d6f
  • MD5 SHA1 SHA512
Score
10/10
globeimposterpersistenceransomware

Malware Config

Extracted

Path

  • C:\Read_me.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; File recovery instructions! &#9760;</h1> <hr/> <br/> <div class="text"> <!--text data --> All your files have received a secret permission.</br> To remove this permission and restore all data you need:</br> <p>Send 1 image or text file (less than 10mb) to mail <span>[email protected]</span>.</br> In the message include your personal ID (look at the beginning of this document).</p> In the response message we will send the recovered file and further instructions for recovery.</p> </br> <center>Attention!</center></br> <ul> <li>If you have not received a response to your message more than 12 hours, write to an alternate email address <span>[email protected]</span></li> <li>Attempts to run the anti-virus tools will result in the loss of your data</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 has a unique 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) 19 IoCs
  • Drops file in Windows directory 7 IoCs
  • Program crash 3 IoCs
  • Checks processor information in registry 2 TTPs 9 IoCs

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

  • Enumerates system info in registry 2 TTPs 12 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c4ae5609217e219a5b62eb0cbf65e59911dedf8be61fc708a2e9aa19dfe6d6f.exe
    "C:\Users\Admin\AppData\Local\Temp\6c4ae5609217e219a5b62eb0cbf65e59911dedf8be61fc708a2e9aa19dfe6d6f.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:4760
  • 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:1148
  • 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:4656
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4656 -s 4380
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4004
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:4624
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:1644
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 404 -p 4656 -ip 4656
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3540
    • 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:1492
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1492 -s 3888
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:712
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 408 -p 1492 -ip 1492
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:2968
    • 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:2352
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2352 -s 3908
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3892
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 512 -p 2352 -ip 2352
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4164
    • 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:3728
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:3532

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1148-130-0x0000022343D70000-0x0000022343D80000-memory.dmp
          Download

          memory/1148-131-0x0000022344420000-0x0000022344430000-memory.dmp
          Download

          memory/1148-132-0x0000022346AF0000-0x0000022346AF4000-memory.dmp
          Download

          memory/1492-151-0x00000259B14F8000-0x00000259B1500000-memory.dmp
          Download

          memory/4624-139-0x00000250FFBD0000-0x00000250FFBD4000-memory.dmp
          Download