Overview

overview

10

Static

static

c453ab8390...bc.exe

windows7_x64

10

c453ab8390...bc.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    175s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:33

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General

  • Target

    c453ab83905f6a7effc82f0dc806b0d05052164e0b041a989f3aef5554f48fbc.exe

  • Size

    53KB

  • MD5

    12bb560e451b03de619719b41fb8b5ef

  • SHA1

    4a3f708d960ef9d6aeaa528b7ab64ab8e72ca04a

  • SHA256

    c453ab83905f6a7effc82f0dc806b0d05052164e0b041a989f3aef5554f48fbc

  • SHA512

    45b84f88222d0ca7cd76b51bd4acc06c1725ea001aa45700668505630a18c5325a23be1d73c85b51002c874cb33c1724222e7fd753e9cbc6702a672d8d353115

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>���������������50 42 5C E9 3E 81 43 7B 07 3C 42 EE F3 28 C1 D9 86 3C A3 6F 09 0A A9 85 FC C0 E0 02 9D E8 49 BF 09 99 00 D6 4C D2 10 8B C8 AE BE 20 76 EC 6E 24 C7 A5 70 E6 55 F7 05 EC 1D 51 D2 50 AA 82 54 F4 8C 77 81 CE 1E B8 BD 41 7C BF 0B 91 C9 8F 87 84 FE E9 E9 04 AE 1C 2C C8 73 1E F8 CB E5 B7 14 35 E3 D5 75 4E 89 AB A9 D4 7D 41 C2 83 CC B2 11 B3 5F 40 98 49 81 8B DA E4 01 0F A3 73 92 FB 84 81 FD 93 99 35 15 97 1D 8F 19 29 A7 5B 38 C9 EC D1 DF 49 83 43 77 48 B9 FA C3 C3 11 12 24 4E 32 62 36 09 85 5C 97 D5 F9 E2 BE 9F 59 D9 C4 2C 70 EA C0 D5 93 7C E3 4E 4B C6 8E A9 13 5B 6F 7D BD FE 6A F4 30 DF 5A EF D7 F3 E3 D3 B7 3C EB A3 66 29 C4 D0 47 0E EF 3E 53 C8 79 0F 26 DC B9 F3 76 EC 2B 99 61 FB 17 4F BC E3 92 86 CA 0C 7C C4 71 24 AC 67 B3 78 9D 7C A9 BD 24 EC 56 49 35 93 BF 26 </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> Cost of decryption US800$</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
  • 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) 22 IoCs
  • Drops file in Windows directory 8 IoCs
  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c453ab83905f6a7effc82f0dc806b0d05052164e0b041a989f3aef5554f48fbc.exe
    "C:\Users\Admin\AppData\Local\Temp\c453ab83905f6a7effc82f0dc806b0d05052164e0b041a989f3aef5554f48fbc.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:4676
  • 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:2960
  • 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:4720
  • 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:3700
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3700 -s 4616
      2⤵
      • Program crash
      PID:2288
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:3604
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:2504

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/2960-130-0x000001EF20D70000-0x000001EF20D80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2960-131-0x000001EF21670000-0x000001EF21680000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2960-132-0x000001EF23D40000-0x000001EF23D44000-memory.dmp

      Filesize

      16KB

      Download

    • memory/3604-142-0x0000011F99780000-0x0000011F99784000-memory.dmp

      Filesize

      16KB

      Download