Overview

overview

10

Static

static

dd5eca1c0a...57.exe

windows7_x64

10

dd5eca1c0a...57.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    166s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:27

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General

  • Target

    dd5eca1c0a35472d4cd1d40fe133a02250a4d544eb0c27bc69c5a1a940ba6d57.exe

  • Size

    53KB

  • MD5

    599e7ece6c2232fb535831b55dccb36a

  • SHA1

    af013ba3809a79151d63133824356398f19f7ede

  • SHA256

    dd5eca1c0a35472d4cd1d40fe133a02250a4d544eb0c27bc69c5a1a940ba6d57

  • SHA512

    77aed87a2857847b3edf6c1483c19e15fa88a08a17769ec19c78b533da2913f38cc3647bd3ffaa4bb90550fa8eb66f4289296d844aaa0e1146b621a0987387a7

Score
10/10
globeimposterpersistenceransomwarespywarestealer

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: #ff0000; } .tabs1 .identi { text-align: center; float: top; display: block; padding: 15px; background: #303030; color: #DFDFDF; } /*---*/ .tabs{ width: 800px; display: block; margin: auto; position: relative; /*height: 30px;*/ background: red; } .tabs .tab{ /*float: left;*/ display: inline-block; } .tabs .tab>input[type="radio"] { position: absolute; top: -9999px; left: -9999px; } .tabs .tab>label { display: block; padding: 6px 15px; font-size: 18x; text-transform: uppercase; cursor: pointer; position: relative; color: #FFF; background: #ff0000; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 100%; 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; outline: 1px solid red; } .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="tabs"> <!--tab--> <div class="tab"> <input type="radio" name="tabs" checked="on" id="tab1" /> <div id="tab-content1" class="content"> <h1>Your files are encrypted! </h1> <hr/> <div class="text"> <!--text data --> <center>Your documents, photos, databases and all the rest files encrypted cryptographically strong algoritm.<br> Without a secret key stored with us, the restoration of your files is impossible</center> <br> <center>----------------------------------------------------------</center> You will be able to restore files so: <ul><li>To contact us by e-mail: <strong> [email protected] </strong> & send your personal ID and 3 crypted files, up to 3 MB in size everyone.</li> <li>We will decipher them, as proof that we can do this. Also you receive the instruction where and how many it is necessary to pay.</li> <li>You pay and confirm payment.</li> <li> after payment you receive the DECRYPTOR program, which restored ALL YOUR FILES.</li></ul> <center>---------------------------------------------------------</center> <strong>Your personal ID:</strong> <pre>�������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pre> <center>----------------------------- P.S. ----------------------------------</center> <ul><li>It is in your interest to respond as soon as possible to ensure the recovery of your files, because we will not store your decryption keys on our server for a long time.</li> <li>Be sure to add our email addresses to the trusted list, in your email client's settings. And also check the folder "Spam" when waiting for an email from us.</li> <li>If we do not respond to your message for more than 48 hours, write to the backup email : <strong> [email protected] </strong></li></ul> <!--text data --> </div> </div> </div> </body> </html>������

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • 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 1 IoCs
  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 52 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\dd5eca1c0a35472d4cd1d40fe133a02250a4d544eb0c27bc69c5a1a940ba6d57.exe
    "C:\Users\Admin\AppData\Local\Temp\dd5eca1c0a35472d4cd1d40fe133a02250a4d544eb0c27bc69c5a1a940ba6d57.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:1836
  • 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:932
  • 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:1252
  • 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:960
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:3508
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:3300
    • 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:4532
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4532 -s 3904
        2⤵
        • Program crash
        PID:5028
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 408 -p 4532 -ip 4532
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4856

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/932-133-0x0000025B797A0000-0x0000025B797B0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/932-134-0x0000025B79D20000-0x0000025B79D30000-memory.dmp

      Filesize

      64KB

      Download

    • memory/932-135-0x0000025B7C420000-0x0000025B7C424000-memory.dmp

      Filesize

      16KB

      Download

    • memory/3508-138-0x000001B15C4A0000-0x000001B15C4A4000-memory.dmp

      Filesize

      16KB

      Download