Analysis

  • max time kernel
    169s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:27

General

  • Target

    dd717e43a5a0d7da059a3040f274085b2a49963fff4ad40a02e7ee95dabde5ef.exe

  • Size

    54KB

  • MD5

    da8422316bed9fa15b0c7374850cc11a

  • SHA1

    e9d8153b2232a044804c4cdfcfbe9fca7ed7a3a9

  • SHA256

    dd717e43a5a0d7da059a3040f274085b2a49963fff4ad40a02e7ee95dabde5ef

  • SHA512

    ee86e4b37bf3b7808e1cb6ca2dec5a5315bccff7f838540be9803ae0cf6a8753942faf2652e312ca8a3226fe474e62f23184e812f6ef189d540734dbacafbed6

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: 5px; color: #FF0000; background: #303030; } .tabs1 .identi { margin-left: 0px; 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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p> </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>&#9763; Your files are encrypted! &#9763;</h1> <hr/> <h3> &#11015 To decrypt, follow the instructions below. &#11015 </h3> <br/> <div class="text"> <!--text data --> To recover data you need decrypt tool.</br> To get the decrypt tool you should:</br> <p>Send 1 crypted test image or text file or document to <span> <font color="FF0000"> [email protected] </font></span></br> (Or alternate mail <font color="FF0000"> [email protected] </font>)<p> In the letter include your personal ID (look at the beginning of this document). Send me this ID in your first email to me</p> We will give you free test for decrypt few files (NOT VALUE) and assign the price for decryption all files</p> After we send you instruction how to pay for decrypt tool and after payment you will receive a decrypt tool and instructions how to use it We can decrypt few files in quality the evidence that we have the decoder.</br> <hr color=red> <center><p style="color:#FF0000">MOST IMPORTANT!!!</p></center> <center><p style="color:#FF0000"> Do not contact other services that promise to decrypt your files, this is fraud on their part! They will buy a decoder from us, and you will pay more for his services. No one, except [email protected], will decrypt your files.</p></center> <hr color=red> <ul> <li>Only [email protected] can decrypt your files</li> <li>Do not trust anyone besides [email protected]</li> <li>Antivirus programs can delete this document and you can not contact us later.</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> �������

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 23 IoCs
  • Drops file in Windows directory 6 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 27 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd717e43a5a0d7da059a3040f274085b2a49963fff4ad40a02e7ee95dabde5ef.exe
    "C:\Users\Admin\AppData\Local\Temp\dd717e43a5a0d7da059a3040f274085b2a49963fff4ad40a02e7ee95dabde5ef.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:1292
  • 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:4464
  • 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:1504
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1504 -s 4744
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1168
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:984
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:1320
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 420 -p 1504 -ip 1504
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4752

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/984-136-0x0000026CF1CC0000-0x0000026CF1CC4000-memory.dmp

      Filesize

      16KB

    • memory/4464-130-0x000002082B340000-0x000002082B350000-memory.dmp

      Filesize

      64KB

    • memory/4464-131-0x000002082BBE0000-0x000002082BBF0000-memory.dmp

      Filesize

      64KB

    • memory/4464-132-0x000002082E0C0000-0x000002082E0C4000-memory.dmp

      Filesize

      16KB