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Analysis

  • max time kernel
    172s
  • max time network
    199s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11/02/2022, 06:42

General

  • Target

    9104c3148d0de87de6e7608d8fb8fc92de13c4fc41c9090b7a39db7337770e38.exe

  • Size

    53KB

  • MD5

    eab9e6a0163f10437b4b418aacb06983

  • SHA1

    b7ec1192dc5b85e702da82e00b664284ee32f499

  • SHA256

    9104c3148d0de87de6e7608d8fb8fc92de13c4fc41c9090b7a39db7337770e38

  • SHA512

    9423894e7e81a7adb31bb0f0be98a8fcef9382387055abbbe7f296bab8a12c04894ead036e7e03de210dbdd623cf0cc620ecf7c7606896e8a40449efa1b48e09

Malware Config

Extracted

Path

C:\Recovery_Instructions.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>Reserv email [email protected] can decrypt your files</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

[email protected]</span>.</br>

[email protected]

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 8 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 34 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9104c3148d0de87de6e7608d8fb8fc92de13c4fc41c9090b7a39db7337770e38.exe
    "C:\Users\Admin\AppData\Local\Temp\9104c3148d0de87de6e7608d8fb8fc92de13c4fc41c9090b7a39db7337770e38.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:4988
  • 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:1084
  • 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:1272
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1272 -s 4368
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4904
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1272 -s 4368
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4832
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:3296
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:1196
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 412 -p 1272 -ip 1272
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3128
    • 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:1624
    • 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:2792
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2792 -s 3884
        2⤵
        • Program crash
        PID:3372
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 524 -p 2792 -ip 2792
      1⤵
        PID:4884

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1084-130-0x00000231E9B20000-0x00000231E9B30000-memory.dmp

        Filesize

        64KB

      • memory/1084-131-0x00000231E9B80000-0x00000231E9B90000-memory.dmp

        Filesize

        64KB

      • memory/1084-132-0x00000231EC240000-0x00000231EC244000-memory.dmp

        Filesize

        16KB

      • memory/3296-135-0x000001CE9D6E0000-0x000001CE9D6E4000-memory.dmp

        Filesize

        16KB