Overview

overview

10

Static

static

51afd03e50...f2.exe

windows7_x64

10

51afd03e50...f2.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    167s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11-02-2022 06:56

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General

  • Target

    51afd03e502c4088e755f7e984b84fa6ac084779059ef10bb42f79f7cee90cf2.exe

  • Size

    54KB

  • MD5

    bf5df1f404af5093d0d0032e9103da6b

  • SHA1

    0ee65151b7c46709ab3f4ecfdb6661cc074129ce

  • SHA256

    51afd03e502c4088e755f7e984b84fa6ac084779059ef10bb42f79f7cee90cf2

  • SHA512

    2052570ee57d92bad6851adae0c8546a9b0623bd37072cc2dae4df2ee17f6f03576cad570eb719c3dd8acaf69aec6cdb51bec57c442f25eda293ffd8dcb674a9

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: 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.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 2 IoCs
  • 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 3 IoCs
  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 52 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51afd03e502c4088e755f7e984b84fa6ac084779059ef10bb42f79f7cee90cf2.exe
    "C:\Users\Admin\AppData\Local\Temp\51afd03e502c4088e755f7e984b84fa6ac084779059ef10bb42f79f7cee90cf2.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:408
  • 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:944
  • 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:3672
  • 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
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3520 -s 4456
      2⤵
      • Program crash
      PID:4368
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3520 -s 4456
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      PID:4396
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:1992
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 408 -p 3520 -ip 3520
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:4324
  • 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:4484
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4484 -s 3908
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      PID:4704
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 548 -p 4484 -ip 4484
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:4684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/944-133-0x0000020D1BB60000-0x0000020D1BB70000-memory.dmp

    Filesize

    64KB

    Download

  • memory/944-134-0x0000020D1C2E0000-0x0000020D1C2F0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/944-135-0x0000020D1E7B0000-0x0000020D1E7B4000-memory.dmp

    Filesize

    16KB

    Download

  • memory/1992-145-0x000001FDED6C0000-0x000001FDED6C4000-memory.dmp

    Filesize

    16KB

    Download