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Overview

overview

10

Static

static

55b0a25f8e...e6.exe

windows7_x64

10

55b0a25f8e...e6.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    163s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11/02/2022, 06:55

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General

  • Target

    55b0a25f8e1ada853b053706965c002531cbd02dda152fbe5d218f388ada4ee6.exe

  • Size

    53KB

  • MD5

    9f5d9e2b4ebb9ffe10ca665bd3007562

  • SHA1

    0df95c2a55d2bda33693dd5cb5b7998aeeb28106

  • SHA256

    55b0a25f8e1ada853b053706965c002531cbd02dda152fbe5d218f388ada4ee6

  • SHA512

    f4ea991a1ae5166a1f334bd039f393928464fae2f08423c0f2158c8619999dfc6f1d144bd919ee90df2f35ad1b0ee28289c84d7c3bcba4631d464dd0b29e68d3

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 { 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"> <div>��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div><!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <!--tab--> <div class="tab"> <input type="radio" name="tabs" checked="checked" id="tab2" /> <label for="tab2">ENGLISH</label> <div id="tab-content2" class="content"> <h1>Hello.</h1> <hr/> <br/> <div class="text"> <!--text data --> All your files have received a secret permission.</br> To remove this permission and restore all data you need:</br> </br> Send 1 image or text file (less than 1mb) to mail <strong>[email protected].</strong></br> In the message include your personal ID (look at the beginning of this document).</br> </br> In the response message we will send the recovered file and further instructions for recovery.</br> Alternative communication channel - website http://bitmsg.me</br> Write the letter to the address : <strong>BM-2cUbAcJjMBqJxq9S6dDQZS5KaAhRmygtur</strong></br> </br> Attention!</br> </br> If you have not received a response to your message more than 48 hours, use bitmsg.me</br> Attempts to run the anti-virus tools will result in the loss of your data</br> Attempts to self-decrypting files will result in the loss of your data</br> Decoders other users are not compatible with your data, because each user has a unique key</br> </br> Attention! </br> </br> Payment is made only by bitcoins.</br> If you have no bitcoins</br> * Create Bitcoin purse: https://blockchain.info</br> * Buy Bitcoin in the convenient way</br> https://localbitcoins.com/ (Visa/MasterCard)</br> https://www.buybitcoinworldwide.com/ (Visa/MasterCard)</br> https://en.wikipedia.org/wiki/Bitcoin (the instruction for beginners)</br> ====================================================================================================</br> <!--text data --> </div> </div> </div> </div> </body> </html> �����������
Emails

<strong>[email protected].</strong></br>

URLs

http://bitmsg.me</br>

https://www.buybitcoinworldwide.com/

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Modifies extensions of user files 7 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) 23 IoCs
  • Drops file in Windows directory 8 IoCs
  • Program crash 2 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55b0a25f8e1ada853b053706965c002531cbd02dda152fbe5d218f388ada4ee6.exe
    "C:\Users\Admin\AppData\Local\Temp\55b0a25f8e1ada853b053706965c002531cbd02dda152fbe5d218f388ada4ee6.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:848
  • 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:2732
  • 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:3732
  • 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:4444
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4444 -s 4388
      2⤵
      • Program crash
      PID:396
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4444 -s 4388
      2⤵
      • Program crash
      PID:4816
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:4036
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
    1⤵
      PID:2788
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 408 -p 4444 -ip 4444
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:4144

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/2732-130-0x000002A6E7350000-0x000002A6E7360000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2732-131-0x000002A6E7A20000-0x000002A6E7A30000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2732-132-0x000002A6EA0D0000-0x000002A6EA0D4000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4036-135-0x0000023564520000-0x0000023564524000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4444-143-0x0000020065F30000-0x0000020065F38000-memory.dmp

      Filesize

      32KB

      Download