Overview

overview

10

Static

static

f7f3cfe518...2b.exe

windows7_x64

10

f7f3cfe518...2b.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    156s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11/02/2022, 06:23

Sharing

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Report Analysis Logs

General

  • Target

    f7f3cfe5184edcc3784d81420a6cd9d938b2d60d9d549f2c758dad8aa999282b.exe

  • Size

    55KB

  • MD5

    ad93d71be8ff2614c1344ff0f4f7ff66

  • SHA1

    69709130060b6dfb33173320186eccfb74e30f85

  • SHA256

    f7f3cfe5184edcc3784d81420a6cd9d938b2d60d9d549f2c758dad8aa999282b

  • SHA512

    64b086a2c8cafdcd9daa06c0b3eaf3209fbacf69292dc98edaaedde8ad2ea7a34a30fb2131647833a01557020586d3128a2a19cdb374542445c482b07bdc7d1d

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; } } .mark { background: #4A83FD; padding: 2px 5px; } /*---*/ .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 class="mark">[email protected]</span>.</br> <p>If we do not respond within 24 hours, write to us on the second mail: <span class="mark">[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>Only <span class="mark">[email protected]</span> can decrypt your files</li> <li>Do not trust anyone <span class="mark">[email protected]</span></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

class="mark">[email protected]</span>.</br>

class="mark">[email protected]</span>.</br>

class="mark">[email protected]</span>

class="mark">[email protected]</span></li>

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

    ransomwareglobeimposter
  • Suspicious use of NtCreateProcessExOtherParentProcess 2 IoCs
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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 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\f7f3cfe5184edcc3784d81420a6cd9d938b2d60d9d549f2c758dad8aa999282b.exe
    "C:\Users\Admin\AppData\Local\Temp\f7f3cfe5184edcc3784d81420a6cd9d938b2d60d9d549f2c758dad8aa999282b.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    PID:3944
  • 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:3584
  • 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:4928
  • 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:3936
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3936 -s 4668
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      PID:1848
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3936 -s 4668
      2⤵
      • Program crash
      PID:2172
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Modifies data under HKEY_USERS
    PID:3384
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 408 -p 3936 -ip 3936
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:1968
  • 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:444
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 444 -s 3872
      2⤵
      • Program crash
      PID:1216
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 448 -p 444 -ip 444
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3384-142-0x00000199F1F20000-0x00000199F1F24000-memory.dmp

    Filesize

    16KB

    Download

  • memory/3584-130-0x000001259AB60000-0x000001259AB70000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3584-131-0x000001259B120000-0x000001259B130000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3584-132-0x000001259D7C0000-0x000001259D7C4000-memory.dmp

    Filesize

    16KB

    Download