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Overview

overview

10

Static

static

3

6597018298...4f.exe

windows7-x64

10

6597018298...4f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/04/2024, 07:52

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General

  • Target

    6597018298aaac827abb1c58e4b6d7967993b4012eaa83b5540475e0f4f9d34f.exe

  • Size

    66KB

  • MD5

    2c78f28a0f3dbd0f45f96f4aee72e8ee

  • SHA1

    f10803cf1d160020e3f611e9f2dd8be93cb7d7ef

  • SHA256

    6597018298aaac827abb1c58e4b6d7967993b4012eaa83b5540475e0f4f9d34f

  • SHA512

    8dbfe5d58448bb4f4ae236b2ccd1da0a737650ba650e5e96dfdc95f2b9a53508c9814d72bd6204507b76ae71351ba65e50a6db2dc4cc952dab681a9b2b1c2161

  • SSDEEP

    1536:TNeRBl5PT/rx1mzwRMSTdLpJn8qEQBoimA0Q0GTE6VfE:TQRrmzwR5J1oiBH0CE+s

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\info.hta

Ransom Note
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'> <html> <head> <meta charset='windows-1251'> <title>encrypted</title> <HTA:APPLICATION ICON='msiexec.exe' SINGLEINSTANCE='yes' SysMenu="no"> <script language='JScript'> window.moveTo(50, 50); window.resizeTo(screen.width - 100, screen.height - 100); </script> <style type='text/css'> body { font: 15px Tahoma, sans-serif; margin: 10px; line-height: 25px; background: #EDEDED; } img { display:inline-block; } .bold { font-weight: bold; } .mark { background: #D0D0E8; padding: 2px 5px; } .header { text-align: center; font-size: 30px; line-height: 50px; font-weight: bold; margin-bottom:20px; } .info { background: #D0D0E8; border-left: 10px solid #00008B; } .alert { background: #FFE4E4; border-left: 10px solid #FF0000; } .private { border: 1px dashed #000; background: #FFFFEF; } .note { height: auto; padding-bottom: 1px; margin: 15px 0; } .note .title { font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; } .note .mark { background: #A2A2B5; } .note ul { margin-top: 0; } .note pre { margin-left: 15px; line-height: 13px; font-size: 13px; } .footer { position:fixed; bottom:0; right:0; text-align: right; } .title { margin-left: 0; } .title.sub { margin-left:30px; dispaly:inline-block; } </style> </head> <body> <div class='header'> <img src='data:image/png;base64,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'> <div>Dear Management</div> </div> <div class='bold'>&nbsp;&nbsp;&nbsp;If you are reading this message, it means that:<br><ul> - your network infrastructure has been compromised,<br> - critical data was leaked,<br> - files are encrypted</span></div></ul> <div class='bold'>&nbsp;&nbsp;&nbsp;The best and only thing you can do is to contact us to settle the matter before any losses occurs.</span></div> <div class='bold'>&nbsp;&nbsp;&nbsp;Onion site: <span class='mark'><a href='http://basemmnnqwxevlymli5bs36o5ynti55xojzvn246spahniugwkff2pad.onion/'>http://basemmnnqwxevlymli5bs36o5ynti55xojzvn246spahniugwkff2pad.onion/</a></span></div> <div class='bold'>&nbsp;&nbsp;&nbsp;Telegram channel: <span class='mark'><a href='https://t.me/eightbase'>https://t.me/eightbase</a></span></div> </div> <div class='note info'> <div class='title'>1. THE FOLLOWING IS STRICTLY FORBIDDEN</div> <div class='title.sub'>&nbsp;&nbsp;&nbsp;1.1 EDITING FILES ON HDD.</div> <ul>Renaming, copying or moving any files could DAMAGE the cipher and decryption will be impossible.</ul> <div class='title.sub'>&nbsp;&nbsp;&nbsp;1.2 USING THIRD-PARTY SOFTWARE.</div> <ul>Trying to recover with any software can also break the cipher and file recovery will become a problem.</ul> <div class='title.sub'>&nbsp;&nbsp;&nbsp;1.3 SHUTDOWN OR RESTART THE PC.</div> <ul>Boot and recovery errors can also damage the cipher. Sorry about that, but doing so is entirely at your own risk.</ul> </div> <div class='note info'> <div class='title'>2. EXPLANATION OF THE SITUATION</div> <div class='title.sub'>&nbsp;&nbsp;&nbsp;2.1 HOW DID THIS HAPPEN</div> <ul>The security of your IT perimeter has been compromised (it's not perfect at all). We encrypted your workstations and servers to make the fact of the intrusion visible and to prevent you from hiding critical data leaks. We spent a lot of time researching and finding out the most important directories of your business, your weak points. We have already downloaded a huge amount of critical data and analyzed it. Now its fate is up to you, it will either be deleted or sold, or shared with the media.</ul> <div class='title.sub'>&nbsp;&nbsp;&nbsp;2.2 VALUABLE DATA WE USUALLY STEAL:</div> <ul>- Databases, legal documents, personal information.<br> - Audit reports.<br> - Audit SQL database.<br> - Any financial documents (Statements, invoices, accounting, transfers etc.).<br> - Work files and corporate correspondence.<br> - Any backups.<br> - Confidential documents.</ul> <div class='title.sub'>&nbsp;&nbsp;&nbsp;2.3 TO DO LIST (best practies)</div> <ul>- Contact us as soon as possible. - Contact us only in our live chat, otherwise you can run into scammers. - Purchase our decryption tool and decrypt your files. There is no other way to do this. - Realize that dealing with us is the shortest way to success and secrecy. - Give up the idea of using decryption help programs, otherwise you will destroy the system permanently. - Avoid any third-party negotiators and recovery groups. They can become the source of leaks.</ul> </div> <div class='note info'> <div class='title'>3. POSSIBLE DECISIONS</div> <div class='title.sub'>&nbsp;&nbsp;&nbsp;3.1 NOT MAKING THE DEAL</div> <ul>- After 4 days starting tomorrow your leaked data will be Disclosed or sold.<br> - We will also send the data to all interested supervisory organizations and the media.<br> - Decryption key will be deleted permanently and recovery will be impossible.<br> - Losses from the situation can be measured based on your annual budget.</ul> <div class='title.sub'>&nbsp;&nbsp;&nbsp;3.2 MAKING THE WIN-WIN DEAL</div> <ul>- Databases, legal documents, personal information.<br> - You will get the only working Decryption Tool and the how-to-use Manual.<br> - You will get our guarantees (with log provided) of non-recovarable deletion of all your leaked data.<br> - You will get our guarantees of secrecy and removal of all traces related to the deal in the Internet.<br> - You will get our security report on how to fix your security breaches.</ul> </div> </div> <div class='note info'> <div class='title'>4. EVIDENCE OF THE LEAKAGE</div> <div class='bold'>&nbsp;&nbsp;&nbsp;In our contact form or mail:</span></div> <div class='bold'>&nbsp;&nbsp;&nbsp;Onion site: <span class='mark'><a href='http://basemmnnqwxevlymli5bs36o5ynti55xojzvn246spahniugwkff2pad.onion/contact'>http://basemmnnqwxevlymli5bs36o5ynti55xojzvn246spahniugwkff2pad.onion/contact</a></span></div> <ul> <li>Write us to the mails: <span class='mark'>[email protected]</span></li> <li>Write this ID in the title of your message <span class='mark'>8E7D1F0A-3483</span></li> </ul> </div> </div> <div class='note info'> <div class='title'>5. HOW TO CONTACT US</div> <ul> 5.1 Download and install TOR Browser <a href='https://torproject.org'>https://torproject.org</a><br> 5.2 Go to our contact form website at <a href='http://basemmnnqwxevlymli5bs36o5ynti55xojzvn246spahniugwkff2pad.onion/contact'>http://basemmnnqwxevlymli5bs36o5ynti55xojzvn246spahniugwkff2pad.onion/contact</a><br> 5.3 You can request sample files chat to review leaked data samples.<br> 5.4 In case TOR Browser is restricted in your area use VPN services.<br> 5.5 All leaked Data samples will be Disclosed in 4 Days if you remain silent.<br> 5.6 Your Decryption keys will be permanently destroyed at the moment the leaked Data is Disclosed. </ul> </div> <div class='note alert'> <div class='title'>6. RESPONSIBILITY</div> <div class='title.sub'>&nbsp;&nbsp;&nbsp;6.1 Breaking critical points of this offer will cause:</div> <ul> <li>Deletion of your decryption keys.</li> <li>Immediate sale or complete Disclosure of your leaked data.</li> <li>Notification of government supervision agencies, your competitors and clients.</li> </ul> </div> </body> </html>
Emails

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

URLs

http://www.w3.org/TR/html4/strict.dtd'>

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
    ransomwareevasion
  • Renames multiple (504) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes backup catalog 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 IoCs
  • 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) 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\6597018298aaac827abb1c58e4b6d7967993b4012eaa83b5540475e0f4f9d34f.exe
    "C:\Users\Admin\AppData\Local\Temp\6597018298aaac827abb1c58e4b6d7967993b4012eaa83b5540475e0f4f9d34f.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Users\Admin\AppData\Local\Temp\6597018298aaac827abb1c58e4b6d7967993b4012eaa83b5540475e0f4f9d34f.exe
      "C:\Users\Admin\AppData\Local\Temp\6597018298aaac827abb1c58e4b6d7967993b4012eaa83b5540475e0f4f9d34f.exe"
      2⤵
        PID:3276
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2356
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4200
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:608
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:3760
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4536
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:4424
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3224
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:3456
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:4820
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        2⤵
          PID:4484
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          2⤵
            PID:3508
          • C:\Windows\SysWOW64\mshta.exe
            "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
            2⤵
              PID:1824
            • C:\Windows\SysWOW64\mshta.exe
              "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
              2⤵
                PID:4508
              • C:\Windows\system32\cmd.exe
                "C:\Windows\system32\cmd.exe"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2348
                • C:\Windows\system32\vssadmin.exe
                  vssadmin delete shadows /all /quiet
                  3⤵
                  • Interacts with shadow copies
                  PID:3268
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic shadowcopy delete
                  3⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4404
                • C:\Windows\system32\bcdedit.exe
                  bcdedit /set {default} bootstatuspolicy ignoreallfailures
                  3⤵
                  • Modifies boot configuration data using bcdedit
                  PID:1940
                • C:\Windows\system32\bcdedit.exe
                  bcdedit /set {default} recoveryenabled no
                  3⤵
                  • Modifies boot configuration data using bcdedit
                  PID:1856
                • C:\Windows\system32\wbadmin.exe
                  wbadmin delete catalog -quiet
                  3⤵
                  • Deletes backup catalog
                  PID:4004
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1460
            • C:\Windows\system32\wbengine.exe
              "C:\Windows\system32\wbengine.exe"
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3728
            • C:\Windows\System32\vdsldr.exe
              C:\Windows\System32\vdsldr.exe -Embedding
              1⤵
                PID:4504
              • C:\Windows\System32\vds.exe
                C:\Windows\System32\vds.exe
                1⤵
                • Checks SCSI registry key(s)
                PID:3236

              Network

              MITRE ATT&CK Enterprise v15

              Reconnaissance

              Resource Development

              Initial Access

              Execution

              Command and Scripting Interpreter

              1
              T1059

              Persistence

              Boot or Logon Autostart Execution

              1
              T1547

              Registry Run Keys / Startup Folder

              1
              T1547.001

              Create or Modify System Process

              1
              T1543

              Windows Service

              1
              T1543.003

              Privilege Escalation

              Boot or Logon Autostart Execution

              1
              T1547

              Registry Run Keys / Startup Folder

              1
              T1547.001

              Create or Modify System Process

              1
              T1543

              Windows Service

              1
              T1543.003

              Defense Evasion

              Impair Defenses

              1
              T1562

              Disable or Modify System Firewall

              1
              T1562.004

              Indicator Removal

              3
              T1070

              File Deletion

              3
              T1070.004

              Modify Registry

              1
              T1112

              Credential Access

              Unsecured Credentials

              1
              T1552

              Credentials In Files

              1
              T1552.001

              Discovery

              Peripheral Device Discovery

              1
              T1120

              Query Registry

              3
              T1012

              System Information Discovery

              3
              T1082

              Lateral Movement

              Collection

              Data from Local System

              1
              T1005

              Command and Control

              Exfiltration

              Impact

              Inhibit System Recovery

              4
              T1490

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id[8E7D1F0A-3483].[[email protected]].8base
                Filesize

                3.2MB

                MD5

                3bcbeb9feaa48b4fde7545b76691ea57

                SHA1

                a1388957f46ffedb1048ccf8f31592ad79c79b98

                SHA256

                960fba39db250a31a84eb75a475f60335b35d49f04ac1f4dafb34d8d0f60da9b

                SHA512

                7b6a08a453bf2ee9fa3e5dfe8f408dc3dab30b08016104b1237e09115cc0697b744aae5dd94c95a251bf4cfd713b88dee3e00e3a150749a102a5c0bdf8db05e2

                Download Submit

              • C:\info.hta
                Filesize

                9KB

                MD5

                687745d5fe95d31d6feac4f4a57df221

                SHA1

                0d104c4506ba51668fd12f944765837bacaea00f

                SHA256

                ed203ca130e80d9bf10f3b02efd1708a7369393eb2d5657eef2eca8d8ae2b3e4

                SHA512

                31b422c7e26d1fb370fc66e43b313a784c132144e99aa7f2fe811529118af0215b97052f8a54c0666adde3ebb40c5e6efe9c2e1c0e1a7f5da0906fc91689b4de

                Download Submit