Overview

overview

8

Static

static

3

2026-07-07...ys.exe

windows10-2004-x64

7

2026-07-07...ys.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 09:46

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General

  • Target
    2026-07-07_ecab889375cd4b57169058ff0e66d1ff_bkransomware_elex_maze_rhadamanthys.exe
  • Size 948KB
  • Sample260707-lrpxvab13p
  • SHA256 9bc579665905c60a892854073d9eaf3e6e1f52de25960d757f8fb849e7f9032c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistencespywarestealer

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-07_ecab889375cd4b57169058ff0e66d1ff_bkransomware_elex_maze_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-07_ecab889375cd4b57169058ff0e66d1ff_bkransomware_elex_maze_rhadamanthys.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5620
    • C:\Users\Admin\AppData\Local\Temp\BcFWe4NpHYQXk4l.exe
      C:\Users\Admin\AppData\Local\Temp\BcFWe4NpHYQXk4l.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3576
      • C:\Windows\Temp\{21FCB0C8-1F0A-40A4-BB96-A57A0F8C1445}\.cr\BcFWe4NpHYQXk4l.exe
        "C:\Windows\Temp\{21FCB0C8-1F0A-40A4-BB96-A57A0F8C1445}\.cr\BcFWe4NpHYQXk4l.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\BcFWe4NpHYQXk4l.exe" -burn.filehandle.attached=756 -burn.filehandle.self=760
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4260
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3888
  • C:\Windows\CTS.exe
    C:\Windows\CTS.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1244
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5716
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1908
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1132
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5944

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        officeclicktorun.exe_Rules.xml
        • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml
        • Size 557KB
        • SHA256 ae16dcffb2f05bf1f5d106882f60714b6963bfb7c22cc16378f634bd2b25e98a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        BcFWe4NpHYQXk4l.exe
        • Path C:\Users\Admin\AppData\Local\Temp\BcFWe4NpHYQXk4l.exe
        • Size 877KB
        • SHA256 3f1c60f03213432eb0d93cabffa8c3dcbd3211d98ffda60a5b87ee432a2587d3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CTS.exe
        • Path C:\Windows\CTS.exe
        • Size 71KB
        • SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        PythonBA.dll
        • Path C:\Windows\Temp\{AF9486D1-6A0C-402B-813C-A5442F582536}\.ba\PythonBA.dll
        • Size 692KB
        • SHA256 979b8ed7e4d682dbd4bcd4adf9ff8c4dea204ffeb9ad89aa1844c5f86ba8d1d9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SideBar.png
        • Path C:\Windows\Temp\{AF9486D1-6A0C-402B-813C-A5442F582536}\.ba\SideBar.png
        • Size 50KB
        • SHA256 79434bd1368f47f08acf6db66638531d386bf15166d78d9bfea4da164c079067
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5944-108-0x000002D3801E0000-0x000002D3802E0000-memory.dmp
        Download

        memory/5944-118-0x000002D383D30000-0x000002D383D50000-memory.dmp
        Download

        memory/5944-114-0x000002D383B70000-0x000002D383B90000-memory.dmp
        Download

        memory/5944-107-0x000002D3801E0000-0x000002D3802E0000-memory.dmp
        Download

        memory/5944-152-0x000002D3941A0000-0x000002D3941C0000-memory.dmp
        Download

        memory/5944-115-0x000002D393E50000-0x000002D393F50000-memory.dmp
        Download