Overview

overview

9

Static

static

3

2026-07-02...ys.exe

windows10-2004-x64

9

2026-07-02...ys.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    136s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 18:13

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General

  • Target
    2026-07-02_1d4fb91e30a33b9006cc22c6f72f051c_bkransomware_elex_maze_rhadamanthys.exe
  • Size 3.2MB
  • Sample260702-wt38csbw4x
  • SHA256 1930c8d01eaf95c1bdd22e8e6072bd74b2b1a32b289a33b2ca60f0a485eea70b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
adwarediscoverypersistenceransomwarespywarestealer

Malware Config

Signatures

  • Detects executables packed with Dotfuscator 1 IoCs
  • 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
  • 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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 WMI provider

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

    ransomware
  • 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\2026-07-02_1d4fb91e30a33b9006cc22c6f72f051c_bkransomware_elex_maze_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_1d4fb91e30a33b9006cc22c6f72f051c_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:4364
    • C:\Users\Admin\AppData\Local\Temp\9Zb7poKUlz2NQuk.exe
      C:\Users\Admin\AppData\Local\Temp\9Zb7poKUlz2NQuk.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5956
      • C:\Users\Admin\AppData\Local\Temp\9Zb7poKUlz2NQuk.exe
        C:\Users\Admin\AppData\Local\Temp\9Zb7poKUlz2NQuk.exe --crash-handler "--database=c:\users\admin\appdata\local\Google\Software Reporter Tool" --url=https://clients2.google.com/cr/report --annotation=plat=Win32 --annotation=prod=ChromeFoil --annotation=ver=18.102.0 --initial-client-data=0x2b8,0x2b0,0x2bc,0x2b4,0x2c0,0xf482fc,0xf4830c,0xf4831c
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5448
    • 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:5844
  • 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:1192
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4852
    • 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:1320
  • 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:4148
  • 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:3188

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 8b7375806b88dc867f2db5df32f401d661701f1ad41882a9632db5ddc1f54bdf
        • 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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        9Zb7poKUlz2NQuk.exe
        • Path C:\Users\Admin\AppData\Local\Temp\9Zb7poKUlz2NQuk.exe
        • Size 3.1MB
        • SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CTS.exe
        • Path C:\Windows\CTS.exe
        • Size 71KB
        • SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        settings.dat
        • Path \??\c:\users\admin\appdata\local\Google\Software Reporter Tool\settings.dat
        • Size 40B
        • SHA256 a49173aa5fed36dead6f4b94bddca1eab1ba59e4527915d1be5909432eec4b58
        • MD5 SHA1 SHA512
        Submit Download

        memory/1320-200-0x000000000E470000-0x000000000ECEB000-memory.dmp
        Download

        memory/4148-63-0x0000028703C90000-0x0000028703CB0000-memory.dmp
        Download

        memory/4148-73-0x0000028714660000-0x0000028714680000-memory.dmp
        Download

        memory/4148-61-0x0000028713E70000-0x0000028713F70000-memory.dmp
        Download

        memory/4148-60-0x0000028703930000-0x0000028703950000-memory.dmp
        Download

        memory/4148-38-0x00000287001E0000-0x00000287002E0000-memory.dmp
        Download

        memory/4148-36-0x00000287001E0000-0x00000287002E0000-memory.dmp
        Download