Overview

overview

10

Static

static

3

x59mrlbx3vrjookg.exe

windows11-ltsc_2024-x64

10

x59mrlbx3vrjookg.exe

windows10-2004-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 14:55

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General

  • Target
    x59mrlbx3vrjookg.exe
  • Size 755KB
  • Sample260803-satysstvav
  • SHA256 7eb7efa6da1b8327066d00e7eb713d9622bb9b42016b6db5e1c908726180e6e4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
collectiondefense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwarespywarestealer

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • 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
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    persistenceprivilege_escalation
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 21 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Looks up external IP address via web service 1 TTPs 6 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery
  • Drops file in Windows directory 4 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Kills process with taskkill 1 IoCs
    defense_evasion
  • Modifies registry class 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\x59mrlbx3vrjookg.exe
    "C:\Users\Admin\AppData\Local\Temp\x59mrlbx3vrjookg.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name=".x5"vCm~v56{ve" dir=in action=allow program="C:\Windows\xdwd_Microsoft67" enable=yes & exit
      2⤵
        PID:1640
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\xdwd_Microsoft67" /RL HIGHEST & exit
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2068
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\xdwd_Microsoft67" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:6012
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /C taskkill /im explorer.exe /f > NUL 2>&1 && timeout /t 3 /nobreak > NUL && start explorer.exe
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2128
        • C:\Windows\system32\taskkill.exe
          taskkill /im explorer.exe /f
          3⤵
          • Loads dropped DLL
          • Kills process with taskkill
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5268
        • C:\Windows\system32\timeout.exe
          timeout /t 3 /nobreak
          3⤵
          • Loads dropped DLL
          • Delays execution with timeout.exe
          • Suspicious behavior: EnumeratesProcesses
          PID:2812
        • C:\Windows\explorer.exe
          explorer.exe
          3⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Loads dropped DLL
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:4016
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\xdwd_Microsoft67" /RL HIGHEST & exit
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3816
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\xdwd_Microsoft67" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3812
    • 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:2132
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2756
    • C:\Windows\xdwd_Microsoft67
      C:\Windows\xdwd_Microsoft67
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:404
    • C:\Windows\xdwd_Microsoft67
      C:\Windows\xdwd_Microsoft67
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:4696
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:4936
    • C:\Windows\xdwd_Microsoft67
      C:\Windows\xdwd_Microsoft67
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:5764

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Command and Scripting Interpreter

          1
          T1059

          Windows Command Shell

          1
          T1059.003

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Persistence

          Boot or Logon Autostart Execution

          2
          T1547

          Active Setup

          1
          T1547.014

          Winlogon Helper DLL

          1
          T1547.004

          Event Triggered Execution

          1
          T1546

          AppInit DLLs

          1
          T1546.010

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Privilege Escalation

          Boot or Logon Autostart Execution

          2
          T1547

          Active Setup

          1
          T1547.014

          Winlogon Helper DLL

          1
          T1547.004

          Event Triggered Execution

          1
          T1546

          AppInit DLLs

          1
          T1546.010

          Scheduled Task/Job

          1
          T1053

          Scheduled Task

          1
          T1053.005

          Defense Evasion

          Modify Registry

          2
          T1112

          Credential Access

          Credentials from Password Stores

          1
          T1555

          Credentials from Web Browsers

          1
          T1555.003

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Browser Information Discovery

          1
          T1217

          Peripheral Device Discovery

          2
          T1120

          Query Registry

          4
          T1012

          System Information Discovery

          3
          T1082

          System Network Configuration Discovery

          1
          T1016

          Internet Connection Discovery

          1
          T1016.001

          Lateral Movement

          Collection

          Data from Local System

          1
          T1005

          Email Collection

          1
          T1114

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          xdwd_Microsoft67.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\xdwd_Microsoft67.log
          • Size 1KB
          • SHA256 d049789c187b2f58c900eab10205bc037740dca8640ab40c314790fefaab66ff
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Microsoft_Office_SETLANG_EXE_15
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_Office_SETLANG_EXE_15
          • Size 36KB
          • SHA256 0c1cdbbf6d974764aad46477863059eaec7b1717a7d26b025f0f8fe24338bb36
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft_Windows_ControlPanel
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_Windows_ControlPanel
          • Size 36KB
          • SHA256 1649ec9493be27f76ae7304927d383f8a53dd3e41ea1678bacaff33120ea4170
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          AppCache134302426115632619.txt
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134302426115632619.txt
          • Size 85KB
          • SHA256 b9473398ce7d559c8fe1e0fd096cededab5b3509c5b44aa7b3945d329b2b2a5b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          CortanaUnifiedTileModelCache.dat
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\TempState\CortanaUnifiedTileModelCache.dat
          • Size 21KB
          • SHA256 da807a1cfbee730b9b5b7093797935febb3e4c0af2a9ab366a97b1d0fcedbe59
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          xdwd.dll
          • Path C:\Windows\xdwd.dll
          • Size 136KB
          • SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          xdwd_Microsoft67
          • Path C:\Windows\xdwd_Microsoft67
          • Size 755KB
          • SHA256 7eb7efa6da1b8327066d00e7eb713d9622bb9b42016b6db5e1c908726180e6e4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/404-256-0x00000165D5500000-0x00000165D552E000-memory.dmp
          Download

          memory/2756-250-0x0000019244000000-0x000001924592F000-memory.dmp
          Download

          memory/2756-220-0x0000019245930000-0x00000192460AA000-memory.dmp
          Download

          memory/2756-57-0x0000019A47440000-0x0000019A47460000-memory.dmp
          Download

          memory/2756-54-0x0000019A46420000-0x0000019A46520000-memory.dmp
          Download

          memory/2756-80-0x0000019A47800000-0x0000019A47820000-memory.dmp
          Download

          memory/2756-66-0x0000019A47400000-0x0000019A47420000-memory.dmp
          Download

          memory/2756-52-0x0000019A46420000-0x0000019A46520000-memory.dmp
          Download

          memory/2756-308-0x0000019244000000-0x000001924592F000-memory.dmp
          Download

          memory/2756-207-0x0000019244000000-0x000001924592F000-memory.dmp
          Download

          memory/2756-53-0x0000019A46420000-0x0000019A46520000-memory.dmp
          Download

          memory/2756-309-0x0000019245930000-0x00000192460AA000-memory.dmp
          Download

          memory/4016-50-0x0000000002530000-0x0000000002531000-memory.dmp
          Download

          memory/4580-48-0x0000022E79380000-0x0000022E79390000-memory.dmp
          Download

          memory/4580-0-0x0000022E775F0000-0x0000022E776B2000-memory.dmp
          Download

          memory/4580-1-0x0000022E79380000-0x0000022E79390000-memory.dmp
          Download

          memory/5268-35-0x00007FFDF2EF0000-0x00007FFDF30E5000-memory.dmp
          Download

          memory/5268-34-0x00007FFDF2EF0000-0x00007FFDF30E5000-memory.dmp
          Download

          memory/5268-33-0x00007FFDF2F8D000-0x00007FFDF2F8E000-memory.dmp
          Download