Overview

overview

8

Static

static

3

2026-07-08...ar.exe

windows10-2004-x64

7

2026-07-08...ar.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    110s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 05:09

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General

  • Target
    2026-07-08_00554750e58c46481de5d2adfb32df16_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe
  • Size 815KB
  • Sample260708-ftaytabv5w
  • SHA256 54005cf4d3035bec497dcd5d6896863978d6f4fba11a97bdc3b842e11f242f61
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespywarestealer

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 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • 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 System32 directory 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • 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 39 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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\2026-07-08_00554750e58c46481de5d2adfb32df16_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-08_00554750e58c46481de5d2adfb32df16_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4740
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2480
  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:6008
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:3704
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:2296
  • \??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE
    "c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
    1⤵
    • Executes dropped EXE
    PID:5136
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2060
    • 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:3052
  • 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:1280
  • 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:852

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        elevation_service.exe
        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
        • Size 2.7MB
        • SHA256 7ee043434c76fb265a4995a641f644a6761646e0debc921c70789ec1d2555b1e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        maintenanceservice.exe
        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 845KB
        • SHA256 b40b8acea766fe219d39bd957beeb32595bd08b79056eb1972681400a5f35805
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OSE.EXE
        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 825KB
        • SHA256 94fafcb8fe8df48284fab7b192052534893ee8c6bb385c8cb7fe7b1e2ca9c217
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        elevation_service.exe
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 2.8MB
        • SHA256 8b2b69f956ffb6683e18601ac37312550c66f716b9f827081cb489e9bb5c6922
        • 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 607B
        • SHA256 7c21835f01895c1ee4e12f81e71ef06a0f6e2b9281de493ff8ec95f913e9680d
        • MD5 SHA1 SHA512 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

        alg.exe
        • Path C:\Windows\System32\alg.exe
        • Size 776KB
        • SHA256 9bd712e1666bc662ea9566abcc77c0262d13fc2def55f65cccd8b7e1930df948
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1280-96-0x000001FD01A10000-0x000001FD01A30000-memory.dmp
        Download

        memory/1280-124-0x000001FD14300000-0x000001FD14320000-memory.dmp
        Download

        memory/1280-78-0x000001FD001E0000-0x000001FD002E0000-memory.dmp
        Download

        memory/1280-97-0x000001FD01E30000-0x000001FD01F30000-memory.dmp
        Download

        memory/1280-79-0x000001FD001E0000-0x000001FD002E0000-memory.dmp
        Download

        memory/1280-80-0x000001FD001E0000-0x000001FD002E0000-memory.dmp
        Download

        memory/1280-110-0x000001FD01D50000-0x000001FD01D70000-memory.dmp
        Download

        memory/2296-45-0x0000018C45770000-0x0000018C457D6000-memory.dmp
        Download

        memory/2296-44-0x00007FF732B40000-0x00007FF732CA7000-memory.dmp
        Download

        memory/2296-53-0x00007FF732B40000-0x00007FF732CA7000-memory.dmp
        Download

        memory/2296-51-0x0000018C45770000-0x0000018C457D6000-memory.dmp
        Download

        memory/2296-46-0x0000018C45770000-0x0000018C457D6000-memory.dmp
        Download

        memory/2480-43-0x00007FF7DB7A0000-0x00007FF7DB8C2000-memory.dmp
        Download

        memory/2480-13-0x00000206A3840000-0x00000206A38A6000-memory.dmp
        Download

        memory/2480-11-0x00007FF7DB7A0000-0x00007FF7DB8C2000-memory.dmp
        Download

        memory/2480-12-0x00000206A3840000-0x00000206A38A6000-memory.dmp
        Download

        memory/2480-14-0x00000206A3840000-0x00000206A38A6000-memory.dmp
        Download

        memory/3704-38-0x000001EE3D290000-0x000001EE3D2F6000-memory.dmp
        Download

        memory/3704-36-0x000001EE3D290000-0x000001EE3D2F6000-memory.dmp
        Download

        memory/3704-35-0x000001EE3D290000-0x000001EE3D2F6000-memory.dmp
        Download

        memory/3704-34-0x000001EE3D0E0000-0x000001EE3D1BE000-memory.dmp
        Download

        memory/4740-0-0x00007FF635B00000-0x00007FF635C55000-memory.dmp
        Download

        memory/4740-3-0x000001FA7EE30000-0x000001FA7EE96000-memory.dmp
        Download

        memory/4740-22-0x00007FF635B00000-0x00007FF635C55000-memory.dmp
        Download

        memory/4740-1-0x000001FA7EE30000-0x000001FA7EE96000-memory.dmp
        Download

        memory/4740-19-0x000001FA7EE30000-0x000001FA7EE96000-memory.dmp
        Download

        memory/5136-58-0x00000247914A0000-0x0000024791506000-memory.dmp
        Download

        memory/5136-56-0x0000024791370000-0x000002479144E000-memory.dmp
        Download

        memory/5136-57-0x00000247914A0000-0x0000024791506000-memory.dmp
        Download

        memory/6008-28-0x000002260C320000-0x000002260C386000-memory.dmp
        Download

        memory/6008-26-0x000002260C320000-0x000002260C386000-memory.dmp
        Download

        memory/6008-27-0x000002260C320000-0x000002260C386000-memory.dmp
        Download

        memory/6008-25-0x000002260C140000-0x000002260C21E000-memory.dmp
        Download