Overview

overview

8

Static

static

3

client.exe

windows10-2004-x64

7

client.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    898s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 14:11

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General

  • Target
    client.exe
  • Size 29KB
  • Sample261023-rhgsrssy6k
  • SHA256 414d9d246984f462d91b39218c64b96a940630212a3ee5d04b446429686a4143
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoveryexecutionpersistenceransomwarespyware

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 a file named after a Windows system binary 1 TTPs 1 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    defense_evasion
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 3 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\client.exe
    "C:\Users\Admin\AppData\Local\Temp\client.exe"
    1⤵
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /tn "Windows Update Service" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe" /sc onlogon /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5136
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes a file named after a Windows system binary
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2920
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2560
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:6008
      • 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 use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:2164
    • 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:2892
    • 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:1928
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3472

      Network

            MITRE ATT&CK Enterprise v16

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Persistence

            Boot or Logon Autostart Execution

            2
            T1547

            Active Setup

            1
            T1547.014

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Privilege Escalation

            Boot or Logon Autostart Execution

            2
            T1547

            Active Setup

            1
            T1547.014

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Defense Evasion

            Masquerading

            1
            T1036

            Match Legitimate Name or Location

            1
            T1036.005

            Modify Registry

            3
            T1112

            Credential Access

            Discovery

            Peripheral Device Discovery

            2
            T1120

            Query Registry

            3
            T1012

            System Information Discovery

            3
            T1082

            System Location Discovery

            1
            T1614

            System Language Discovery

            1
            T1614.001

            System Network Configuration Discovery

            1
            T1016

            Lateral Movement

            Collection

            Command and Control

            Exfiltration

            Impact

            Replay Monitor

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            Downloads

            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

            svchost.exe
            • Path C:\Users\Admin\AppData\Roaming\svchost.exe
            • Size 29KB
            • SHA256 414d9d246984f462d91b39218c64b96a940630212a3ee5d04b446429686a4143
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1888-10-0x0000000074890000-0x000000007504C000-memory.dmp
            Download

            memory/1888-9-0x00000000748A2000-0x00000000748A3000-memory.dmp
            Download

            memory/1888-4-0x0000000074890000-0x000000007504C000-memory.dmp
            Download

            memory/1888-5-0x0000000006620000-0x000000000662A000-memory.dmp
            Download

            memory/1888-2-0x00000000053C0000-0x000000000597A000-memory.dmp
            Download

            memory/1888-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp
            Download

            memory/1888-1-0x00000000001E0000-0x00000000001EE000-memory.dmp
            Download

            memory/1888-0-0x00000000748A2000-0x00000000748A3000-memory.dmp
            Download

            memory/2892-36-0x00000219801E0000-0x00000219802E0000-memory.dmp
            Download

            memory/2892-65-0x0000021982C60000-0x0000021982C80000-memory.dmp
            Download

            memory/2892-48-0x0000021982920000-0x0000021982940000-memory.dmp
            Download

            memory/2892-49-0x0000021982D80000-0x0000021982E80000-memory.dmp
            Download

            memory/2892-34-0x00000219801E0000-0x00000219802E0000-memory.dmp
            Download

            memory/2892-80-0x0000021994140000-0x0000021994160000-memory.dmp
            Download

            memory/2920-7-0x0000000074890000-0x000000007504C000-memory.dmp
            Download

            memory/2920-12-0x0000000074890000-0x000000007504C000-memory.dmp
            Download

            memory/2920-11-0x0000000074890000-0x000000007504C000-memory.dmp
            Download

            memory/2920-8-0x0000000074890000-0x000000007504C000-memory.dmp
            Download