Overview

overview

8

Static

static

3

client.exe

windows10-2004-x64

7

client.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    899s
  • max time network
    550s
  • 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, 13:07

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General

  • Target
    client.exe
  • Size 28KB
  • Sample261023-qc3bvaby4v
  • SHA256 2ccbeb636a4514481471ec8a94be267f1322da2d8d37c66edf06968ba54eaa98
  • 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).

  • Program crash 2 IoCs
  • 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 40 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 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:4616
    • 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:2880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 1652
      2⤵
      • Program crash
      PID:3452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4616 -ip 4616
    1⤵
      PID:5800
    • 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:3280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 1204
        2⤵
        • Program crash
        PID:5016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3280 -ip 3280
      1⤵
        PID:3588
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:4124
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1532
          • 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:3312
        • 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:3576
        • 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:2812
        • C:\Windows\System32\SecurityHealthHost.exe
          \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
          1⤵
            PID:5264

          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 28KB
                • SHA256 2ccbeb636a4514481471ec8a94be267f1322da2d8d37c66edf06968ba54eaa98
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/2812-204-0x000002296FAC0000-0x000002296FD5E000-memory.dmp
                Download

                memory/3280-6-0x0000000074F40000-0x00000000756FC000-memory.dmp
                Download

                memory/3280-9-0x0000000074F40000-0x00000000756FC000-memory.dmp
                Download

                memory/3280-7-0x0000000074F40000-0x00000000756FC000-memory.dmp
                Download

                memory/3576-34-0x000001DA801E0000-0x000001DA802E0000-memory.dmp
                Download

                memory/3576-47-0x000001DA93E80000-0x000001DA93F80000-memory.dmp
                Download

                memory/3576-203-0x000001DA97B50000-0x000001DA97DEE000-memory.dmp
                Download

                memory/3576-46-0x000001DA83A20000-0x000001DA83A40000-memory.dmp
                Download

                memory/3576-62-0x000001DA83C80000-0x000001DA83CA0000-memory.dmp
                Download

                memory/3576-78-0x000001DA94700000-0x000001DA94720000-memory.dmp
                Download

                memory/3576-33-0x000001DA801E0000-0x000001DA802E0000-memory.dmp
                Download

                memory/3576-32-0x000001DA801E0000-0x000001DA802E0000-memory.dmp
                Download

                memory/4616-4-0x0000000074F40000-0x00000000756FC000-memory.dmp
                Download

                memory/4616-1-0x0000000000E40000-0x0000000000E4E000-memory.dmp
                Download

                memory/4616-0-0x0000000074F52000-0x0000000074F53000-memory.dmp
                Download

                memory/4616-2-0x0000000005E20000-0x00000000063DA000-memory.dmp
                Download

                memory/4616-8-0x0000000074F40000-0x00000000756FC000-memory.dmp
                Download

                memory/4616-3-0x0000000005860000-0x00000000058F2000-memory.dmp
                Download