Overview

overview

8

Static

static

8

support.client.exe

windows10-2004-x64

8

support.client.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    106s
  • max time network
    130s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 13:04

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General

  • Target
    support.client.exe
  • Size 305KB
  • Sample260623-qa671sc17y
  • SHA256 1a27d360e4870f260abe8feb74ff71014954200fb83358eb49429ae7306c3836
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoverypersistenceransomwarespywaretrojan

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
  • Manipulates Digital Signatures 1 TTPs 4 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 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 59 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 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\support.client.exe
    "C:\Users\Admin\AppData\Local\Temp\support.client.exe"
    1⤵
    • Manipulates Digital Signatures
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:5168
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
      2⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:2232
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2704
    • 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:1976
  • 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:5740
  • 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:2104

Network

        MITRE ATT&CK Enterprise v16

        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

        memory/2104-23-0x000001FF801E0000-0x000001FF802E0000-memory.dmp
        Download

        memory/2104-52-0x000001FF81DE0000-0x000001FF81E00000-memory.dmp
        Download

        memory/2104-37-0x000001FF81F00000-0x000001FF82000000-memory.dmp
        Download

        memory/2104-68-0x000001FF94700000-0x000001FF94720000-memory.dmp
        Download

        memory/2104-36-0x000001FF81CE0000-0x000001FF81D00000-memory.dmp
        Download

        memory/2232-13-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-19-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-8-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-9-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
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        memory/2232-10-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
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        memory/2232-11-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-0-0x00007FFA0F7CF000-0x00007FFA0F7D0000-memory.dmp
        Download

        memory/2232-12-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-15-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-17-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-18-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-7-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-20-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-6-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
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        memory/2232-5-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-4-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2232-3-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
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        memory/2232-2-0x000001E4EA980000-0x000001E4EAB08000-memory.dmp
        Download

        memory/2232-1-0x000001E4E8190000-0x000001E4E8198000-memory.dmp
        Download

        memory/5740-207-0x000001E31B000000-0x000001E31B691000-memory.dmp
        Download

        memory/5740-214-0x000001E31B000000-0x000001E31B691000-memory.dmp
        Download