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
    129s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 12:11

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General

  • Target
    support.client.exe
  • Size 305KB
  • Sample260706-pc26eaaw9m
  • SHA256 c2680a1d24383ef87537fb65626d2f9a3313b3529a8d0d03944122854945325a
  • 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 61 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 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

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:1996
    • 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:5080
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1168
    • 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:5880
  • 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:5088
  • 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:4996

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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/5080-12-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-9-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-3-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-4-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-5-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-7-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-6-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-13-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-1-0x00007FFB9287F000-0x00007FFB92880000-memory.dmp
        Download

        memory/5080-10-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-2-0x000001C5DDD60000-0x000001C5DDEE8000-memory.dmp
        Download

        memory/5080-11-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-8-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-14-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-15-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-16-0x00007FFB926F0000-0x00007FFB93094000-memory.dmp
        Download

        memory/5080-0-0x000001C5C3720000-0x000001C5C3728000-memory.dmp
        Download

        memory/5088-35-0x0000025C01F00000-0x0000025C02000000-memory.dmp
        Download

        memory/5088-43-0x0000025C01DE0000-0x0000025C01E00000-memory.dmp
        Download

        memory/5088-66-0x0000025C14700000-0x0000025C14720000-memory.dmp
        Download

        memory/5088-33-0x0000025C01CA0000-0x0000025C01CC0000-memory.dmp
        Download

        memory/5088-20-0x0000025C001E0000-0x0000025C002E0000-memory.dmp
        Download

        memory/5880-210-0x000000000AAE0000-0x000000000AC6E000-memory.dmp
        Download