Analysis

  • max time kernel
    123s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/06/2026, 00:23

General

  • Target
    support.client.exe
  • Size 305KB
  • Sample260627-apl8dsfx6t
  • SHA256 d6dac4795a555ac174409e0fc911e18747284480c0e6f5f9f3d79b0bc1c30459
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • 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.

  • 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
  • Modifies registry class 59 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

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:1624
    • 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:5780
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4152
    • 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:256
  • 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:2416
  • 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:2180

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

        memory/256-209-0x000000000F770000-0x000000000F7EC000-memory.dmp

        memory/256-208-0x000000000F540000-0x000000000F590000-memory.dmp

        memory/2180-211-0x00000208ED3C0000-0x00000208ED65E000-memory.dmp

        memory/2416-71-0x000001A281E70000-0x000001A281E90000-memory.dmp

        memory/2416-210-0x000001A285C40000-0x000001A285EDE000-memory.dmp

        memory/2416-22-0x000001A2801E0000-0x000001A2802E0000-memory.dmp

        memory/2416-50-0x000001A281EB0000-0x000001A281FB0000-memory.dmp

        memory/2416-20-0x000001A2801E0000-0x000001A2802E0000-memory.dmp

        memory/2416-85-0x000001A2842B0000-0x000001A2842D0000-memory.dmp

        memory/2416-21-0x000001A2801E0000-0x000001A2802E0000-memory.dmp

        memory/2416-48-0x000001A281AB0000-0x000001A281AD0000-memory.dmp

        memory/5780-7-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-8-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-14-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-15-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-16-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-12-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-11-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-10-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-9-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-13-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-1-0x0000023B06CB0000-0x0000023B06CB8000-memory.dmp

        memory/5780-6-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-5-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-4-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-3-0x00007FFA35560000-0x00007FFA35F04000-memory.dmp

        memory/5780-2-0x0000023B212D0000-0x0000023B21458000-memory.dmp

        memory/5780-0-0x00007FFA356EF000-0x00007FFA356F0000-memory.dmp