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
    123s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 18:15

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General

  • Target
    support.client.exe
  • Size 81KB
  • Sample260623-wvvmlse19s
  • SHA256 693e88c3ede9bf69c9f6b7c46cab0c1360ce5498ed6be7360f634314675a426e
  • 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 2 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.

  • Program crash 1 IoCs
  • 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 4 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 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
  • 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:3588
    • 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:2592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 352
      2⤵
      • Program crash
      PID:4884
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3588 -ip 3588
    1⤵
      PID:1220
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4676
      • 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:4276
    • 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:3432
    • 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:3140
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:3260

      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/2592-12-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
            Download

            memory/2592-10-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-3-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-4-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-5-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-6-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-7-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-8-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-9-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-2-0x000001B3F6770000-0x000001B3F68F8000-memory.dmp
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            memory/2592-11-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-1-0x000001B3DC030000-0x000001B3DC038000-memory.dmp
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            memory/2592-0-0x00007FFDC1E5F000-0x00007FFDC1E60000-memory.dmp
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            memory/2592-13-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-19-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-16-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-17-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-18-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-15-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/2592-14-0x00007FFDC1CD0000-0x00007FFDC2674000-memory.dmp
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            memory/3432-56-0x0000029F81F00000-0x0000029F82000000-memory.dmp
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            memory/3432-65-0x0000029F81E00000-0x0000029F81E20000-memory.dmp
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            memory/3432-25-0x0000029F801E0000-0x0000029F802E0000-memory.dmp
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            memory/3432-88-0x0000029F81E20000-0x0000029F81E40000-memory.dmp
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            memory/3432-55-0x0000029F81CD0000-0x0000029F81CF0000-memory.dmp
            Download

            memory/4276-210-0x000000000DC10000-0x000000000E48B000-memory.dmp
            Download