Overview

overview

10

Static

static

10

New Client.exe

windows10-2004-x64

7

New Client.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    1050s
  • max time network
    1050s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 09:12

Sharing

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General

  • Target
    New Client.exe
  • Size 65KB
  • Sample260707-k6f3tabx5p
  • SHA256 30d2f34c8d8200a516b0fd2693ca8614782b50ce71ec05112a663a376caef29d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarebootkitdiscoveryexecutionpersistencespyware

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
  • Drops startup file 3 IoCs
  • Executes dropped EXE 20 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 25 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 36 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\ProgramData\RobloxVOICE.exe
      "C:\ProgramData\RobloxVOICE.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Writes to the Master Boot Record (MBR)
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "microphone" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5864
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "microphone" /tr C:\ProgramData\RobloxVOICE.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3064
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4140
  • C:\ProgramData\RobloxVOICE.exe
    "C:\ProgramData\RobloxVOICE.exe" ..
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3420
  • C:\ProgramData\RobloxVOICE.exe
    C:\ProgramData\RobloxVOICE.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2604
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2100
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3444
  • 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:3216
  • 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:5008
  • C:\ProgramData\RobloxVOICE.exe
    "C:\ProgramData\RobloxVOICE.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5952
  • C:\ProgramData\RobloxVOICE.exe
    "C:\ProgramData\RobloxVOICE.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3540
  • C:\ProgramData\RobloxVOICE.exe
    "C:\ProgramData\RobloxVOICE.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:632
  • C:\ProgramData\RobloxVOICE.exe
    "C:\ProgramData\RobloxVOICE.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1088
  • C:\ProgramData\RobloxVOICE.exe
    "C:\ProgramData\RobloxVOICE.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3860
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1408
    • C:\ProgramData\RobloxVOICE.exe
      "C:\ProgramData\RobloxVOICE.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4660
    • C:\ProgramData\RobloxVOICE.exe
      "C:\ProgramData\RobloxVOICE.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4548
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x00000000000004F0 0x00000000000004F8
      1⤵
        PID:1384
      • C:\ProgramData\RobloxVOICE.exe
        "C:\ProgramData\RobloxVOICE.exe"
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3788
      • C:\ProgramData\RobloxVOICE.exe
        "C:\ProgramData\RobloxVOICE.exe"
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2608
      • C:\ProgramData\RobloxVOICE.exe
        "C:\ProgramData\RobloxVOICE.exe"
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1988
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:2708
        • C:\ProgramData\RobloxVOICE.exe
          "C:\ProgramData\RobloxVOICE.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5436
        • C:\ProgramData\RobloxVOICE.exe
          "C:\ProgramData\RobloxVOICE.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5068
        • C:\ProgramData\RobloxVOICE.exe
          "C:\ProgramData\RobloxVOICE.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4960
        • C:\ProgramData\RobloxVOICE.exe
          "C:\ProgramData\RobloxVOICE.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3596
        • C:\ProgramData\RobloxVOICE.exe
          "C:\ProgramData\RobloxVOICE.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1080
        • C:\ProgramData\RobloxVOICE.exe
          "C:\ProgramData\RobloxVOICE.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:680
        • C:\ProgramData\RobloxVOICE.exe
          "C:\ProgramData\RobloxVOICE.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4992

        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

              Pre-OS Boot

              1
              T1542

              Bootkit

              1
              T1542.003

              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

              Modify Registry

              3
              T1112

              Pre-OS Boot

              1
              T1542

              Bootkit

              1
              T1542.003

              Credential Access

              Discovery

              Peripheral Device Discovery

              2
              T1120

              Query Registry

              2
              T1012

              System Information Discovery

              3
              T1082

              System Location Discovery

              1
              T1614

              System Language Discovery

              1
              T1614.001

              Lateral Movement

              Collection

              Command and Control

              Exfiltration

              Impact

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              RobloxVOICE.exe
              • Path C:\ProgramData\RobloxVOICE.exe
              • Size 65KB
              • SHA256 30d2f34c8d8200a516b0fd2693ca8614782b50ce71ec05112a663a376caef29d
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              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

              nvofhnalhu.gif
              • Path C:\Users\Admin\AppData\Local\Temp\nvofhnalhu.gif
              • Size 241KB
              • SHA256 b4bc127b5d66ab018235635fc12fe65d6ce97f9f8350e965213d9dca9264da45
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              wwvshgbpay.gif
              • Path C:\Users\Admin\AppData\Local\Temp\wwvshgbpay.gif
              • Size 297KB
              • SHA256 8d070d9c04be926f34064e585edc84c8837bc4476eacde6b046e855d213f48fc
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              RobloxVOICE.url
              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RobloxVOICE.url
              • Size 182B
              • SHA256 297299202af9d81e12e872632fd82ab26efd588bc678f1f5328011f5bc2fe45c
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              EditExpand.docx
              • Path C:\Users\Admin\Desktop\EditExpand.docx
              • Size 13KB
              • SHA256 8af9fbd11036f155924d00f07e02f2d7ed476dd6ab3407dd260b725bd105f1ca
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              ExportRequest.docx
              • Path C:\Users\Admin\Desktop\ExportRequest.docx
              • Size 16KB
              • SHA256 057ffa68366e7b2c039a94527682535a7ed957e91881cd92891c581ab4fccd4d
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              OptimizeResolve.vdx
              • Path C:\Users\Admin\Desktop\OptimizeResolve.vdx
              • Size 426KB
              • SHA256 6702c44cd026aaadc7ce5d29fda9489e7151a736581b4ca2696fd8fc97c17ac4
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              PushLimit.bat
              • Path C:\Users\Admin\Desktop\PushLimit.bat
              • Size 479KB
              • SHA256 6031c05be237c20c81c49d131891e19b7543c685156338ed2130217f68b312dc
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              ResolveConvertTo.mpg
              • Path C:\Users\Admin\Desktop\ResolveConvertTo.mpg
              • Size 835KB
              • SHA256 769a101cb7ba4c9106039fa23cff967b22f890527916e50bb34edd5e0e884259
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              SendUnpublish.mp2
              • Path C:\Users\Admin\Desktop\SendUnpublish.mp2
              • Size 391KB
              • SHA256 67f06132ff67d491cfccfcd3147c32e51aaf30994487e3735dd13f36343099c7
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              UnlockCompress.avi
              • Path C:\Users\Admin\Desktop\UnlockCompress.avi
              • Size 497KB
              • SHA256 563944539a73b3c20985f5b08f6acd4fc340e81370018238609b45a079b546f2
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              UnlockSave.ADT
              • Path C:\Users\Admin\Desktop\UnlockSave.ADT
              • Size 444KB
              • SHA256 cb89f4889f1421e2763fc571dd44d67a8bd24ee7917541769196cd926220423c
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              UseNew.xls
              • Path C:\Users\Admin\Desktop\UseNew.xls
              • Size 515KB
              • SHA256 581a7c4c4d817008ed2525d2c52f5b66749491e12edd6f9607a62116702e1427
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1144-0-0x0000000001770000-0x0000000001780000-memory.dmp
              Download

              memory/1144-1-0x0000000074322000-0x0000000074324000-memory.dmp
              Download

              memory/2028-17-0x0000000074320000-0x0000000074941000-memory.dmp
              Download

              memory/2028-15-0x0000000074320000-0x0000000074941000-memory.dmp
              Download

              memory/2028-12-0x0000000074320000-0x0000000074941000-memory.dmp
              Download

              memory/2028-11-0x0000000074320000-0x0000000074941000-memory.dmp
              Download

              memory/3216-42-0x000002B76CAE0000-0x000002B76CBE0000-memory.dmp
              Download

              memory/3216-85-0x000002B713BC0000-0x000002B713BE0000-memory.dmp
              Download

              memory/3216-52-0x000002B7033A0000-0x000002B7033C0000-memory.dmp
              Download

              memory/3216-71-0x000002B703640000-0x000002B703660000-memory.dmp
              Download

              memory/3216-54-0x000002B713840000-0x000002B713940000-memory.dmp
              Download

              memory/3216-41-0x000002B76CAE0000-0x000002B76CBE0000-memory.dmp
              Download

              memory/3216-40-0x000002B76CAE0000-0x000002B76CBE0000-memory.dmp
              Download

              memory/3420-19-0x0000000074320000-0x0000000074941000-memory.dmp
              Download

              memory/3420-16-0x0000000074320000-0x0000000074941000-memory.dmp
              Download

              memory/3444-205-0x000000000A620000-0x000000000A87F000-memory.dmp
              Download

              memory/3444-226-0x000000000F630000-0x00000000104AD000-memory.dmp
              Download

              memory/3444-234-0x000000000F630000-0x00000000104AD000-memory.dmp
              Download

              memory/3444-265-0x000000000F630000-0x00000000104AD000-memory.dmp
              Download

              memory/3444-288-0x000000000F630000-0x00000000104AD000-memory.dmp
              Download