Overview

overview

7

Static

static

3

Arcbound-S....8.exe

windows10-2004-x64

5

Arcbound-S....8.exe

windows11-ltsc_2024-x64

7

$PLUGINSDI...er.dll

windows10-2004-x64

3

$PLUGINSDI...er.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ll.dll

windows10-2004-x64

3

$PLUGINSDI...ll.dll

windows11-ltsc_2024-x64

3

Arcbound.exe

windows10-2004-x64

7

LICENSES.c...m.html

windows10-2004-x64

3

LICENSES.c...m.html

windows11-ltsc_2024-x64

4

d3dcompiler_47.dll

windows10-2004-x64

1

dxcompiler.dll

windows10-2004-x64

1

dxil.dll

windows10-2004-x64

1

ffmpeg.dll

windows10-2004-x64

1

libEGL.dll

windows10-2004-x64

1

libGLESv2.dll

windows10-2004-x64

1

resources/elevate.exe

windows10-2004-x64

3

resources/elevate.exe

windows11-ltsc_2024-x64

6

vk_swiftshader.dll

windows10-2004-x64

1

vulkan-1.dll

windows10-2004-x64

1

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...7z.dll

windows10-2004-x64

3

$PLUGINSDI...7z.dll

windows11-ltsc_2024-x64

3

$R0/Uninst...nd.exe

windows10-2004-x64

5

$R0/Uninst...nd.exe

windows11-ltsc_2024-x64

6

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Analysis

  • max time kernel
    900s
  • max time network
    484s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 04:29

Sharing

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General

  • Target
    $R0/Uninstall Arcbound.exe
  • Size 191KB
  • Sample260708-e4js2aay6v
  • SHA256 cbb62df66665787b5d66bd8a41a7ae9f4b50302643b280dc3e994b6b6a03d6b4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwaredefense_evasiondiscoveryexecutionpersistenceransomwarespyware

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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

    execution
  • Executes dropped EXE 1 IoCs
  • Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs

    Command interpreters often include specific commands/flags that ignore errors and other hangups.

    defense_evasion
  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 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\$R0\Uninstall Arcbound.exe
    "C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Arcbound.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5540
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if (Get-Command Get-CimInstance -ErrorAction SilentlyContinue) { exit 0 } else { exit 1 }"
        3⤵
        • Hide Artifacts: Ignore Process Interrupts
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1368
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if ((Get-ExecutionPolicy -Scope Process) -eq 'Restricted') { exit 1 } else { exit 0 }"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:6124
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if ((Get-CimInstance -ClassName Win32_Process | ? {$_.Path -and $_.Path.StartsWith('C:\Users\Admin\AppData\Local\Temp\$R0', 'CurrentCultureIgnoreCase')}).Count -gt 0) { exit 0 } else { exit 1 }"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5032
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4216
    • 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:5568
  • 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:2840
  • 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:2524
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1476
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3564

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            StartupProfileData-NonInteractive
            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 16KB
            • SHA256 0b463c112b3a4d452ee6a0af18cf01d13a03d9b5f9e3894a2dc2c411782ff8bb
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            StartupProfileData-NonInteractive
            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 17KB
            • SHA256 ddf5070f29178b59f2990318c1c622c5539d060289d48a06ef41c0b97602b398
            • 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 607B
            • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
            • MD5 SHA1 SHA512 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

            __PSScriptPolicyTest_ctaly4jj.g0x.ps1
            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ctaly4jj.g0x.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            StdUtils.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsg9189.tmp\StdUtils.dll
            • Size 100KB
            • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            System.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsg9189.tmp\System.dll
            • Size 12KB
            • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            WinShell.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsg9189.tmp\WinShell.dll
            • Size 3KB
            • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            nsExec.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsg9189.tmp\nsExec.dll
            • Size 6KB
            • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Un_A.exe
            • Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
            • Size 191KB
            • SHA256 cbb62df66665787b5d66bd8a41a7ae9f4b50302643b280dc3e994b6b6a03d6b4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1368-29-0x0000000006EE0000-0x0000000006F83000-memory.dmp
            Download

            memory/1368-34-0x00000000073B0000-0x00000000073DA000-memory.dmp
            Download

            memory/1368-14-0x0000000005050000-0x0000000005072000-memory.dmp
            Download

            memory/1368-16-0x00000000058B0000-0x0000000005916000-memory.dmp
            Download

            memory/1368-15-0x0000000005840000-0x00000000058A6000-memory.dmp
            Download

            memory/1368-19-0x0000000005A30000-0x0000000005D8B000-memory.dmp
            Download

            memory/1368-20-0x0000000005E30000-0x0000000005E4E000-memory.dmp
            Download

            memory/1368-21-0x0000000005E70000-0x0000000005EBC000-memory.dmp
            Download

            memory/1368-22-0x0000000006E20000-0x0000000006E56000-memory.dmp
            Download

            memory/1368-23-0x0000000073A30000-0x00000000741EC000-memory.dmp
            Download

            memory/1368-24-0x00000000703D0000-0x000000007041C000-memory.dmp
            Download

            memory/1368-27-0x0000000006410000-0x0000000006430000-memory.dmp
            Download

            memory/1368-28-0x0000000073A30000-0x00000000741EC000-memory.dmp
            Download

            memory/1368-30-0x0000000073A30000-0x00000000741EC000-memory.dmp
            Download

            memory/1368-12-0x00000000050C0000-0x000000000570A000-memory.dmp
            Download

            memory/1368-31-0x0000000007810000-0x0000000007E8C000-memory.dmp
            Download

            memory/1368-32-0x00000000071B0000-0x00000000071CA000-memory.dmp
            Download

            memory/1368-33-0x0000000007210000-0x000000000721A000-memory.dmp
            Download

            memory/1368-35-0x00000000073E0000-0x0000000007404000-memory.dmp
            Download

            memory/1368-13-0x0000000073A30000-0x00000000741EC000-memory.dmp
            Download

            memory/1368-36-0x0000000070550000-0x00000000708AB000-memory.dmp
            Download

            memory/1368-38-0x0000000073A30000-0x00000000741EC000-memory.dmp
            Download

            memory/1368-9-0x0000000073A42000-0x0000000073A43000-memory.dmp
            Download

            memory/1368-11-0x0000000073A30000-0x00000000741EC000-memory.dmp
            Download

            memory/1368-10-0x0000000002960000-0x0000000002996000-memory.dmp
            Download

            memory/2524-275-0x000001C2C8380000-0x000001C2C861E000-memory.dmp
            Download

            memory/2840-274-0x0000025096B40000-0x0000025096DDE000-memory.dmp
            Download

            memory/2840-93-0x0000025093F90000-0x0000025094090000-memory.dmp
            Download

            memory/2840-77-0x00000250801E0000-0x00000250802E0000-memory.dmp
            Download

            memory/2840-91-0x0000025083A70000-0x0000025083A90000-memory.dmp
            Download

            memory/2840-123-0x0000025094810000-0x0000025094830000-memory.dmp
            Download

            memory/2840-109-0x0000025083D90000-0x0000025083DB0000-memory.dmp
            Download

            memory/5032-213-0x00000000065F0000-0x000000000663C000-memory.dmp
            Download

            memory/5032-251-0x0000000007350000-0x00000000073F3000-memory.dmp
            Download

            memory/5032-254-0x0000000070530000-0x000000007088B000-memory.dmp
            Download

            memory/5032-248-0x00000000703B0000-0x00000000703FC000-memory.dmp
            Download

            memory/5032-210-0x0000000005BD0000-0x0000000005F2B000-memory.dmp
            Download

            memory/6124-45-0x00000000703D0000-0x000000007041C000-memory.dmp
            Download

            memory/6124-48-0x0000000007B00000-0x0000000007B96000-memory.dmp
            Download

            memory/6124-49-0x0000000007A60000-0x0000000007A71000-memory.dmp
            Download