Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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, 18:13

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260708-wt52ysev2q
  • SHA256 079a7703a1e79080a42bb6755bfe44849acfc8b95e4e07e85cbc39073cb6ebb8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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.

  • ConnectWise ScreenConnect remote access tool

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

  • 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 12 IoCs
  • 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.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 14 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3276
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\dcbb1ff94e6ff898\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:1308
  • 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:5576
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3215B722A501BB2D3927413184CB2FBF C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4640
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF018.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240709828 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4448
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF2F7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240710421 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3968
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID74D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240769000 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3108
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2904
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 24C31AC1CEE519E1FC75F2ABB2B8AFE5
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1332
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E0C29771F5B9546218054D4EB13E582B E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2120
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1720
    • C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-vpemwa-relay.screenconnect.com&p=443&s=c228998d-24f2-408b-8056-8c06cc418bb5&k=BgIAAACkAABSU0ExAAgAAAEAAQBlioqb%2fbRrnRrSOiwya1IW1Xfr0Gbfx1YAjAWGJGoo97qy2pfh3narmdhifgHkjS2QOiW3E6ZJuIJZcedOGYZdm8mS%2fm3TjJm4XaByZ4AC03lWWYglVazlYX6lz1wrlMFuFcAB%2bXCmVEB9%2bKdXO9vg2Xe0Nxc8eK0MeX2L4AAIHtmw2NbAwT4pwYBeBXNcVovbyojQFPxUJ%2bXZkMI0xWsuzAO0J4AJqrWzYL1eTZl7OlSvohvjpAVg3JCxHGP3uYjdyTOtgNQsZwZ4SoLAl5BQtaIBodnTe8y5cDnLrpsU%2f26Ax1fAKI91ZLEH58MSVckwQjoxsetOjQMKR0ykttjS"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.WindowsClient.exe" "RunRole" "ce272e3d-dccf-4837-9f46-55b4741aa77b" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2356
      • C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.WindowsClient.exe" "RunRole" "fb0a06c5-85d5-40ed-ba36-2a67219ea85b" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5668

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a2935.rbs

          • Path C:\Config.Msi\e5a2935.rbs
          • Size 214KB
          • SHA256 f306e072920b387afeedeefd49e637f67e92a4f14f29d277f4d76c644e476268
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (dcbb1ff94e6ff898)\system.config
          • Size 956B
          • SHA256 a38d78502362b157a08a06cc5bf3ee9da8cdee8277a74074ddaa7ec30407cca8
          • MD5 SHA1 SHA512 TLSH

          MSIF018.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF018.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF018.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF018.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF018.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF018.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF2F7.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF2F7.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\dcbb1ff94e6ff898\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 ab155600f161e87bf1512eb54e6d1dd6924a1e0c1600a8a2f7b9e3f010c64110
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI30A7.tmp

          • Path C:\Windows\Installer\MSI30A7.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          i5rkqoxo.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (dcbb1ff94e6ff898)\i5rkqoxo.newcfg
          • Size 683B
          • SHA256 654fe1e8193637c6be7b8b641fcfc6089923c505f57a2a580aaa2441c9280e65
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (dcbb1ff94e6ff898)\user.config
          • Size 520B
          • SHA256 d87e5935fe2469fd53b6c6408a8966e5e8969a27ad82dcb3521d8c69d26fc666
          • MD5 SHA1 SHA512 TLSH

          wsivz0xz.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (dcbb1ff94e6ff898)\wsivz0xz.newcfg
          • Size 882B
          • SHA256 2a1674ad77c6cf058b385e720191bad8517b4902a826edf6e7794722afbec056
          • MD5 SHA1 SHA512 TLSH

          x3xbwgyi.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (dcbb1ff94e6ff898)\x3xbwgyi.newcfg
          • Size 882B
          • SHA256 c1b581209764a18cd4d6163cd93e693a984bfe04abd1c2bbae2f76c331c65dd0
          • MD5 SHA1 SHA512 TLSH

          {102c36e1-adfa-4657-9d18-512c42e185cf}_OnDiskSnapshotProp

          • Path \??\Volume{b50918b2-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{102c36e1-adfa-4657-9d18-512c42e185cf}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 09ef0789b64d8b0ec99a93d962dce9becc586011e25f92177460bd5273c2c1d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1820-153-0x00000000019D0000-0x00000000019EA000-memory.dmp

          memory/1820-198-0x0000000004220000-0x0000000004261000-memory.dmp

          memory/1820-196-0x0000000004600000-0x0000000004692000-memory.dmp

          memory/1820-159-0x0000000003FF0000-0x0000000004084000-memory.dmp

          memory/1820-195-0x00000000044F0000-0x000000000455C000-memory.dmp

          memory/1820-163-0x00000000042D0000-0x0000000004480000-memory.dmp

          memory/1820-200-0x00000000047F0000-0x00000000048C6000-memory.dmp

          memory/1820-171-0x0000000004270000-0x00000000042C0000-memory.dmp

          memory/2356-220-0x000000001B4C0000-0x000000001B554000-memory.dmp

          memory/2356-223-0x00000000026D0000-0x00000000026EA000-memory.dmp

          memory/2356-224-0x000000001BA50000-0x000000001BBD8000-memory.dmp

          memory/2356-221-0x000000001B710000-0x000000001B8C0000-memory.dmp

          memory/2356-219-0x000000001B0B0000-0x000000001B11C000-memory.dmp

          memory/2356-218-0x00000000003E0000-0x000000000048C000-memory.dmp

          memory/3276-4-0x00000000059D0000-0x0000000005A64000-memory.dmp

          memory/3276-0-0x0000000074922000-0x0000000074923000-memory.dmp

          memory/3276-5-0x0000000003550000-0x0000000003578000-memory.dmp

          memory/3276-7-0x0000000074910000-0x00000000750CC000-memory.dmp

          memory/3276-6-0x0000000005B40000-0x0000000005CF0000-memory.dmp

          memory/3276-3-0x0000000074910000-0x00000000750CC000-memory.dmp

          memory/3276-2-0x0000000001DA0000-0x0000000001DAC000-memory.dmp

          memory/3276-1-0x0000000001D80000-0x0000000001D88000-memory.dmp

          memory/3276-8-0x00000000062B0000-0x000000000686A000-memory.dmp

          memory/3276-9-0x0000000074910000-0x00000000750CC000-memory.dmp

          memory/3276-11-0x0000000074910000-0x00000000750CC000-memory.dmp

          memory/3276-12-0x0000000074910000-0x00000000750CC000-memory.dmp

          memory/3968-75-0x0000000003930000-0x0000000003958000-memory.dmp

          memory/4448-45-0x0000000006550000-0x0000000006700000-memory.dmp

          memory/4448-41-0x0000000004130000-0x00000000041C4000-memory.dmp

          memory/4448-37-0x0000000003310000-0x000000000331C000-memory.dmp

          memory/4448-33-0x00000000032D0000-0x00000000032FE000-memory.dmp