Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 06:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260620-g2sdhaez21
  • SHA256 6e0355bd3ec9ae09014bc2f2c5a04c714b7967f80faf64af1e5209dadac5611d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 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 9 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 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 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:5468
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\7fae5b2bdfcc0a98\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:5444
  • 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:4748
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 927ABB366B03082485FE6D7EBF1B82E0 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240696671 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5924
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC03F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240697437 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3604
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC6C8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240699234 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2984
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5848
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding CD556B7AEB32185DFE8EE2505A071C96
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2864
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 65C7F5E7C4F4E8DBAA331B1B94B3E5C3 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2724
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:264
    • C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-h678f0-relay.screenconnect.com&p=443&s=bf09af89-3c2b-411f-b2dd-42753ef4990d&k=BgIAAACkAABSU0ExAAgAAAEAAQBt2EZdNTM1uscH4sTdPqQEOgxwv5ixTDICXSU6bu77K%2bL%2bcAebujYTmvMTx78leNpMOXSr4rujXETfI5xVuU0tire73qweyRPf1daeIEF7zZscbFucV7lLPB24jkJ62mzMncIocK3jFI8ly79ZnXBdbSoUUrRvUBMnXEzpaO44We8z4A%2bUhQvggAjzD6%2bXeXIUzCNXfXnXbNfyC5aWjWjSi4QS7Bfs5Xn6p9kJg%2fVi94y40rEis1xFj31Gnk8%2fob8OJa%2f5nabij0U5Hgxc%2biCLS50cjz2xyQ59kPzLmuEZiOi0SoOysdAg7mGL27MlGRf%2fbSnrv68r5iT1RZiu78G2&c=aubrey&c=&c=&c=&c=&c=&c=&c="
      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:2416
      • C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.WindowsClient.exe" "RunRole" "923c881c-c10e-45ae-8fef-e249e1a17a56" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5488
      • C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.WindowsClient.exe" "RunRole" "a919a648-689a-44ac-ad0d-617602aac1fc" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5344

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5912e3.rbs

          • Path C:\Config.Msi\e5912e3.rbs
          • Size 214KB
          • SHA256 737fd0ea7bc789606999ccfd4f1df3a588f80f1a8066ec458f6a88ea0e3f0f62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (7fae5b2bdfcc0a98)\system.config
          • Size 962B
          • SHA256 37e1632e1b3cb4140bb693d31d6a176fd6d02ab04bd1af59b3322c8cc36803df
          • MD5 SHA1 SHA512 TLSH

          MSIBCE2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC03F.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC03F.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\7fae5b2bdfcc0a98\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 e6da85a766d6f34943014daf69e5af80cfeefe20e36f92e614f3fbacfb10b67c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI19B9.tmp

          • Path C:\Windows\Installer\MSI19B9.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          n0xep4qn.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7fae5b2bdfcc0a98)\n0xep4qn.newcfg
          • Size 882B
          • SHA256 e6b1408c2231aaea4e21d76cebbe93c9fb4fb200218fcd4b93128feb7a1a77e6
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7fae5b2bdfcc0a98)\user.config
          • Size 683B
          • SHA256 209f0543471828e434a0b58bbf2314f7a63a3fa4b60f03a8feab94ed5215c20d
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7fae5b2bdfcc0a98)\user.config
          • Size 520B
          • SHA256 2cfe0eacf0f7f28e9dd94755eecc281865ecc1855306a5623aff34cf084a2a01
          • MD5 SHA1 SHA512 TLSH

          memory/2416-177-0x00000000043C0000-0x0000000004410000-memory.dmp

          memory/2416-194-0x0000000004410000-0x000000000447C000-memory.dmp

          memory/2416-195-0x0000000004520000-0x00000000045B2000-memory.dmp

          memory/2416-160-0x0000000003F70000-0x0000000004004000-memory.dmp

          memory/2416-154-0x0000000003EB0000-0x0000000003ECA000-memory.dmp

          memory/2416-197-0x00000000041C0000-0x0000000004201000-memory.dmp

          memory/2416-164-0x0000000004210000-0x00000000043C0000-memory.dmp

          memory/2416-199-0x0000000004710000-0x00000000047E6000-memory.dmp

          memory/3604-77-0x0000000005780000-0x00000000057A8000-memory.dmp

          memory/5468-6-0x0000000006350000-0x0000000006500000-memory.dmp

          memory/5468-3-0x0000000006200000-0x0000000006294000-memory.dmp

          memory/5468-1-0x0000000003B80000-0x0000000003B88000-memory.dmp

          memory/5468-7-0x0000000074A60000-0x000000007521C000-memory.dmp

          memory/5468-2-0x0000000003BB0000-0x0000000003BBC000-memory.dmp

          memory/5468-8-0x0000000006AC0000-0x000000000707A000-memory.dmp

          memory/5468-0-0x0000000074A72000-0x0000000074A73000-memory.dmp

          memory/5468-9-0x0000000074A60000-0x000000007521C000-memory.dmp

          memory/5468-11-0x0000000074A60000-0x000000007521C000-memory.dmp

          memory/5468-5-0x0000000074A60000-0x000000007521C000-memory.dmp

          memory/5468-4-0x0000000003D10000-0x0000000003D38000-memory.dmp

          memory/5468-13-0x0000000074A60000-0x000000007521C000-memory.dmp

          memory/5488-218-0x0000000000850000-0x00000000008FC000-memory.dmp

          memory/5488-219-0x0000000002A10000-0x0000000002A7C000-memory.dmp

          memory/5488-220-0x0000000002C00000-0x0000000002C94000-memory.dmp

          memory/5488-221-0x000000001BCE0000-0x000000001BE90000-memory.dmp

          memory/5488-222-0x0000000001180000-0x000000000119A000-memory.dmp

          memory/5488-223-0x000000001BE90000-0x000000001C018000-memory.dmp

          memory/5924-35-0x0000000003950000-0x000000000397E000-memory.dmp

          memory/5924-43-0x0000000005A80000-0x0000000005B14000-memory.dmp

          memory/5924-39-0x0000000003940000-0x000000000394C000-memory.dmp

          memory/5924-47-0x0000000005CD0000-0x0000000005E80000-memory.dmp