Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 16:14

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260727-tpzy2awgla
  • SHA256 45f79056e9d87dc575c94f42b818ef49884d492d92f4903110507467b8aa31e7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 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:5940
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\a90b4eb7ce9fc4c1\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:3244
  • 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:252
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B9C937A398D571BF39C6062216B71285 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5304
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4339.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240731046 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5448
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4751.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240732031 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4652
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4CFF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240733671 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:820
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3944
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1050722649B40ADF3DF807FC38AEC3C5
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2900
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D8DA76EBC225B689F968FBE67397B946 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1328
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:612
    • C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-b12kcu-relay.screenconnect.com&p=443&s=21b6b327-b58d-43b4-9ac0-ed862ee39d3d&k=BgIAAACkAABSU0ExAAgAAAEAAQDRWaj24izMO58RuLIgES046m3GLADQnC75a6wbwkBcRuvAR%2b9WLBTsk2Sp99Tb9CPuXCraE2OPgW1VCcjKiGMl2HAfgKa1ZWTyAfZeX5RF247nB3JoDe4A0xQKW%2br5nFLrmfJm%2bbbaiv2OdVuSyyWR2Vgn6gBYh%2fDZT1zXRzpYdgz423tXDoc%2b0SzVQz7FdoZzB6AY%2bI5VfYvaD0n%2b4vqIdED%2b5LuQ%2fpY0HY25szbHUGij4V83H9%2fk%2fjW98YHHs6%2ffj%2bvF6YoLPqAQyj61fMSsCjKVsIdlGl9AnYwem%2fAwWEXUNQW7lNthycuCsPCUU4J6deZjZZyQEFFS30ctTfjU"
      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:3484
      • C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.WindowsClient.exe" "RunRole" "f137063f-a022-41a7-ab94-6eb9b97fbf81" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3624
      • C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.WindowsClient.exe" "RunRole" "8e5829d6-ec8f-441e-875f-6cf076f9668c" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1120

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59967b.rbs

          • Path C:\Config.Msi\e59967b.rbs
          • Size 214KB
          • SHA256 ca5cfaaa50f98f5d0038514b3b20007e0a168fb1984b818c27eecd5cfbc707bd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (a90b4eb7ce9fc4c1)\system.config
          • Size 972B
          • SHA256 9fe80b281b45ee692b34942081a386f1b2225ecfcf232bba3b3e9ea570d75892
          • MD5 SHA1 SHA512 TLSH

          MSI4339.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4339.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4339.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4339.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4339.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4339.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4751.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4751.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\a90b4eb7ce9fc4c1\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 f15d4bfda8a78360e301a55665bc33b708318bb9cca78eae890ced3114a6f254
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI9C76.tmp

          • Path C:\Windows\Installer\MSI9C76.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          obifogz2.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (a90b4eb7ce9fc4c1)\obifogz2.newcfg
          • Size 882B
          • SHA256 57418422dd598ef303087663332203e0b132328170ad0358131275349281abf2
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (a90b4eb7ce9fc4c1)\user.config
          • Size 520B
          • SHA256 c76ade458ce521d1e26f4ff9bf33d7b1c5d2d9ca0cede10a4f8fd1fd74218454
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (a90b4eb7ce9fc4c1)\user.config
          • Size 683B
          • SHA256 56f93bf35fde3fabac0afb77ad4b49f06b24fa211164b90eeeb01a1b288aa49b
          • MD5 SHA1 SHA512 TLSH

          memory/1120-224-0x0000000002970000-0x00000000029B1000-memory.dmp

          memory/3484-188-0x0000000004A10000-0x0000000004AE6000-memory.dmp

          memory/3484-164-0x0000000004470000-0x00000000044C0000-memory.dmp

          memory/3484-152-0x0000000004230000-0x000000000424A000-memory.dmp

          memory/3484-162-0x00000000045D0000-0x0000000004780000-memory.dmp

          memory/3484-186-0x0000000004430000-0x0000000004471000-memory.dmp

          memory/3484-184-0x0000000004820000-0x00000000048B2000-memory.dmp

          memory/3484-181-0x0000000004530000-0x000000000459C000-memory.dmp

          memory/3484-158-0x0000000004380000-0x0000000004414000-memory.dmp

          memory/3624-222-0x00000000026B0000-0x00000000026F1000-memory.dmp

          memory/3624-216-0x0000000000390000-0x000000000043C000-memory.dmp

          memory/3624-217-0x000000001B0C0000-0x000000001B12C000-memory.dmp

          memory/3624-221-0x000000001B9C0000-0x000000001BB48000-memory.dmp

          memory/3624-219-0x000000001B680000-0x000000001B830000-memory.dmp

          memory/3624-218-0x000000001B430000-0x000000001B4C4000-memory.dmp

          memory/3624-220-0x0000000002660000-0x000000000267A000-memory.dmp

          memory/4652-75-0x0000000003620000-0x0000000003648000-memory.dmp

          memory/5448-41-0x0000000005420000-0x00000000054B4000-memory.dmp

          memory/5448-45-0x0000000005670000-0x0000000005820000-memory.dmp

          memory/5448-33-0x0000000003320000-0x000000000334E000-memory.dmp

          memory/5448-37-0x0000000003350000-0x000000000335C000-memory.dmp

          memory/5940-4-0x0000000003150000-0x00000000031E4000-memory.dmp

          memory/5940-8-0x0000000005EC0000-0x000000000647A000-memory.dmp

          memory/5940-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

          memory/5940-5-0x0000000005650000-0x0000000005678000-memory.dmp

          memory/5940-7-0x0000000005750000-0x0000000005900000-memory.dmp

          memory/5940-1-0x0000000003070000-0x0000000003078000-memory.dmp

          memory/5940-3-0x0000000074B80000-0x000000007533C000-memory.dmp

          memory/5940-2-0x0000000003090000-0x000000000309C000-memory.dmp

          memory/5940-13-0x0000000074B80000-0x000000007533C000-memory.dmp

          memory/5940-10-0x0000000074B80000-0x000000007533C000-memory.dmp

          memory/5940-6-0x0000000074B80000-0x000000007533C000-memory.dmp

          memory/5940-9-0x0000000074B80000-0x000000007533C000-memory.dmp