Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 18:18

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260808-wxzpcasepd
  • SHA256 2f093f8d688bec29b1944ece953d4b60c428388152ddf12d973343750db93aa3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 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.

  • 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 2 IoCs
  • Loads dropped DLL 42 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 27 IoCs
  • Drops file in Program Files directory 16 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 7 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 19 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 8 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⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2844
  • 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:3224
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E27A8A51454A8C140EB232B26695E7F2 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4076
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3F9F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240730265 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4092
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4444.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240731218 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2616
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4907.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240732468 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4640
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2768
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9264EBE401E888B1E8EE2F8463324978
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:412
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D03C037C58B0DB1A65EEDB18420D0ED0 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5456
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2796
    • C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-npzopg-relay.screenconnect.com&p=443&s=70807609-82ba-4f2c-96ef-94d26b28346c&k=BgIAAACkAABSU0ExAAgAAAEAAQDNcQPlS48J9HhrvjksnhekUV2tG5A1XWA5qpniQEHu0T0z3Jnee6IFA5QlW3PNEWVgEBL9ViR%2fHhTqn7abmLQxHwXkTT9zrA9NuxWWRQtsY8%2f1uyAjHkQD42zGTBfLMY%2bLnK%2flaKpKS4%2fBQNYABksimXIJD%2bkeMPCyVQleyMBGbqjmwIHKIO1rX5G3gYpZkFbQGgiDz27WdE9mbrIOXzAnW1v%2bIDvx%2fSnJGoFGk%2b6C1W05cu49MlkNy9nLqd0EVEYZJ6gIunZMTNvC28rf7bE2Sutij6oXqNgVKvtkSnJl6CPgv0pTrEf9HQET6zS2SSLHFZTEJRBsndMlZiGOGzyu&c=Exi&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:3840
      • C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.WindowsClient.exe" "RunRole" "3e19ced1-a405-42bd-b4d5-58f6347da843" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1624

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59a7d0.rbs

          • Path C:\Config.Msi\e59a7d0.rbs
          • Size 214KB
          • SHA256 3cf0071916b2c425391e47a583735c6262fa4fadd91cabb2b88c28a2b9c10db1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1a484a5963ba8f62)\system.config
          • Size 962B
          • SHA256 c1ebbca4fe8e0413e2f6e4677a2aaa11276827d57e1f9c5bebde8928f6d5bd27
          • MD5 SHA1 SHA512 TLSH

          MSI3F9F.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3F9F.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3F9F.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3F9F.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3F9F.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3F9F.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4444.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4444.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIAE68.tmp

          • Path C:\Windows\Installer\MSIAE68.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59a7cf.msi

          • Path C:\Windows\Installer\e59a7cf.msi
          • Size 9.8MB
          • SHA256 2f093f8d688bec29b1944ece953d4b60c428388152ddf12d973343750db93aa3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          0r4spot3.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\0r4spot3.newcfg
          • Size 882B
          • SHA256 e6938c96b83b4c30ae1cd960f9b936fb5959343844b5907a8dfc71280ec541eb
          • MD5 SHA1 SHA512 TLSH

          au3wgyxz.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\au3wgyxz.newcfg
          • Size 882B
          • SHA256 89a67f34a6cedac3c4d08995aaf21575c40be75d431e6a85ec4a7416e7863d09
          • MD5 SHA1 SHA512 TLSH

          fysva1nl.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\fysva1nl.newcfg
          • Size 882B
          • SHA256 c2f0ba1f8b6d683a3e4c2e313593c0f04bb35252aaf79b8f6fc0d71087e431a5
          • MD5 SHA1 SHA512 TLSH

          ojpsv3wy.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\ojpsv3wy.newcfg
          • Size 882B
          • SHA256 fc479bf32ae77ed8f2eb026e16d3ceeaebd966d356ee7d7e8f30a03336fa81d6
          • MD5 SHA1 SHA512 TLSH

          qldsux1w.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\qldsux1w.newcfg
          • Size 882B
          • SHA256 62341f1e144a810f7282695d8721143ced1a25931c3d82c0f09c7ce653777658
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\user.config
          • Size 520B
          • SHA256 6b1be1925c15997b13118673c7976030053ff8fb31332066fdb8a81ddc477c3a
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\user.config
          • Size 683B
          • SHA256 8310cd56de127f7b3d9ac635377011cc8ad82f4fed9c2ae9c4fe268b802eb0fb
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\user.config
          • Size 882B
          • SHA256 d3f697c4ade74c0a280236dc07b18bec5836d3c094305d9e5c81f472e4bb5b9a
          • MD5 SHA1 SHA512 TLSH

          y3cywg0x.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1a484a5963ba8f62)\y3cywg0x.newcfg
          • Size 882B
          • SHA256 d562ff8a4bd4aeacdbb14becb1b7221a032bcbe8c2d84011f44c6ea7e17378b1
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 25c4fae034f4b664f2f945a37ae01c506438b5980e46fc01acd762a13dbdd24c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {ae159870-cad5-4ef4-85f9-0615c735e7f5}_OnDiskSnapshotProp

          • Path \??\Volume{c4eee659-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{ae159870-cad5-4ef4-85f9-0615c735e7f5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 f97f841d7d7b4dff136f2fc65bc9d30c402b7d1cda9c9678f1ed571cbe46a11b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1624-209-0x000000001C0D0000-0x000000001C280000-memory.dmp

          memory/1624-211-0x000000001C480000-0x000000001C608000-memory.dmp

          memory/1624-205-0x0000000000D60000-0x0000000000E0E000-memory.dmp

          memory/1624-210-0x0000000003050000-0x000000000306A000-memory.dmp

          memory/1624-207-0x00000000031F0000-0x000000000325C000-memory.dmp

          memory/1624-208-0x000000001BD80000-0x000000001BE14000-memory.dmp

          memory/2616-62-0x0000000005C00000-0x0000000005C28000-memory.dmp

          memory/3224-148-0x000001FA81770000-0x000001FA82114000-memory.dmp

          memory/3840-182-0x0000000004660000-0x00000000046CC000-memory.dmp

          memory/3840-183-0x0000000004930000-0x00000000049C2000-memory.dmp

          memory/3840-187-0x0000000004B20000-0x0000000004BF6000-memory.dmp

          memory/3840-185-0x00000000045F0000-0x0000000004631000-memory.dmp

          memory/3840-152-0x00000000046E0000-0x0000000004890000-memory.dmp

          memory/3840-165-0x00000000045A0000-0x00000000045F0000-memory.dmp

          memory/3840-141-0x00000000043A0000-0x00000000043BA000-memory.dmp

          memory/3840-147-0x0000000004460000-0x00000000044F4000-memory.dmp

          memory/4092-19-0x0000000003360000-0x000000000338E000-memory.dmp

          memory/4092-23-0x00000000033A0000-0x00000000033AC000-memory.dmp

          memory/4092-27-0x0000000005490000-0x0000000005524000-memory.dmp

          memory/4092-31-0x0000000005750000-0x0000000005900000-memory.dmp

          memory/4092-32-0x0000000005EC0000-0x000000000647A000-memory.dmp