Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/08/2026, 11:19

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260811-nfapwsdk2x
  • SHA256 0830a7330c3b6fbf799ff5481048f6784342b16e456b2ac8c0fb645baa00fea6
  • 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.

  • 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 20 IoCs
  • Suspicious use of SendNotifyMessage 18 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:2448
  • 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:2660
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 85526271DB7E1FCD49A9992027ECE9A4 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1308
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3781.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240728250 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5628
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3EF4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240730015 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4572
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4668.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240731921 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5532
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3532
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 011086DE18775998DC8413CE38F3AC51
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3168
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A7F8CCE2E0A322023F746F4E410A013A E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4044
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4084
    • C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-t2328q-relay.screenconnect.com&p=443&s=1543a292-7740-41f4-9c84-e4b0843486c7&k=BgIAAACkAABSU0ExAAgAAAEAAQBdx53EpZnyKEVlhWKG8TTmmPFgkzbSYr0DC5WD3OWb%2fQsaBClgWoWdv%2fCu6PLWDC8WQAQfMpyzCNvvqaqDYJw3RXEP4X6nIqxCtD1HKvzjRzNejnlgPJOZb5Nw10wfsN21ADjmvXKoy01QH2vuQA2r2Y0JPIpNiRASjkHYI1MBVud0D0YP%2bzBlV5IqcgaVAmSHqBp1x1DWzSfwqGMNOIMXxdYc32QQ9VF5SKY3vMrg5%2fn7KZRclkVHjVmsnsMAOHU%2b1aX6YJ4CW5CxM%2bL7dhCDvsEyKgl%2fBlvEnU4yTuYGl6AQIG6bCuElPsLBvq%2fg1o6L6qBjJ%2bT7BsLscIwIiHbh"
      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:3876
      • C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.WindowsClient.exe" "RunRole" "a0e0e877-3979-4c87-8113-fe398a3eeb08" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4368

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5999c6.rbs

          • Path C:\Config.Msi\e5999c6.rbs
          • Size 214KB
          • SHA256 890146f57dc47d1454badb64f4ae272229feaa69c073bbcdac0a892cbed69309
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (7a8133cb7e780255)\system.config
          • Size 962B
          • SHA256 5a11ccfad175f588fb09a095aadd64a75b6a1c50d4f641e260fbefbfbfa5eca3
          • MD5 SHA1 SHA512 TLSH

          MSI3781.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3781.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3781.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3781.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3781.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3781.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3EF4.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3EF4.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIA010.tmp

          • Path C:\Windows\Installer\MSIA010.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5999c5.msi

          • Path C:\Windows\Installer\e5999c5.msi
          • Size 9.8MB
          • SHA256 0830a7330c3b6fbf799ff5481048f6784342b16e456b2ac8c0fb645baa00fea6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          c3al0kwq.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\c3al0kwq.newcfg
          • Size 884B
          • SHA256 5af0270204ad93978f1768f4341e7363d086c511897a19c8dbe18c1705420f7b
          • MD5 SHA1 SHA512 TLSH

          frmo5ray.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\frmo5ray.newcfg
          • Size 884B
          • SHA256 c6dd5b2e3e8fda6cfa8213a3bd1264290125596490b4e9419f4e318a4c5218c0
          • MD5 SHA1 SHA512 TLSH

          l0qrbqke.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\l0qrbqke.newcfg
          • Size 884B
          • SHA256 07a8dbfdc7a30c06da4301137f350cf5e6b5f1404241f53980b381268fa7cdf7
          • MD5 SHA1 SHA512 TLSH

          qjxql4yh.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\qjxql4yh.newcfg
          • Size 884B
          • SHA256 e558498a40b7f233d7ad10da804132d68e0325a14d2bc020fc6d86f794b0a7c5
          • MD5 SHA1 SHA512 TLSH

          trunymgf.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\trunymgf.newcfg
          • Size 884B
          • SHA256 dbd24964db5dff4dce77e163a39400c6d729deca31e84242a376955057174efc
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\user.config
          • Size 520B
          • SHA256 b90b7c4c8e2cd3f42ab83b6b5ba325fb3b81cd13727fb117f822f014f6e959ae
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\user.config
          • Size 683B
          • SHA256 f1de930b5ddcfbfae7d526bbf4a6fe4ba3720a57847b6b7b1e8d9eae5ca65139
          • MD5 SHA1 SHA512 TLSH

          xpvfuyve.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\xpvfuyve.newcfg
          • Size 884B
          • SHA256 e8816cf712412b37c1de73bea0014b7041b4f995372a29f6e769da4bf3e0a263
          • MD5 SHA1 SHA512 TLSH

          xujgwgkb.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7a8133cb7e780255)\xujgwgkb.newcfg
          • Size 884B
          • SHA256 d8de2a2e3237ef83241aafaf1cefa509cd7a55108890a652608d7eb1ad770d1b
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 1770bbfc11fdaa9c5a757b565da890f3ce0dcc520c50b949e020d3fd7b099173
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {577b1ec9-05a7-4a0c-93bc-3b82b08d01b9}_OnDiskSnapshotProp

          • Path \??\Volume{c61f8367-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{577b1ec9-05a7-4a0c-93bc-3b82b08d01b9}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 fcb95dfc4c7af7f259e0fc3bd29f058485e11df96186d422fc89fcf20862331d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3876-147-0x0000000004760000-0x00000000047F4000-memory.dmp

          memory/3876-151-0x0000000004A70000-0x0000000004C20000-memory.dmp

          memory/3876-182-0x0000000004C90000-0x0000000004D22000-memory.dmp

          memory/3876-141-0x00000000021E0000-0x00000000021FA000-memory.dmp

          memory/3876-153-0x0000000004850000-0x00000000048A0000-memory.dmp

          memory/3876-180-0x0000000004C20000-0x0000000004C8C000-memory.dmp

          memory/3876-184-0x00000000049C0000-0x0000000004A01000-memory.dmp

          memory/3876-186-0x0000000004E80000-0x0000000004F56000-memory.dmp

          memory/4368-208-0x000000001BDD0000-0x000000001BF80000-memory.dmp

          memory/4368-206-0x000000001BB80000-0x000000001BC14000-memory.dmp

          memory/4368-209-0x0000000002C60000-0x0000000002C7A000-memory.dmp

          memory/4368-210-0x000000001C110000-0x000000001C298000-memory.dmp

          memory/4368-204-0x0000000000980000-0x0000000000A2E000-memory.dmp

          memory/4368-205-0x000000001B770000-0x000000001B7DC000-memory.dmp

          memory/4572-64-0x00000000051B0000-0x00000000051D8000-memory.dmp

          memory/5628-34-0x0000000006990000-0x0000000006F4A000-memory.dmp

          memory/5628-33-0x0000000006220000-0x00000000063D0000-memory.dmp

          memory/5628-29-0x0000000005FD0000-0x0000000006064000-memory.dmp

          memory/5628-25-0x0000000003EC0000-0x0000000003ECC000-memory.dmp

          memory/5628-21-0x0000000003EE0000-0x0000000003F0E000-memory.dmp