Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 23:07

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 11.8MB
  • Sample261102-24ekmsdx41
  • SHA256 25a24666672b70ca092057f301a4fd3aaaac4fa597de1144f601b8e471aae867
  • 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
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • 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 32 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 9 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:4324
  • 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:944
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E1F5BF08834EDC74BE10696567FDBEA6 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3356
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1505.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719375 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1216
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI191D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240720187 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:2936
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1F29.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240721734 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2724
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1560
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding FED17445F6F0D501D0373C3C761B1438
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4920
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3612E35FB563909223DA39B9B9DAAC9D E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4496
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4176
    • C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-f0ixal-relay.screenconnect.com&p=443&s=8ed8c998-9921-40a8-97a0-2ebfe08112b7&k=BgIAAACkAABSU0ExAAgAAAEAAQCNqysSFQY4nJGSdJP37Wb4VEFBjiuFoCr1mDSaQdNp1isqpBKSgOQme%2buXsnxElm2mRm3lT65mkqrTjCt5RCzyboql2n%2f%2fuafJqxr751iJMcU%2bn9gwZsGR%2fISDp6oif6ePoS4U2XcyKgGnxc5MYPkILKGjBHnrAJ5j4f0YFuiyAUKS3sVMPIeR0xnDPuhb%2ffNoXnygqzFOX0Nj5DlbPXkktE2be83OchqBU5riEUrl4PE60NbSKeAq1qvqbV5ltkSfg3vbJGDdf1jRQVXhBbP%2bXtgZi7y3WC6Fal2z5ypa4ixHao%2fKIV443tKJO%2b0MrpT4swbT91WnGRKfOKNYV5Ou&c=rise%20support%20team%20a&c=New%20York&c=GAD's%20team&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe" "RunRole" "daecc3d3-93cb-4b82-b0b5-67742b04de3c" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:6040
      • C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe" "RunRole" "c3fc7eb1-b9be-4829-baa0-f6377ed424df" "System"
        2⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4364

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e596912.rbs

          • Path C:\Config.Msi\e596912.rbs
          • Size 213KB
          • SHA256 5766896104aa0d4f6086b1447c3cfc71098474ba11a6543f779516f2b357b681
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\Client.en-US.resources
          • Size 65KB
          • SHA256 bd8901dd3666277f6d7aa1f4118ad53f5d4229c5d9f67f94e635bf2add3731dd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.Client.dll
          • Size 413KB
          • SHA256 be1e3522a20c244b3e20b4f7bc2fc736b6103c930d6cf8366e0bb97cb82d5241
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 67f75a75bc19288cac0071e19e7af4463f2ecf4bb75fe13af80a4f0f57144253
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 bc19602c59b0ba4a7a99f791c87298df76d8d62f86a928e112dca285a88a5a77
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.Core.dll
          • Size 583KB
          • SHA256 91ae86fd5439c7d8a54b75cbb60c2ff9bdff84657b962d340d48cdf656c4928d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 9ddaf17f7f802e58c645d42184e0ac33dc755a885bc3637a7d837a4f6ae5fdea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe
          • Size 689KB
          • SHA256 24671116eab5a97c5d15c4d7b434adff9ad2119db9b487490f4b251f28167069
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\app.config
          • Size 1KB
          • SHA256 10950a9e8edde26cd69de809f2378df8779aef697a3ef3b363ae01f4164c4458
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\system.config
          • Size 962B
          • SHA256 30aed6161ced637ce89b1d3a4020c1166886423f7e3186ad1128a51a18be30f3
          • MD5 SHA1 SHA512 TLSH

          MSI1505.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1505.tmp
          • Size 1.1MB
          • SHA256 d39e53d74c6840d331b91b9c949db26f7c93a824e9fb104c532346a8c465b6e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1505.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1505.tmp-\ScreenConnect.Core.dll
          • Size 573KB
          • SHA256 399ab0c1bcf2bf0c7618066d676b6958c2a5f4fed2d8f769f0eeea5492720e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1505.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 f35f007dcb154d0346745309630b8cc21fe49638e76dc8dd77a3c62cb0aa754a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1505.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 4c281797c351fed77890634006a51bc3a6c60efa4c831fe21934353f304cdf61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI191D.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI191D.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7fcba418fd772a38e420238d49e8301f23caf47eadcef400ecab8738813d9694
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6EBF.tmp

          • Path C:\Windows\Installer\MSI6EBF.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e596913.msi

          • Path C:\Windows\Installer\e596913.msi
          • Size 11.8MB
          • SHA256 25a24666672b70ca092057f301a4fd3aaaac4fa597de1144f601b8e471aae867
          • MD5 SHA1 SHA512 SSDEEP TLSH

          gty5tdcz.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (74b714285de03b12)\gty5tdcz.newcfg
          • Size 683B
          • SHA256 e310a71bf6a8b3ebecf13ea61b97652adb98d5aca0d90147c66e5aacba2d2a54
          • MD5 SHA1 SHA512 TLSH

          m3tu3r5s.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (74b714285de03b12)\m3tu3r5s.newcfg
          • Size 884B
          • SHA256 9789b3214bd8bf4a579aa37f26f55c0bb4df1bce425ad04e6876731d1a6b2fe1
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (74b714285de03b12)\user.config
          • Size 520B
          • SHA256 bde9ab7127c42270d58468e7fcd1cb0dc80e6eba0bf8aa12edf38eced5156ec5
          • MD5 SHA1 SHA512 TLSH

          {2e6b6c42-ac29-4e1e-a743-7d2d44524451}_OnDiskSnapshotProp

          • Path \??\Volume{f0fdc120-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{2e6b6c42-ac29-4e1e-a743-7d2d44524451}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 fac3562a05016f9fba4b28ca39c39fab3045e670e5b7417f40f429f467690bd4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/944-110-0x0000024165B90000-0x0000024165DBD000-memory.dmp

          memory/944-245-0x0000024165B90000-0x0000024165DBD000-memory.dmp

          memory/944-228-0x0000024165B90000-0x0000024165DBD000-memory.dmp

          memory/944-218-0x0000024165B90000-0x0000024165DBD000-memory.dmp

          memory/944-105-0x0000024165B90000-0x0000024165DBD000-memory.dmp

          memory/1216-34-0x0000000006390000-0x000000000694A000-memory.dmp

          memory/1216-21-0x0000000005900000-0x000000000592E000-memory.dmp

          memory/1216-25-0x00000000058F0000-0x00000000058FC000-memory.dmp

          memory/1216-29-0x00000000059D0000-0x0000000005A66000-memory.dmp

          memory/1216-33-0x0000000005C20000-0x0000000005DD0000-memory.dmp

          memory/1560-219-0x00000185AB4B0000-0x00000185AB6DD000-memory.dmp

          memory/1968-175-0x0000000004870000-0x00000000048DC000-memory.dmp

          memory/1968-156-0x00000000047B0000-0x0000000004800000-memory.dmp

          memory/1968-176-0x0000000004980000-0x0000000004A12000-memory.dmp

          memory/1968-153-0x0000000004600000-0x00000000047B0000-memory.dmp

          memory/1968-149-0x00000000043B0000-0x0000000004446000-memory.dmp

          memory/1968-143-0x0000000001CE0000-0x0000000001CFA000-memory.dmp

          memory/1968-178-0x0000000004800000-0x0000000004841000-memory.dmp

          memory/2936-64-0x0000000006120000-0x0000000006148000-memory.dmp

          memory/4176-106-0x000001E927CD0000-0x000001E927EFD000-memory.dmp

          memory/4176-246-0x000001E927CD0000-0x000001E927EFD000-memory.dmp

          memory/4176-133-0x000001E927CD0000-0x000001E927EFD000-memory.dmp

          memory/4364-217-0x00000000027E0000-0x0000000002821000-memory.dmp

          memory/6040-207-0x0000000000180000-0x0000000000230000-memory.dmp

          memory/6040-215-0x0000000000AD0000-0x0000000000B11000-memory.dmp

          memory/6040-214-0x000000001B790000-0x000000001B918000-memory.dmp

          memory/6040-213-0x0000000000AB0000-0x0000000000ACA000-memory.dmp

          memory/6040-212-0x000000001B450000-0x000000001B600000-memory.dmp

          memory/6040-211-0x000000001AFC0000-0x000000001B056000-memory.dmp

          memory/6040-210-0x0000000002660000-0x00000000026CC000-memory.dmp