Analysis

  • max time kernel
    150s
  • 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
    28/07/2026, 00:23

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260728-apylesgn9w
  • SHA256 e00c964a077e35a5a9b1395eb9f31bcc9f9991b2e021d65949ce490ca252b25a
  • 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:4820
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\312cd8afb7f86cdc\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:3732
  • 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:1664
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 92B2B08102D261979FABB70DA1371374 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3316
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI931E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240751531 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1828
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI962C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240752203 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:940
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9BCB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240753656 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6072
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3676
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A88A4EE69A4CCFCCDA1B8034A49674F8
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2700
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 195B02A7FD0F5EE9476F57572F40D2EB E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1220
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1928
    • C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-bk9l79-relay.screenconnect.com&p=443&s=547f27df-ca32-4102-aa23-68d8a1e5e37a&k=BgIAAACkAABSU0ExAAgAAAEAAQA9a7AXGnpPI2WskYancC1iJhsGlXah%2f01Ng2fxbyKoiAA%2fLrsSukQWJkFC%2fysB7K0J8dqEvYlk8rk9pn%2bjR4%2f%2fWDkYPNudxVKVRlQZ%2bvbz2Qq8Jn84kj2Jd68y%2f9QAjcrAJA%2fmZLkbY%2fLsj9eDE9DNjhE2ZR4XrfgQqv1XamOx5yZ9TSApChNKb2PsPVwuikBlZ74iC1MsACdvsf8eeGQ5nTDAvKCENXp4kut8rjmBLg9VfaoWcNw2i2MAxqnhZTItqhLZed11OnoklW2HRCbscBnwiEpNYhP65Ci7N1HLH0rMQCBiM8XM4QrCiXcIrV7DlSFsq4ySpcufnRUMcWO1"
      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:3500
      • C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.WindowsClient.exe" "RunRole" "adfcc3a0-0502-44ef-9eaf-857f996f6761" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2096
      • C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.WindowsClient.exe" "RunRole" "3217cbbe-d3b8-40db-941e-a73ecb5d2544" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4276

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a063c.rbs

          • Path C:\Config.Msi\e5a063c.rbs
          • Size 214KB
          • SHA256 c58f4a9faae3e796547d1fa1bcaac7499e114160cd57a84f0d699c7a0f8e7970
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (312cd8afb7f86cdc)\system.config
          • Size 964B
          • SHA256 356d8cdf3ccb0241184e1fd15370654dfd85f91055fade3b4e196380ffba4fa4
          • MD5 SHA1 SHA512 TLSH

          MSI931E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI931E.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI931E.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI931E.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI931E.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI931E.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI962C.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI962C.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\312cd8afb7f86cdc\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 d1bfe7b5085a0f9813eba67bc2724da59c078854897ea773abbd12055fec025c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIEF6.tmp

          • Path C:\Windows\Installer\MSIEF6.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dt3m2mqk.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (312cd8afb7f86cdc)\dt3m2mqk.newcfg
          • Size 683B
          • SHA256 69588d970314df9a9e04d9c4571416e1428ce5c49fc1c6c22e58dbe8d7c63f99
          • MD5 SHA1 SHA512 TLSH

          psr0caho.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (312cd8afb7f86cdc)\psr0caho.newcfg
          • Size 882B
          • SHA256 eb3594e40738e57530c91ed27c2540c5a00546b74828a2bb68d583dd927f5194
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (312cd8afb7f86cdc)\user.config
          • Size 520B
          • SHA256 d7e07963e872570ca3de1ee1bc1f4a84e00f4928679c13017bc414f80e60f091
          • MD5 SHA1 SHA512 TLSH

          memory/940-75-0x0000000005FF0000-0x0000000006018000-memory.dmp

          memory/1828-41-0x0000000004020000-0x00000000040B4000-memory.dmp

          memory/1828-33-0x0000000003F30000-0x0000000003F5E000-memory.dmp

          memory/1828-37-0x0000000003F70000-0x0000000003F7C000-memory.dmp

          memory/1828-45-0x00000000062A0000-0x0000000006450000-memory.dmp

          memory/2096-222-0x0000000000CA0000-0x0000000000CBA000-memory.dmp

          memory/2096-218-0x00000000024C0000-0x000000000252C000-memory.dmp

          memory/2096-217-0x0000000000250000-0x00000000002FE000-memory.dmp

          memory/2096-219-0x000000001B330000-0x000000001B3C4000-memory.dmp

          memory/2096-221-0x000000001B580000-0x000000001B730000-memory.dmp

          memory/2096-223-0x000000001B8C0000-0x000000001BA48000-memory.dmp

          memory/3500-175-0x0000000003FB0000-0x0000000004000000-memory.dmp

          memory/3500-162-0x0000000004060000-0x0000000004210000-memory.dmp

          memory/3500-152-0x0000000001700000-0x000000000171A000-memory.dmp

          memory/3500-194-0x0000000004280000-0x00000000042EC000-memory.dmp

          memory/3500-195-0x0000000004390000-0x0000000004422000-memory.dmp

          memory/3500-199-0x0000000004580000-0x0000000004656000-memory.dmp

          memory/3500-158-0x0000000003DD0000-0x0000000003E64000-memory.dmp

          memory/3500-197-0x0000000004000000-0x0000000004041000-memory.dmp

          memory/4820-4-0x0000000074CE0000-0x000000007549C000-memory.dmp

          memory/4820-8-0x0000000074CE0000-0x000000007549C000-memory.dmp

          memory/4820-3-0x0000000005720000-0x00000000057B4000-memory.dmp

          memory/4820-2-0x00000000056B0000-0x00000000056BC000-memory.dmp

          memory/4820-9-0x0000000074CE0000-0x000000007549C000-memory.dmp

          memory/4820-1-0x0000000003140000-0x0000000003148000-memory.dmp

          memory/4820-5-0x00000000057F0000-0x0000000005818000-memory.dmp

          memory/4820-11-0x0000000074CE0000-0x000000007549C000-memory.dmp

          memory/4820-6-0x0000000005820000-0x00000000059D0000-memory.dmp

          memory/4820-12-0x0000000074CE0000-0x000000007549C000-memory.dmp

          memory/4820-7-0x0000000005F90000-0x000000000654A000-memory.dmp

          memory/4820-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp