Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 12:19

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 14.3MB
  • Sample260706-phmmxae131
  • SHA256 0effe62d201498072705f1ad56f13bd1ba642380ea131b9ea83a6235b0ddc461
  • 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
  • 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 17 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:5424
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\bbe1694f4393c6ac\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:5532
  • 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:4048
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6859E178C76409E4EC073A7775261D97 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:712
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI745B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240743906 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2516
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7B13.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240745359 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4052
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI81BB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240747234 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3672
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3424
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding BA1C7C7F813610EFC030EA10ED87C51C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5816
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7FB81356A58BB70AE533EA6070503405 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2844
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3404
    • C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-icc2hi-relay.screenconnect.com&p=443&s=0dcf3799-83d5-47a6-adbf-886c925f6c49&k=BgIAAACkAABSU0ExAAgAAAEAAQAJDHZEg9jJtP%2blIpaQISytmZmxxmoVuKc1RtQqN9vu8pNmmG5FPpQr9egqkNxSBdh2%2fjgoPgUTIf0eKv2BA7BrIm3ZCzOMAHNPAkUAB%2fsVBJoEwcH2Zyi9NEAlWR3w7EZ9lPukCbtRZAG92dkn6UBMRiAJFutTM%2ffL7iRM9gnjAPvTr8C74JtNZ8ylNtyRVbb9rQYGvIO4hxwO5hIAPJrnJ2IKZM5QFsCCk%2frqNjID6KLercUmB0w6xfERMEHiy5Nuhjb8tv3CbKxjafzp1IeCrPplo5HkJSvIH%2fqVcy%2fAvGKzp2BIQS9HkNncoguoRwfSc8bHJtrmWkCswtLAdIuz&c=Newpark%20Drilling%20Fluids&c=Thailand&c=&c=&c=&c=&c=&c="
      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:5492
      • C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe" "RunRole" "6f67e548-e804-477d-a6a2-96b35ab98906" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5932
      • C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe" "RunRole" "14032694-1d3b-4299-9a97-5b26d9aa6446" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4296

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59cd0b.rbs

          • Path C:\Config.Msi\e59cd0b.rbs
          • Size 214KB
          • SHA256 f2cc3f40ca029ec3ba475af221b10fbc0ddace6490d8f1b239c1374a4c4ff766
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\app.config
          • Size 370B
          • SHA256 78d10a23cfb3fa11aee073c7f9ee5dad6af4fa792fb3ade9ea7e988fa2afbdb4
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\system.config
          • Size 958B
          • SHA256 9429bf581e29a7110ca710e01e36382ccede5020ffa96b2d52777207ed373ade
          • MD5 SHA1 SHA512 TLSH

          MSI745B.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI745B.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI745B.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI745B.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI745B.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI745B.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7B13.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7B13.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\bbe1694f4393c6ac\ScreenConnect.ClientSetup.msi
          • Size 11.8MB
          • SHA256 72d0b2d72179c90c2f6fa499e7d7c204c9f6ab77b914735c90b3d449482f9417
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSID24B.tmp

          • Path C:\Windows\Installer\MSID24B.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          n3r1p0gr.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bbe1694f4393c6ac)\n3r1p0gr.newcfg
          • Size 882B
          • SHA256 f834ecedeb513878dd95a9eb6f21f116e511a8467add3c0770979fb97957f1af
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bbe1694f4393c6ac)\user.config
          • Size 520B
          • SHA256 98cb1c3cf9d4fb2f266714913b93abb9da7dff05b068cf6565e10a07935817bf
          • MD5 SHA1 SHA512 TLSH

          zut3lu52.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bbe1694f4393c6ac)\zut3lu52.newcfg
          • Size 683B
          • SHA256 947c6efca9d31e5d1f88d21180e730851d2cfe8c99148a2db4a21a9b5d2c65b0
          • MD5 SHA1 SHA512 TLSH

          memory/2516-47-0x00000000059D0000-0x0000000005B80000-memory.dmp

          memory/2516-43-0x0000000005780000-0x0000000005814000-memory.dmp

          memory/2516-39-0x00000000056D0000-0x00000000056DC000-memory.dmp

          memory/2516-35-0x00000000056A0000-0x00000000056CE000-memory.dmp

          memory/4052-77-0x0000000005210000-0x0000000005238000-memory.dmp

          memory/5424-1-0x0000000001FD0000-0x0000000001FD8000-memory.dmp

          memory/5424-5-0x0000000003B50000-0x0000000003B78000-memory.dmp

          memory/5424-8-0x00000000067A0000-0x0000000006D5A000-memory.dmp

          memory/5424-6-0x0000000006030000-0x00000000061E0000-memory.dmp

          memory/5424-4-0x0000000005EF0000-0x0000000005F84000-memory.dmp

          memory/5424-10-0x0000000074C20000-0x00000000753DC000-memory.dmp

          memory/5424-0-0x0000000074C32000-0x0000000074C33000-memory.dmp

          memory/5424-11-0x0000000074C20000-0x00000000753DC000-memory.dmp

          memory/5424-3-0x0000000074C20000-0x00000000753DC000-memory.dmp

          memory/5424-13-0x0000000074C20000-0x00000000753DC000-memory.dmp

          memory/5424-7-0x0000000074C20000-0x00000000753DC000-memory.dmp

          memory/5424-2-0x0000000002040000-0x000000000204C000-memory.dmp

          memory/5492-203-0x0000000004C00000-0x0000000004CD6000-memory.dmp

          memory/5492-161-0x0000000004490000-0x0000000004524000-memory.dmp

          memory/5492-165-0x00000000046E0000-0x0000000004890000-memory.dmp

          memory/5492-201-0x0000000004680000-0x00000000046C1000-memory.dmp

          memory/5492-198-0x0000000004900000-0x000000000496C000-memory.dmp

          memory/5492-155-0x00000000043C0000-0x00000000043DA000-memory.dmp

          memory/5492-179-0x0000000004630000-0x0000000004680000-memory.dmp

          memory/5492-199-0x0000000004A10000-0x0000000004AA2000-memory.dmp

          memory/5932-223-0x000000001B230000-0x000000001B2C4000-memory.dmp

          memory/5932-221-0x00000000001B0000-0x000000000025E000-memory.dmp

          memory/5932-224-0x000000001B580000-0x000000001B730000-memory.dmp

          memory/5932-222-0x00000000024E0000-0x000000000254C000-memory.dmp

          memory/5932-225-0x0000000000BE0000-0x0000000000BFA000-memory.dmp

          memory/5932-226-0x000000001B730000-0x000000001B8B8000-memory.dmp