Analysis

  • max time kernel
    148s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 18:06

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260720-wp2tqsaw6p
  • SHA256 4d5877c9bf7470f652f1cd72d5a64a18b5af48c52e922f852e32c2d90729230b
  • 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 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:3372
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\61d88d21c995beca\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:2892
  • 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:1668
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AC9057BC86D586470B8BBFF63A1C10D2 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5A0D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240736906 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3984
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5EFF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240738078 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1764
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6598.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739937 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3680
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2524
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 446C44AC40B08EC57FC75881409A365E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4632
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 77AD04B8FB515AAF3A038E47502B67D4 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4380
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2056
    • C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-x4qwe2-relay.screenconnect.com&p=443&s=5666fa59-6059-48f2-ae56-e5a1dd661dfa&k=BgIAAACkAABSU0ExAAgAAAEAAQC5%2fGRaJ%2bmJ3T26vKxADzk0Pbdkay6eonIouMF%2bDr896KuWw7lvTIS8N3ewDvQtCxPfiQ4Aw4zuAfRYMj2o6LGg%2b7KChJgZ5MRF0AaQYu%2b17v2GYgawFmm1ag8wcZN6%2fJvUrHFH0g7fKGYYFIRQ1Arqz9wSFvps45JaA2f8f4sB7LacS6KFBnIChPi5%2baL2yzfiJR%2fuP3CoSIuxHeckPKccPlBWAjB06Aohrr0O0uo9u%2fIB9iudXaaeU0i1y%2fUm59HysSNLr9MiO7nZCvbbwtUg3xvBUJBsQ9i%2b9HP8uAv%2fYZbHerQ8lW3B4FWRmOXE2ejPYu1plPJqwb70Pfbg9GTU"
      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:5980
      • C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.WindowsClient.exe" "RunRole" "638873aa-2d61-430f-81bb-c45e98f8dda1" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4220
      • C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.WindowsClient.exe" "RunRole" "2f3b8be4-ef5d-4188-ad1b-fd96fe3b5953" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4428

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59bf11.rbs

          • Path C:\Config.Msi\e59bf11.rbs
          • Size 214KB
          • SHA256 975fc1cceb3ca29cb264eacaffe541e1cb8f04949027942cc8d7dec3ed51bb5c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (61d88d21c995beca)\system.config
          • Size 968B
          • SHA256 e345110c96b38050cd3533ef507b8ab8c9d1e590929408bbc58c3d71d81713d7
          • MD5 SHA1 SHA512 TLSH

          MSI5A0D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5A0D.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5A0D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5A0D.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5A0D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5A0D.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5EFF.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5EFF.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\61d88d21c995beca\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 300eab1bf8152b7b50c5358a52cbc0888f18001bbd463ebddd1d94fdc01d6787
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIC48F.tmp

          • Path C:\Windows\Installer\MSIC48F.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          hu5morjk.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (61d88d21c995beca)\hu5morjk.newcfg
          • Size 683B
          • SHA256 64c82a543c96a6eee80dba5345a14cb7886c66cc7dd71241219d05021d699282
          • MD5 SHA1 SHA512 TLSH

          lg51l2o4.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (61d88d21c995beca)\lg51l2o4.newcfg
          • Size 882B
          • SHA256 e901aa61cf44037f2060cd9eae8167ed1bfc1b2ee120ea21597867143455d0af
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (61d88d21c995beca)\user.config
          • Size 520B
          • SHA256 be90fdd4c394c86cc777f8d3b60e548298506e615aa8669593864edba34af195
          • MD5 SHA1 SHA512 TLSH

          memory/1764-77-0x0000000005720000-0x0000000005748000-memory.dmp

          memory/3372-7-0x0000000005F20000-0x00000000064DA000-memory.dmp

          memory/3372-2-0x00000000030B0000-0x00000000030BC000-memory.dmp

          memory/3372-1-0x00000000017E0000-0x00000000017E8000-memory.dmp

          memory/3372-10-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/3372-11-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/3372-8-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/3372-3-0x0000000005650000-0x00000000056E4000-memory.dmp

          memory/3372-13-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/3372-5-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/3372-6-0x00000000057B0000-0x0000000005960000-memory.dmp

          memory/3372-0-0x0000000074822000-0x0000000074823000-memory.dmp

          memory/3372-4-0x0000000005700000-0x0000000005728000-memory.dmp

          memory/3984-43-0x00000000060A0000-0x0000000006134000-memory.dmp

          memory/3984-39-0x0000000005FB0000-0x0000000005FBC000-memory.dmp

          memory/3984-47-0x00000000062F0000-0x00000000064A0000-memory.dmp

          memory/3984-35-0x0000000005FD0000-0x0000000005FFE000-memory.dmp

          memory/4220-220-0x0000000000F90000-0x000000000103E000-memory.dmp

          memory/4220-226-0x00000000031C0000-0x0000000003201000-memory.dmp

          memory/4220-225-0x000000001C610000-0x000000001C798000-memory.dmp

          memory/4220-224-0x0000000003160000-0x000000000317A000-memory.dmp

          memory/4220-223-0x000000001C2D0000-0x000000001C480000-memory.dmp

          memory/4220-222-0x000000001C080000-0x000000001C114000-memory.dmp

          memory/4220-221-0x000000001BC20000-0x000000001BC8C000-memory.dmp

          memory/5980-199-0x00000000043C0000-0x0000000004401000-memory.dmp

          memory/5980-154-0x0000000001B60000-0x0000000001B7A000-memory.dmp

          memory/5980-160-0x0000000004210000-0x00000000042A4000-memory.dmp

          memory/5980-164-0x00000000044D0000-0x0000000004680000-memory.dmp

          memory/5980-197-0x0000000004720000-0x00000000047B2000-memory.dmp

          memory/5980-176-0x0000000004370000-0x00000000043C0000-memory.dmp

          memory/5980-201-0x0000000004910000-0x00000000049E6000-memory.dmp

          memory/5980-196-0x0000000004430000-0x000000000449C000-memory.dmp