Analysis

  • max time kernel
    149s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 23:05

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260715-22358afw2m
  • SHA256 73ea2e2f440681d7de2517ced1384a525845cc7eb59f0e8b81326de4c2caf191
  • 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:5492
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\fdf5f85072f581f0\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:5152
  • 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:4064
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5EB2EB371CE3B0CD4CE7EF5C0FEE945B C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8747.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240748593 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4092
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8C3A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240749656 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5496
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI91C8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240751203 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4300
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5564
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9BE386CEEA2B80F1D7D2A99A89FA8D39
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2940
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding DFD65376F9A8FA708C2034FBD4AD834F E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5836
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1656
    • C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-un6zcm-relay.screenconnect.com&p=443&s=fe7be75d-7449-4787-95bd-a9012940628f&k=BgIAAACkAABSU0ExAAgAAAEAAQCtfTwkU2R9WdacJx4jzkDQOr976HCxFBqoePNKp5nAI1mFopz2HD9euJTgkF8HDYy9U8itzXdWiu7mi015kjy%2b698Azajz18%2bCWV%2f7HyMu%2bcPwi6mK5j%2bl26nZq4ofYJHZOE4qgXbwbjU%2fFddPTYpE%2btgAepR19BZj6GVlQ15%2fni49itAIM9txqPrCw3MfSJxKt8t9hBfrJPewvNjJB3C48NVDEn04kEEulyr8KlGGf2keJw2AjXjgHrzkAHt4XDTlKSa6V7ja3wPjDqZvscWq8mCs7x7N2oEITYt9oeoVeDX%2bRffN1TY0hoJWw8nBxL%2f5d84LY2va7nOIfPnZinOf"
      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:4812
      • C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.WindowsClient.exe" "RunRole" "3123c018-31bd-4a50-a978-96a668bb1790" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5404
      • C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.WindowsClient.exe" "RunRole" "d717d88f-632a-4088-9426-64d6d5799312" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5328

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59e278.rbs

          • Path C:\Config.Msi\e59e278.rbs
          • Size 214KB
          • SHA256 fe000843492632d640c6061d8643c6e161e81685a883977803b74ef9f6de82dc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fdf5f85072f581f0)\system.config
          • Size 964B
          • SHA256 fec105154cd37f4456d881860671da7a0db60b4ea9bd8ad781d479c0fa455101
          • MD5 SHA1 SHA512 TLSH

          MSI8747.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8747.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8747.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8747.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8747.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8747.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8C3A.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8C3A.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\fdf5f85072f581f0\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 5451b52532d7ac38d7b59b8debbc32fdf6e940aac301dc5d68fc267ea9116041
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE98C.tmp

          • Path C:\Windows\Installer\MSIE98C.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          lzrsg4np.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fdf5f85072f581f0)\lzrsg4np.newcfg
          • Size 883B
          • SHA256 8f1c8d8b0306d9b08e78a82b54ba9532ae639ae09ff2a3b8e88426e8867aa369
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fdf5f85072f581f0)\user.config
          • Size 520B
          • SHA256 c06abb43147e287a155578aa59f2d99a347c90ce3f18d3dddafc3a1652270db8
          • MD5 SHA1 SHA512 TLSH

          v3tha1ys.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fdf5f85072f581f0)\v3tha1ys.newcfg
          • Size 683B
          • SHA256 d1c0642ffdd95525261ee8a7c885a441fb75dcb48b3ceb79fcd51b9e3ee3850c
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 b2e966add400cf3f1090d68d30660e26a8cf7a678b00e80ec1b0e4ceb6a77ccd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {8b7e2d96-8336-45ca-aa19-cf4f108202cc}_OnDiskSnapshotProp

          • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{8b7e2d96-8336-45ca-aa19-cf4f108202cc}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 3a39a1478a03ef3dfa8040148051c4a438bd763f696fadae294ea560cd2e8c6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4092-47-0x0000000005C90000-0x0000000005E40000-memory.dmp

          memory/4092-35-0x0000000005950000-0x000000000597E000-memory.dmp

          memory/4092-43-0x0000000005A40000-0x0000000005AD4000-memory.dmp

          memory/4092-39-0x0000000005990000-0x000000000599C000-memory.dmp

          memory/4812-201-0x0000000003BD0000-0x0000000003C11000-memory.dmp

          memory/4812-198-0x0000000003CE0000-0x0000000003D4C000-memory.dmp

          memory/4812-162-0x0000000003AF0000-0x0000000003B84000-memory.dmp

          memory/4812-166-0x0000000003D80000-0x0000000003F30000-memory.dmp

          memory/4812-203-0x00000000041C0000-0x0000000004296000-memory.dmp

          memory/4812-199-0x0000000003FD0000-0x0000000004062000-memory.dmp

          memory/4812-179-0x0000000003C20000-0x0000000003C70000-memory.dmp

          memory/4812-156-0x0000000001460000-0x000000000147A000-memory.dmp

          memory/5404-225-0x000000001B6B0000-0x000000001B860000-memory.dmp

          memory/5404-224-0x000000001B460000-0x000000001B4F4000-memory.dmp

          memory/5404-226-0x000000001AFD0000-0x000000001AFEA000-memory.dmp

          memory/5404-223-0x000000001B050000-0x000000001B0BC000-memory.dmp

          memory/5404-227-0x000000001B9F0000-0x000000001BB78000-memory.dmp

          memory/5404-222-0x00000000003E0000-0x000000000048E000-memory.dmp

          memory/5492-5-0x0000000003B20000-0x0000000003B48000-memory.dmp

          memory/5492-0-0x0000000075142000-0x0000000075143000-memory.dmp

          memory/5492-4-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/5492-3-0x0000000005FF0000-0x0000000006084000-memory.dmp

          memory/5492-2-0x00000000021E0000-0x00000000021EC000-memory.dmp

          memory/5492-1-0x00000000021B0000-0x00000000021B8000-memory.dmp

          memory/5492-11-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/5492-6-0x0000000006140000-0x00000000062F0000-memory.dmp

          memory/5492-7-0x00000000068B0000-0x0000000006E6A000-memory.dmp

          memory/5492-13-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/5492-8-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/5492-9-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/5496-77-0x00000000053F0000-0x0000000005418000-memory.dmp