Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/10/2026, 15:11

General

  • Target
    ConnectWiseControl.ClientSetup.msi
  • Size 1.5MB
  • Sample261011-skranaca33
  • SHA256 7e156776064bbc27cdf59cd6bd1f30298d7fc7b2d14ebf5dc2c39703065a6077
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 47 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 20 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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.

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • 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\ConnectWiseControl.ClientSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5988
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • 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:4704
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 252819E9E4F7276AA5922FDF416F4381 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIFE02.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240713453 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2440
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4664
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1BECC790CBF115658538E86A614A970B
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1344
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4FD057811783CA0848EC31BE88FC1EEA E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5492
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:6016
    • C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=13.37.72.210&p=8041&s=d2333eb3-ed99-416d-b529-f579f9c20c69&k=BgIAAACkAABSU0ExAAgAAAEAAQAFJ7ZuWXP5BWViHJTbf5tPj7Sz3VZwFq8m7qZRUuRH8DdT5ZTh16EXQCtQGTdC3f6cdeRipg90LvRJZX4fUH8mHIc8WT2uHwG0TTGbw8jNKIhaiX5bAk5VfBlG7ZV8vvpvIpenbIjWKtobft2RaJJkmNEiZXVhbDKkMCgLoguOOEHQTD2zzeEbbYbIKt2btII8jVJd9udccUDkoBTNIilMA4lDf18HSK9IXWik3cbybIBrxpoP6sbA2rbet3WdvT0npbdqRuOkf2A8iowrzdSYAy9REZQ6VQse0UfvmLhINz31AqKPMMoMth4obMavAJ8lb4b2cAnDObb6bFylxuzA&t=&c=&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2616
    • C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=13.37.72.210&p=8041&s=d2333eb3-ed99-416d-b529-f579f9c20c69&k=BgIAAACkAABSU0ExAAgAAAEAAQAFJ7ZuWXP5BWViHJTbf5tPj7Sz3VZwFq8m7qZRUuRH8DdT5ZTh16EXQCtQGTdC3%2f6cdeRipg90LvRJZX4%2fUH8mHIc8WT2uHwG0TTG%2bw8jNKIhaiX5%2bAk5V%2fBlG7ZV8vvpvIpen%2bIjWKto%2b%2ft2RaJJkmNEiZXVhbDKkMCgLoguOOEHQTD2zzeE%2b%2bYbIKt2%2btII8jVJd9udccUDkoBTNIilMA4lD%2f18HSK9IXWik3cby%2bIBrxpoP6s%2bA2rbet3WdvT0np%2bdqRuOkf2A8iowrzdSYAy9REZQ6VQse0UfvmLhINz31AqKPMMoMth4o%2bMavAJ8l%2b4%2b2cAnDO%2bb6%2bFylxuzA&t=&c=&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • 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:1680
      • C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe" "RunRole" "c3d805fb-21f8-4e72-b3e2-e9f064be0469" "User"
        2⤵
        • Executes dropped EXE
        PID:2352
    • C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=13.37.72.210&p=8041&s=d2333eb3-ed99-416d-b529-f579f9c20c69&k=BgIAAACkAABSU0ExAAgAAAEAAQAFJ7ZuWXP5BWViHJTbf5tPj7Sz3VZwFq8m7qZRUuRH8DdT5ZTh16EXQCtQGTdC3f6cdeRipg90LvRJZX4fUH8mHIc8WT2uHwG0TTGbw8jNKIhaiX5bAk5VfBlG7ZV8vvpvIpenbIjWKtobft2RaJJkmNEiZXVhbDKkMCgLoguOOEHQTD2zzeEbbYbIKt2btII8jVJd9udccUDkoBTNIilMA4lDf18HSK9IXWik3cbybIBrxpoP6sbA2rbet3WdvT0npbdqRuOkf2A8iowrzdSYAy9REZQ6VQse0UfvmLhINz31AqKPMMoMth4obMavAJ8lb4b2cAnDObb6bFylxuzA&t=&c=&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • 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:1652
      • C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe" "RunRole" "42014f1d-c4a2-4003-b669-6c583dc3c8fc" "User"
        2⤵
        • Executes dropped EXE
        PID:2296

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5941d3.rbs

          • Path C:\Config.Msi\e5941d3.rbs
          • Size 212KB
          • SHA256 5d67e4078ef8d5e71066b116ddeceea26feec94cf85e268d9cb5773aa7aac31b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.Client.dll
          • Size 99KB
          • SHA256 d03080496ab39d14c5f9c611db6fe7c1961a22f31bf81afa23236092d1aab8c4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.dll
          • Size 25KB
          • SHA256 e944fba422b37726b839ba2416b8c816bb271b4d09b3922d3258cc7a34a823d4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe
          • Size 87KB
          • SHA256 785617001ab812aceee696b29ea0ad79f4539e1f941abea8e419eefcfc83384b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.Windows.dll
          • Size 1.1MB
          • SHA256 410541de79520a6aaefc5969a9b16b9c43a6117bfe6e0d731f2e3f9aad17d9e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe
          • Size 427KB
          • SHA256 e74ad2f5cffd1895ca4274272e6901c74a11d45aadf52a015502242495515a00
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe.config
          • Size 259B
          • SHA256 f3c7ed5a1114cbfa6e3e996f4b0311edb5e25dc2099fd7eb7a3a456c261a2d94
          • MD5 SHA1 SHA512 TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\app.config
          • Size 2KB
          • SHA256 ae5fc34ccd25c235997ed61a6a7b00440f171baee6fb0d638073744858d8ea2e
          • MD5 SHA1 SHA512 TLSH

          MSIFE02.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFE02.tmp
          • Size 320KB
          • SHA256 ea134f4d9e80ec934fc1304ba687ba8bba62398300323432ec2cc1ef5ad1f75d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFE02.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFE02.tmp-\ScreenConnect.Core.dll
          • Size 311KB
          • SHA256 18d41ab18390afb3cfbc0a872cd89565e7c21ec32237ae5be8a7f113e8015420
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFE02.tmp-\ScreenConnect.InstallerActions.dll
          • Size 17KB
          • SHA256 a41b68a124497d0e4e5f46fcc2f152ed2dddbde2f0d0e12f54c7335243f7f120
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI4695.tmp

          • Path C:\Windows\Installer\MSI4695.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5941d4.msi

          • Path C:\Windows\Installer\e5941d4.msi
          • Size 1.5MB
          • SHA256 7e156776064bbc27cdf59cd6bd1f30298d7fc7b2d14ebf5dc2c39703065a6077
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1680-83-0x0000000002060000-0x0000000002080000-memory.dmp

          memory/1680-114-0x0000000004F10000-0x0000000004F60000-memory.dmp

          memory/1680-111-0x0000000004D30000-0x0000000004EB8000-memory.dmp

          memory/1680-110-0x0000000004B30000-0x0000000004BA0000-memory.dmp

          memory/2352-120-0x000000001BFD0000-0x000000001C158000-memory.dmp

          memory/2352-117-0x0000000002C90000-0x0000000002CB0000-memory.dmp

          memory/2352-119-0x000000001BD20000-0x000000001BE40000-memory.dmp

          memory/2352-118-0x0000000002F90000-0x0000000002FE4000-memory.dmp

          memory/2352-116-0x0000000000C00000-0x0000000000C70000-memory.dmp

          memory/2352-126-0x0000000002C70000-0x0000000002C7C000-memory.dmp

          memory/2440-23-0x0000000005D00000-0x00000000062BA000-memory.dmp

          memory/2440-22-0x0000000005690000-0x00000000056E4000-memory.dmp

          memory/2440-18-0x0000000005620000-0x000000000562A000-memory.dmp

          memory/2440-14-0x00000000035D0000-0x00000000035FE000-memory.dmp

          memory/2616-93-0x0000000004E30000-0x0000000004F50000-memory.dmp

          memory/2616-74-0x0000000002780000-0x000000000278C000-memory.dmp