Analysis

  • max time kernel
    148s
  • 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
    08/09/2026, 03:44

General

  • Target
    e61caa4ae68ddd6af6473564eed06fb7d2cd7cc964f34ca50fb88dbb99e46da2.msi
  • Size 9.8MB
  • Sample260908-earlsacg96
  • SHA256 e61caa4ae68ddd6af6473564eed06fb7d2cd7cc964f34ca50fb88dbb99e46da2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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.

  • 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 42 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 9 IoCs
  • Drops file in Program Files directory 16 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 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.

  • 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 6 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 9 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\e61caa4ae68ddd6af6473564eed06fb7d2cd7cc964f34ca50fb88dbb99e46da2.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2316
  • 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:4072
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C05CB14E9C0B9A7AD75BA0987351DBB2 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI451D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240731656 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3372
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI49A3.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240732593 12 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4292
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI524E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240734906 19 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5040
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5944
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 00AEF0A0DFF2567D78CD4490985065B4
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4492
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F484EFFCB274FA399BD21D3F13A3D5D2 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4936
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5936
    • C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-a2kjno-relay.screenconnect.com&p=443&s=8bd209f8-f309-40d8-ba6a-75d501d2f043&k=BgIAAACkAABSU0ExAAgAAAEAAQAZKfRqwPBkru783fXRtVUYuyizho6tWz9V2xk5XtKyq7LEWbVKP4KUxl18r1srDsAxx73x8jJsu70pxIxM7rfyL9qCo9NKBVGTvcGwmUf9SHal8kylLw%2bPGMae1RRmmu52c%2b3TpPDLpPK5giIDJVTdlK4Du7%2bNcseOXO04fHgRDN1PmLbtNj5cMV2jQ2xe4MlXpeOeukTX2qMaGu96HJ4htnORkFyHklvTTcMiKGks3oy5E4WOMS0to8C1DbuzklZ3xvDMHT056OzX1zaBxhea9KIK1NFoqTAmLRgVPW01XiSXQjRoXTmbKTOVyngLzY4J768zeKeERB3LJ5KpR0uS&t=OGO&c=GLORY&c=SUCCESS&c=&c=&c=&c=&c=&c="
      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:5680
      • C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.WindowsClient.exe" "RunRole" "91fbbb2c-28a7-42ce-bb09-1f0be688c963" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1088
      • C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.WindowsClient.exe" "RunRole" "2fef033e-5499-4e9a-9bac-e4277a3b4910" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3136

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59a715.rbs

          • Path C:\Config.Msi\e59a715.rbs
          • Size 214KB
          • SHA256 c10e9f491e1afb91c35cbe1686b96673ac1c956b44544975183e99afe29beb1f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fbc8afc6389eb14f)\system.config
          • Size 950B
          • SHA256 c7b3d3839fde4165e59ae2f5b9ac26b2704e015c8d345b5fb4d8e37af592bae6
          • MD5 SHA1 SHA512 TLSH

          MSI451D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI451D.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI451D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI451D.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI451D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI451D.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI49A3.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI49A3.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 361bbc692084841e4c8d22c89ca89c711d0fe17bc8759241736531a2f28de25b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIACD1.tmp

          • Path C:\Windows\Installer\MSIACD1.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59a714.msi

          • Path C:\Windows\Installer\e59a714.msi
          • Size 9.8MB
          • SHA256 e61caa4ae68ddd6af6473564eed06fb7d2cd7cc964f34ca50fb88dbb99e46da2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          qu35zpxq.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fbc8afc6389eb14f)\qu35zpxq.newcfg
          • Size 683B
          • SHA256 9c544d79432e7663ae73068702cedca3e71693e40b877b6d10209d4a6b9bdbf3
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fbc8afc6389eb14f)\user.config
          • Size 520B
          • SHA256 857a3e84bad3ccb1fbf016021c03abe91db18688504cac9a0223bb7ce1b5b286
          • MD5 SHA1 SHA512 TLSH

          x13l5rgb.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fbc8afc6389eb14f)\x13l5rgb.newcfg
          • Size 882B
          • SHA256 e61ccb7af0c40e87a447da0f8770ef6fcf394f0d9eb4ef4f804493dc4c360586
          • MD5 SHA1 SHA512 TLSH

          {67378c62-1898-430c-8020-6b90c173996f}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{67378c62-1898-430c-8020-6b90c173996f}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 213ec96d72ec763ab89d885f5434d9bbb59ebc22a94d73e1218a6b3a103fff0e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1088-210-0x0000000001580000-0x000000000159A000-memory.dmp

          memory/1088-207-0x000000001B970000-0x000000001B9DC000-memory.dmp

          memory/1088-208-0x000000001BCE0000-0x000000001BD76000-memory.dmp

          memory/1088-209-0x000000001BF30000-0x000000001C0E0000-memory.dmp

          memory/1088-211-0x000000001C270000-0x000000001C3F8000-memory.dmp

          memory/1088-206-0x0000000000C60000-0x0000000000D10000-memory.dmp

          memory/3372-33-0x0000000005830000-0x00000000059E0000-memory.dmp

          memory/3372-29-0x00000000055E0000-0x0000000005676000-memory.dmp

          memory/3372-34-0x0000000005FA0000-0x000000000655A000-memory.dmp

          memory/3372-25-0x0000000005530000-0x000000000553C000-memory.dmp

          memory/3372-21-0x00000000054F0000-0x000000000551E000-memory.dmp

          memory/4292-64-0x00000000056C0000-0x00000000056E8000-memory.dmp

          memory/5040-101-0x0000000005EA0000-0x0000000005F32000-memory.dmp

          memory/5680-152-0x0000000003F40000-0x00000000040F0000-memory.dmp

          memory/5680-188-0x0000000004460000-0x0000000004536000-memory.dmp

          memory/5680-186-0x0000000003EE0000-0x0000000003F21000-memory.dmp

          memory/5680-184-0x0000000004160000-0x00000000041CC000-memory.dmp

          memory/5680-165-0x0000000003E90000-0x0000000003EE0000-memory.dmp

          memory/5680-148-0x0000000003CF0000-0x0000000003D86000-memory.dmp

          memory/5680-142-0x00000000014D0000-0x00000000014EA000-memory.dmp