Overview

overview

6

Static

static

1

VoicemodIn...co.exe

windows10-2004-x64

5

VoicemodIn...co.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    900s
  • max time network
    558s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 21:07

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General

  • Target
    VoicemodInstaller_1.6.20-0lozco.exe
  • Size 6.1MB
  • Sample260723-zyjajavyft
  • SHA256 aca15fc2907247b00b723a85dcdf5cbb27496c55942c4af15fc70031ac6ae721
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwarediscoveryexecutioninstallerpersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
    discovery
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

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

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

    installer
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

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

    ransomware
  • Uses Volume Shadow Copy service COM API

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

    ransomware
  • cURL User-Agent 8 IoCs

    Uses User-Agent string associated with cURL utility.

Processes

  • C:\Users\Admin\AppData\Local\Temp\VoicemodInstaller_1.6.20-0lozco.exe
    "C:\Users\Admin\AppData\Local\Temp\VoicemodInstaller_1.6.20-0lozco.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\AppData\Local\Temp\is-AKLDF.tmp\VoicemodInstaller_1.6.20-0lozco.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-AKLDF.tmp\VoicemodInstaller_1.6.20-0lozco.tmp" /SL5="$40188,5564221,899584,C:\Users\Admin\AppData\Local\Temp\VoicemodInstaller_1.6.20-0lozco.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4260
      • C:\Windows\system32\curl.exe
        "C:\Windows\system32\curl.exe" https://api.voicemod.net/ip -H "Content-Type: application/json" -o "C:\Users\Admin\AppData\Local\Temp\\ipaddress.info"
        3⤵
          PID:4520
        • C:\Windows\system32\curl.exe
          "C:\Windows\system32\curl.exe" -v https://api2.amplitude.com/2/httpapi -H "Content-Type: application/json" -X POST -d "{\"api_key\": \"87f0ffa43f46f4cb6cc134bb0de3868e\",\"events\": [{\"device_id\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958\",\"event_type\": \"Installer Open\",\"insert_id\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958-20260723171450\",\"app_version\": \"1.6.20\",\"platform\": \"Windows\",\"os_name\": \"Windows\",\"os_version\": \"11 (10.0.26100)\",\"ip\": \"37.19.197.163\",\"event_properties\": { \"version\": \"1.6.20\", \"machine_guid\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958\", \"country\": \"US\", \"locale\": \"en-US\", \"is_new_user\": \"True\", \"voicemod_system\": \"voicemod-v3-installer-windows\", \"cpu_architecture\": \"x86_64\", \"download_id\": \"0lozco\" }}]}"
          3⤵
            PID:1260
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe" /C tasklist > C:\Users\Admin\AppData\Local\Temp\\tasklist_unins000.exe.txt
            3⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:4916
            • C:\Windows\System32\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2580
          • C:\Windows\system32\curl.exe
            "C:\Windows\system32\curl.exe" https://api.voicemod.net/ip -H "Content-Type: application/json" -o "C:\Users\Admin\AppData\Local\Temp\\ipaddress.info"
            3⤵
              PID:2408
            • C:\Windows\system32\curl.exe
              "C:\Windows\system32\curl.exe" -v https://api2.amplitude.com/2/httpapi -H "Content-Type: application/json" -X POST -d "{\"api_key\": \"87f0ffa43f46f4cb6cc134bb0de3868e\",\"events\": [{\"device_id\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958\",\"event_type\": \"Installer Downloading VC x64 Redistributable\",\"insert_id\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958-20260723171452\",\"app_version\": \"1.6.20\",\"platform\": \"Windows\",\"os_name\": \"Windows\",\"os_version\": \"11 (10.0.26100)\",\"ip\": \"37.19.197.163\",\"event_properties\": { \"version\": \"1.6.20\", \"machine_guid\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958\", \"country\": \"US\", \"locale\": \"en-US\", \"is_new_user\": \"True\", \"voicemod_system\": \"voicemod-v3-installer-windows\", \"cpu_architecture\": \"x86_64\", \"download_id\": \"0lozco\" }}]}"
              3⤵
                PID:3404
              • C:\Windows\system32\curl.exe
                "C:\Windows\system32\curl.exe" https://api.voicemod.net/ip -H "Content-Type: application/json" -o "C:\Users\Admin\AppData\Local\Temp\\ipaddress.info"
                3⤵
                  PID:2376
                • C:\Windows\system32\curl.exe
                  "C:\Windows\system32\curl.exe" -v https://api2.amplitude.com/2/httpapi -H "Content-Type: application/json" -X POST -d "{\"api_key\": \"87f0ffa43f46f4cb6cc134bb0de3868e\",\"events\": [{\"device_id\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958\",\"event_type\": \"Installer Downloading VC x86 Redistributable\",\"insert_id\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958-20260723171453\",\"app_version\": \"1.6.20\",\"platform\": \"Windows\",\"os_name\": \"Windows\",\"os_version\": \"11 (10.0.26100)\",\"ip\": \"37.19.197.163\",\"event_properties\": { \"version\": \"1.6.20\", \"machine_guid\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958\", \"country\": \"US\", \"locale\": \"en-US\", \"is_new_user\": \"True\", \"voicemod_system\": \"voicemod-v3-installer-windows\", \"cpu_architecture\": \"x86_64\", \"download_id\": \"0lozco\" }}]}"
                  3⤵
                    PID:2380
                  • C:\Windows\system32\curl.exe
                    "C:\Windows\system32\curl.exe" https://api.voicemod.net/ip -H "Content-Type: application/json" -o "C:\Users\Admin\AppData\Local\Temp\\ipaddress.info"
                    3⤵
                      PID:5956
                    • C:\Windows\system32\curl.exe
                      "C:\Windows\system32\curl.exe" -v https://api2.amplitude.com/2/httpapi -H "Content-Type: application/json" -X POST -d "{\"api_key\": \"87f0ffa43f46f4cb6cc134bb0de3868e\",\"events\": [{\"device_id\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958\",\"event_type\": \"Installer Page wpWelcome\",\"insert_id\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958-20260723171455\",\"app_version\": \"1.6.20\",\"platform\": \"Windows\",\"os_name\": \"Windows\",\"os_version\": \"11 (10.0.26100)\",\"ip\": \"37.19.197.163\",\"event_properties\": { \"version\": \"1.6.20\", \"machine_guid\": \"0808cc13-ea9c-46c7-97d8-0cc437b49958\", \"country\": \"US\", \"locale\": \"en-US\", \"is_new_user\": \"True\", \"voicemod_system\": \"voicemod-v3-installer-windows\", \"cpu_architecture\": \"x86_64\", \"download_id\": \"0lozco\", \"page_number\": \"1\" }}]}"
                      3⤵
                        PID:5340
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k GPSvcGroup
                    1⤵
                      PID:4236
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of WriteProcessMemory
                      PID:5760
                      • C:\Windows\explorer.exe
                        explorer.exe /LOADSAVEDWINDOWS
                        2⤵
                        • Boot or Logon Autostart Execution: Active Setup
                        • Enumerates connected drives
                        • Checks SCSI registry key(s)
                        • Modifies Internet Explorer settings
                        • Modifies registry class
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of FindShellTrayWindow
                        • Suspicious use of SendNotifyMessage
                        • Suspicious use of SetWindowsHookEx
                        PID:4656
                    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                      1⤵
                      • Modifies registry class
                      • Suspicious use of SetWindowsHookEx
                      PID:2136
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                      • Modifies registry class
                      • Suspicious use of SetWindowsHookEx
                      PID:5472
                    • C:\Windows\System32\SecurityHealthHost.exe
                      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
                      1⤵
                        PID:5632

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

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                            Downloads

                            prep_Activatable Class_Hermes_perf.cache
                            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                            • Size 595B
                            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                            • MD5 SHA1 SHA512 TLSH
                            Submit Download

                            ipaddress.info
                            • Path C:\Users\Admin\AppData\Local\Temp\ipaddress.info
                            • Size 22B
                            • SHA256 a8f27b85b8454d138ac0e94f9d77833828d57c86de6467ab1894a821b1d7e83f
                            • MD5 SHA1 SHA512
                            Submit Download

                            VoicemodInstaller_1.6.20-0lozco.tmp
                            • Path C:\Users\Admin\AppData\Local\Temp\is-AKLDF.tmp\VoicemodInstaller_1.6.20-0lozco.tmp
                            • Size 2.6MB
                            • SHA256 e0b0fcae5fd1d9685d949f7dfa4c41c03ca903e084452e58c00293a5a2e3047e
                            • MD5 SHA1 SHA512 SSDEEP TLSH
                            Submit Download

                            bg-inner.png
                            • Path C:\Users\Admin\AppData\Local\Temp\is-D2J8H.tmp\bg-inner.png
                            • Size 6KB
                            • SHA256 8fe4a3f95d5309e692c4142f460bebe4e4e24844f5a2071d466bd964c5d04dcf
                            • MD5 SHA1 SHA512 SSDEEP TLSH
                            Submit Download

                            bg-top.png
                            • Path C:\Users\Admin\AppData\Local\Temp\is-D2J8H.tmp\bg-top.png
                            • Size 20KB
                            • SHA256 bdc753b2b19ee8b573b8e676f18dae42494b99b6bd738194dcdd67f244085f36
                            • MD5 SHA1 SHA512 SSDEEP TLSH
                            Submit Download

                            botva2.dll
                            • Path C:\Users\Admin\AppData\Local\Temp\is-D2J8H.tmp\botva2.dll
                            • Size 35KB
                            • SHA256 a4b61626a1626fdabec794e4f323484aa0644baa1c905a5dcf785dc34564f008
                            • MD5 SHA1 SHA512 SSDEEP TLSH
                            Submit Download

                            buttons.png
                            • Path C:\Users\Admin\AppData\Local\Temp\is-D2J8H.tmp\buttons.png
                            • Size 1KB
                            • SHA256 d236f88ef90e6d0e259a586f4e613b14d4a35f3a704ff559dadda31341e99c24
                            • MD5 SHA1 SHA512 TLSH
                            Submit Download

                            idp.dll
                            • Path C:\Users\Admin\AppData\Local\Temp\is-D2J8H.tmp\idp.dll
                            • Size 232KB
                            • SHA256 54e7e0ad32a22b775131a6288f083ed3286a9a436941377fc20f85dd9ad983ed
                            • MD5 SHA1 SHA512 SSDEEP TLSH
                            Submit Download

                            tasklist_unins000.exe.txt
                            • Path C:\Users\Admin\AppData\Local\Temp\tasklist_unins000.exe.txt
                            • Size 7KB
                            • SHA256 f044d95036f0d166eaa5e9bb31a72aa19aedc821058b57d579bc47a9941dc6c2
                            • MD5 SHA1 SHA512 SSDEEP TLSH
                            Submit Download

                            memory/2136-266-0x0000028901A20000-0x0000028901A40000-memory.dmp
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                            memory/2136-279-0x0000028901E00000-0x0000028901E20000-memory.dmp
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                            memory/2136-306-0x0000028914280000-0x00000289142A0000-memory.dmp
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                            memory/2136-267-0x0000028901E60000-0x0000028901F60000-memory.dmp
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                            memory/2136-260-0x00000289001E0000-0x00000289002E0000-memory.dmp
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                            memory/4260-163-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-184-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-113-0x0000000006580000-0x00000000066C0000-memory.dmp
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                            memory/4260-118-0x0000000003FD0000-0x0000000003FDE000-memory.dmp
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                            memory/4260-117-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-121-0x0000000003FD0000-0x0000000003FDE000-memory.dmp
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                            memory/4260-120-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-123-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-126-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-129-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-132-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-136-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-139-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-142-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-145-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-148-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-151-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-154-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-157-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-160-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-98-0x0000000006580000-0x00000000066C0000-memory.dmp
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                            memory/4260-166-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-169-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-172-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-175-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-178-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-181-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-108-0x0000000006580000-0x00000000066C0000-memory.dmp
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                            memory/4260-187-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-190-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-193-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-196-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-199-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-202-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-205-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-208-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-211-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-214-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-217-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-220-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-223-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-226-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-229-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-232-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-235-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-238-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-103-0x0000000006580000-0x00000000066C0000-memory.dmp
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                            memory/4260-93-0x0000000006580000-0x00000000066C0000-memory.dmp
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                            memory/4260-33-0x0000000003FD0000-0x0000000003FDE000-memory.dmp
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                            memory/4260-13-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4260-14-0x0000000002460000-0x0000000002461000-memory.dmp
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                            memory/4260-6-0x0000000002460000-0x0000000002461000-memory.dmp
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                            memory/4260-431-0x0000000000400000-0x00000000006A5000-memory.dmp
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                            memory/4712-0-0x0000000000400000-0x00000000004E9000-memory.dmp
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                            memory/4712-12-0x0000000000400000-0x00000000004E9000-memory.dmp
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