Overview

overview

7

Static

static

3

EV.Key-setup.exe

windows10-2004-x64

7

EV.Key-setup.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 00:09

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General

  • Target
    EV.Key-setup.exe
  • Size 1.2MB
  • Sample261030-afwepsvs2r
  • SHA256 7c50bbc21ffb2e4781deab225b07d3579afe7abd7a18f23cae51b4843c96574e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoveryexecutioninstallerpersistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 10 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 11 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. 3 IoCs

    Inno Setup installer

    installer
  • Modifies Control Panel 12 IoCs
    defense_evasion
  • Modifies data under HKEY_USERS 11 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • System policy modification 1 TTPs 3 IoCs
    defense_evasion
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\EV.Key-setup.exe
    "C:\Users\Admin\AppData\Local\Temp\EV.Key-setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\is-NQMQ8.tmp\EV.Key-setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NQMQ8.tmp\EV.Key-setup.tmp" /SL5="$801D4,777066,185344,C:\Users\Admin\AppData\Local\Temp\EV.Key-setup.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Control Panel
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2988
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%evk%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2372
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%nike%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3792
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%gotieng%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3824
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /Delete /TN "Unikey 4.3" /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:212
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /Delete /TN "EVKey - Vietnamese Keyboard" /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3472
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /Delete /TN "UK 4.3 RC5" /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3804
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /Delete /TN "Unikey 4.3 RC5" /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3200
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /Delete /TN "Unikey 4.3" /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4916
      • C:\Program Files (x86)\EVKey\EVKey64.exe
        "C:\Program Files (x86)\EVKey\EVKey64.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:2088
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /Create /F /RL highest //RU administrators /SC onlogon /TR "C:\Program Files (x86)\EVKey\EVKey64.exe" /TN "EVKey - Vietnamese Keyboard"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2824
  • C:\Program Files (x86)\EVKey\EVKey64.exe
    "C:\Program Files (x86)\EVKey\EVKey64.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2384

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        EVKey32.exe
        • Path C:\Program Files (x86)\EVKey\EVKey32.exe
        • Size 691KB
        • SHA256 44e8522570b33337479cfa8d51d7186d73765879161240ebcd059ed2639aaaf4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        EVKey64.exe
        • Path C:\Program Files (x86)\EVKey\EVKey64.exe
        • Size 815KB
        • SHA256 f5220f32c69b9e8437f2ec56836383c579e77db6f9c418e782bd36fac054e35d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        evkmacro.txt
        • Path C:\Program Files (x86)\EVKey\evkmacro.txt
        • Size 315B
        • SHA256 fa7983371ba87fb0a322c02b99f2fc451827417f9c36601dde9117271567a571
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        iconxml.ico
        • Path C:\Program Files (x86)\EVKey\iconxml.ico
        • Size 96KB
        • SHA256 3e36e0acb516eca27cbdb2f9222f69519dbc50b43501c282eb5c41ceb69e46b0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setting.ini
        • Path C:\Program Files (x86)\EVKey\setting.ini
        • Size 632B
        • SHA256 338e59048c48b9300f3eee20b88ab49470d8afbae72d5ac79cabe3d22364425d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        EV.Key-setup.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\is-NQMQ8.tmp\EV.Key-setup.tmp
        • Size 1.2MB
        • SHA256 59f5e555cd044a1828de1c096ecb4cc7f3f86acfcc5d6e0263fd87b40e0b534e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2884-0-0x0000000000400000-0x0000000000437000-memory.dmp
        Download

        memory/2884-42-0x0000000000400000-0x0000000000437000-memory.dmp
        Download

        memory/2884-57-0x0000000000400000-0x0000000000437000-memory.dmp
        Download

        memory/2988-5-0x0000000000720000-0x0000000000721000-memory.dmp
        Download

        memory/2988-43-0x0000000000400000-0x000000000053C000-memory.dmp
        Download

        memory/2988-44-0x0000000000720000-0x0000000000721000-memory.dmp
        Download

        memory/2988-56-0x0000000000400000-0x000000000053C000-memory.dmp
        Download