Overview

overview

10

Static

static

3

iTaxViewer-Pro.exe

windows10-2004-x64

10

iTaxViewer-Pro.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/10/2026, 00:26

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General

  • Target
    iTaxViewer-Pro.exe
  • Size 2.6MB
  • Sample261017-arpfjayz2p
  • SHA256 f5d2603fa53db87dc3b5a666a1e8603a3a8842198bf2858afac5f9d3419243c6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefense_evasiondiscoveryinstallerspyware

Malware Config

Signatures

  • Modifies security service 2 TTPs 1 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 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 12 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 23 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
  • Kills process with taskkill 15 IoCs
    defense_evasion
  • Modifies Control Panel 12 IoCs
    defense_evasion
  • Modifies Internet Explorer settings 1 TTPs 18 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • System policy modification 1 TTPs 6 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\iTaxViewer-Pro.exe
    "C:\Users\Admin\AppData\Local\Temp\iTaxViewer-Pro.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Users\Admin\AppData\Local\Temp\is-4PS4O.tmp\iTaxViewer-Pro.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4PS4O.tmp\iTaxViewer-Pro.tmp" /SL5="$60140,2282797,239616,C:\Users\Admin\AppData\Local\Temp\iTaxViewer-Pro.exe"
      2⤵
      • Modifies security service
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies Control Panel
      • Modifies Internet Explorer settings
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4412
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im Nca_v4_certd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:916
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im Nca_v4.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2700
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im iexplore.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4212
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im WinDone.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1976
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im WinSys.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3608
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im Xseo.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2128
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im PFS.QTT2012.TOOLNHAP.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1332
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im PFS.QTT2012.TOOLNHAPDKT2009.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4720
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im java.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3676
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im javaw.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4964
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im jp2launcher.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:332
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im jusched.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3852
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im jucheck.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2312
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im jaureg.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1508
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im jqs.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4504
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%java%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:2976
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%jp2%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4836
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%nca%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2008
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%jusched%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:5048
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%jucheck%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:744
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%LCS-CA%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:2808

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        iTaxViewer-Pro.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\is-4PS4O.tmp\iTaxViewer-Pro.tmp
        • Size 1.2MB
        • SHA256 07fb1e53313514062c7e30baf932819a5847c01a7b835a60e70f145e1057e327
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4412-5-0x0000000000710000-0x0000000000711000-memory.dmp
        Download

        memory/4412-9-0x0000000000710000-0x0000000000711000-memory.dmp
        Download

        memory/4412-8-0x0000000000400000-0x000000000054A000-memory.dmp
        Download

        memory/4940-0-0x0000000000400000-0x0000000000444000-memory.dmp
        Download

        memory/4940-7-0x0000000000400000-0x0000000000444000-memory.dmp
        Download