Analysis

  • max time kernel
    149s
  • max time network
    141s
  • 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

General

  • Target
    iTaxViewer_Mini.exe
  • Size 14.5MB
  • Sample261017-arpfjayz2m
  • SHA256 b58b29c21d9bf0de98f1494ab8098538b04e2ad3b7cc53476f2a4fe331604da3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • 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 14 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 26 IoCs

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

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

    Inno Setup installer

  • Kills process with taskkill 17 IoCs
  • Modifies Control Panel 12 IoCs
  • Modifies Internet Explorer settings 1 TTPs 18 IoCs
  • Modifies data under HKEY_USERS 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\iTaxViewer_Mini.exe
    "C:\Users\Admin\AppData\Local\Temp\iTaxViewer_Mini.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Users\Admin\AppData\Local\Temp\is-JHO4F.tmp\iTaxViewer_Mini.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JHO4F.tmp\iTaxViewer_Mini.tmp" /SL5="$50114,14687237,239616,C:\Users\Admin\AppData\Local\Temp\iTaxViewer_Mini.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:4964
      • 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:2680
      • 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:2060
      • 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:4724
      • 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:2304
      • 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:4732
      • 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:1556
      • 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:4508
      • 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:2596
      • 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:2024
      • 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:1248
      • 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:2392
      • 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:4516
      • 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:3252
      • 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:4104
      • 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:4404
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im nssm.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2056
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im node.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1360
      • 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:1764
      • 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:2916
      • 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:1716
      • 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:2956
      • 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
        PID:1656
      • 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
        • Suspicious use of AdjustPrivilegeToken
        PID:4012
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process where "name like '%oneca%'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:4696

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        iTaxViewer_Mini.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-JHO4F.tmp\iTaxViewer_Mini.tmp
        • Size 1.2MB
        • SHA256 07fb1e53313514062c7e30baf932819a5847c01a7b835a60e70f145e1057e327
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3064-0-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/3064-7-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/4964-5-0x00000000021C0000-0x00000000021C1000-memory.dmp

        memory/4964-9-0x00000000021C0000-0x00000000021C1000-memory.dmp

        memory/4964-8-0x0000000000400000-0x000000000054A000-memory.dmp