Overview

overview

4

Static

static

1

iExplore.exe

windows11-21h2-x64

4

Analysis

  • user interaction
    yes
  • max time kernel
    132s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/08/2026, 18:09

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General

  • Target
    iExplore.exe
  • Size 1.7MB
  • Sample260804-wrnd5atzft
  • SHA256 d4ac5b3c525a5fd94019d80ff81b552e73b19b1bd0a554b9609cdd5e1b00955a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 63 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 3 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\iExplore.exe
    "C:\Users\Admin\AppData\Local\Temp\iExplore.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\iExplore64.exe
      C:\Users\Admin\AppData\Local\Temp\iExplore.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4748
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:5820
  • C:\Windows\regedit.exe
    "regedit.exe" "C:\Users\Admin\Desktop\AssertStep.reg"
    1⤵
    • Runs .reg file with regedit
    PID:2508
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Program Files\Microsoft Office\root\Office16\Winword.exe
      "C:\Program Files\Microsoft Office\root\Office16\Winword.exe" /n "C:\Users\Admin\Desktop\AssertStep.reg"
      2⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      PID:2840
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:240
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:4532
      • C:\Program Files\7-Zip\7z.exe
        "C:\Program Files\7-Zip\7z.exe" "C:\Users\Admin\Downloads\FindRemove.7z"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1472

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          iExplore64.exe
          • Path C:\Users\Admin\AppData\Local\Temp\iExplore64.exe
          • Size 964KB
          • SHA256 797f0917162e74e64f556fd467cc13d10401e826309c3ed889574889a96b88c7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          index.dat
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
          • Size 352B
          • SHA256 e94d23429e7870c2a11c5ea5ff2164f57be1e136ba1e95c120a061f4b8ac3653
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Rkill.txt
          • Path C:\Users\Admin\Desktop\Rkill.txt
          • Size 2B
          • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
          • MD5 SHA1 SHA512
          Submit Download

          Rkill.txt
          • Path C:\Users\Admin\Desktop\Rkill.txt
          • Size 514B
          • SHA256 e9c8cf38684857899952f0586bb9228a6ab774cd54889559b702c8541d550bf3
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/2840-12-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download

          memory/2840-9-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download

          memory/2840-10-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download

          memory/2840-13-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download

          memory/2840-14-0x00007FFB7DD80000-0x00007FFB7DD90000-memory.dmp
          Download

          memory/2840-15-0x00007FFB7DD80000-0x00007FFB7DD90000-memory.dmp
          Download

          memory/2840-11-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download

          memory/2840-53-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download

          memory/2840-55-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download

          memory/2840-54-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download

          memory/2840-52-0x00007FFB808B0000-0x00007FFB808C0000-memory.dmp
          Download