Library / LOLBin
ie4uinit.exe
IE Per-User Initialization Utility · Microsoft Corporation
OriginalFilename
IE4UINIT.EXE
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\ie4uinit.exe'
- OriginalFileName: 'IE4UINIT.EXE'
condition: selectionprocess_creation logsource. Sigma string matching is case-insensitive.
| tstats summariesonly=false count values(Processes.original_file_name) as original_file_name
from datamodel=Endpoint.Processes
where (Processes.original_file_name="IE4UINIT.EXE" OR Processes.process_name="ie4uinit.exe")
by Processes.dest Processes.process_name Processes.process_path Processes.process
| rename Processes.* as *Endpoint.Processes data model. On raw Sysmon events the field is OriginalFileName.
DeviceProcessEvents
| where ProcessVersionInfoOriginalFileName in~ ("IE4UINIT.EXE")
or FileName =~ "ie4uinit.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("IE4UINIT.EXE") or
process.name : "ie4uinit.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['ie4uinit.exe'].includes(String(OriginalFileName || '').toLowerCase())Filter expression (JavaScript) for events carrying Sysmon's OriginalFileName field.
Values across builds
| OriginalFilename | Builds | Arch | File version | Windows releases | Source | Sysmon |
|---|---|---|---|---|---|---|
| IE4UINIT.EXE | 19 | x64 | 11.0.10240.21161 → 11.0.28000.2804 | Win10 1507 → Win11 26H1 (20) | Host scan, Winbindex | ✓ 1 |
All 19 parsed builds
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| ea6e24a5a766… | 11.0.28000.2804 | x64 | IE4UINIT.EXE | Win11 26H1 | Unsigned | Winbindex | |
| 8e338d764a6f… | 11.0.26100.9549 | x64 | IE4UINIT.EXE | Win11 24H2 | Unsigned | Host scan, Winbindex | ✓ |
| 3881d84dab0e… | 11.0.22621.5415 | x64 | IE4UINIT.EXE | Win11 22H2, Win11 23H2 | Unsigned | Winbindex | |
| 7ba784c0723b… | 11.0.19041.7663 | x64 | IE4UINIT.EXE | Win10 21H2 | Unsigned | Winbindex | |
| 5838e3438f1d… | 11.0.17763.9376 | x64 | IE4UINIT.EXE | Win10 1809 | Unsigned | Winbindex | |
| dd7fe0dbd6bd… | 11.0.14393.2999 | x64 | IE4UINIT.EXE | Win10 1607 | Unsigned | Winbindex | |
| 6282eac7deec… | 11.0.19041.5915 | x64 | IE4UINIT.EXE | Win10 21H2, Win10 22H2 | Unsigned | Winbindex | |
| c73893fff7e2… | 11.0.10240.21161 | x64 | IE4UINIT.EXE | Win10 1507 | Unsigned | Winbindex | |
| 1d6049bcfcff… | 11.0.26100.5074 | x64 | IE4UINIT.EXE | Win11 24H2, Win11 25H2 | Unsigned | Winbindex | |
| 4b46d9edbb27… | 11.0.22000.3019 | x64 | IE4UINIT.EXE | Win11 21H2 | Unsigned | Winbindex | |
| 02c8a8c376df… | 11.0.19041.2546 | x64 | IE4UINIT.EXE | Win10 20H2 … Win10 22H2 (3) | Unsigned | Winbindex | |
| 62e2e7e0e618… | 11.0.18362.1916 | x64 | IE4UINIT.EXE | Win10 1909 | Unsigned | Winbindex | |
| 9e4365b2e2be… | 11.0.19041.1320 | x64 | IE4UINIT.EXE | Win10 2004, Win10 20H2 | Unsigned | Winbindex | |
| 856955eb4ebf… | 11.0.18362.628 | x64 | IE4UINIT.EXE | Win10 1903, Win10 1909 | Unsigned | Winbindex | |
| 6f83621ed34b… | 11.0.19041.1 | x64 | IE4UINIT.EXE | Win10 2004 … Win10 21H1 (3) | Signed (Catalog file) | Winbindex | |
| 65c93717e123… | 11.0.17134.2087 | x64 | IE4UINIT.EXE | Win10 1803 | Unsigned | Winbindex | |
| 5a95831f072c… | 11.0.15063.1836 | x64 | IE4UINIT.EXE | Win10 1703 | Unsigned | Winbindex | |
| 387344f273f0… | 11.0.16299.1182 | x64 | IE4UINIT.EXE | Win10 1709 | Unsigned | Winbindex | |
| 8cd63893ae63… | 11.0.10586.1540 | x64 | IE4UINIT.EXE | Win10 1511 | Unsigned | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.