ie4uinit.exe

  • File Path: C:\WINDOWS\system32\ie4uinit.exe
  • Description: IE Per-User Initialization Utility

Hashes

Type Hash
MD5 21CB4852E203215BB472B1804DA5C80B
SHA1 78C3E5CF258E100089C703A130580B2E64915C16
SHA256 856955EB4EBF79FD8C45B58E4271FB7F45F2659C88A5E94BA2D8E5484F4E9E11
SHA384 E8826384884AEEFA213366D6BE216732E31D39F3DFC4A7DF4EAE31DDFDAD4CFCCEE2F90A530D738AD54653BDFB4A1EB4
SHA512 A88FA5508AD574D73F08828EEC29426E1C5D2CA0DBE28115CB1D72EEA272A80FD78E24E81EF25500DDE30C33B923155E360A603451872C6F4EA4906FB7D30F7B
SSDEEP 6144:MPyvRc+5+bRhN1Wjl4K/eZb8vm1YWAIu350PK:cypFqRhPK4KW8vm1YCuwK

Signature

  • Status: Signature verified.
  • Serial: 330000023241FB59996DCC4DFF000000000232
  • Thumbprint: FF82BC38E1DA5E596DF374C53E3617F7EDA36B06
  • Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
  • Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

  • Original Filename: IE4UINIT.EXE.MUI
  • Product Name: Internet Explorer
  • Company Name: Microsoft Corporation
  • File Version: 11.00.18362.1 (WinBuild.160101.0800)
  • Product Version: 11.00.18362.1
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.

Possible Misuse

The following table contains possible examples of ie4uinit.exe being misused. While ie4uinit.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source Source File Example License
LOLBAS Ie4uinit.yml Name: Ie4uinit.exe  
LOLBAS Ie4uinit.yml - Command: ie4uinit.exe -BaseSettings  
LOLBAS Ie4uinit.yml Description: Executes commands from a specially prepared ie4uinit.inf file.  
LOLBAS Ie4uinit.yml - Path: c:\windows\system32\ie4uinit.exe  
LOLBAS Ie4uinit.yml - Path: c:\windows\sysWOW64\ie4uinit.exe  
LOLBAS Ie4uinit.yml - IOC: ie4uinit.exe copied outside of %windir%  
LOLBAS Ie4uinit.yml - IOC: ie4uinit.exe loading an inf file (ieuinit.inf) from outside %windir%  
malware-ioc nukesped_lazarus .IE4UINIT.exe``{:.highlight .language-cmhg} © ESET 2014-2018

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