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est_w.exe

簡単セットアップツール

NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION

This is a setup program which is used to install the application. The file has been seen being downloaded from file-info.v4flets-west.jp and multiple other hosts.
Publisher:
西日本電信電話株式会社  (signed by NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION)

Product:
簡単セットアップツール

Version:
ver.west1.0.5.0

MD5:
b87c118414ece328f3e372c2e9e6099d

SHA-1:
45bcd0e71864310e12424cfdd8ca57b6ac1f8976

SHA-256:
15aa921310700d84b8ff29df2147bb9775253fc7831d042100ff45cce27f52ed

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/17/2024 2:06:44 PM UTC  (today)

File size:
3.1 MB (3,238,776 bytes)

Product version:
1.0.5.0

Copyright:
Copyright (C) 2015 西日本電信電話株式会社

Original file name:
est_w.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\ProgramData\application data\nttw\pcsetuptoolpackages\est_w.exe

Digital Signature
Signed by:
NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION

Authority:
VeriSign, Inc.

Valid from:
8/20/2014 9:00:00 AM

Valid to:
9/16/2015 8:59:59 AM

Subject:
CN=NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION, OU=research and development center, O=NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION, L=Osaka-shi, S=Osaka, C=JP

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
16DA70E1165B966C732C7BEB9A301349

File PE Metadata
Compilation timestamp:
5/22/2007 1:59:14 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
5.0

CTPH (ssdeep):
98304:t3oz6VhmRm1lULc13xrJN5tZyvzPjwYc0YcTcq/X7:t3oKgI0ixNN7ZOzLwATcqf7

Entry address:
0x1000

Entry point:
E8, 2F, 2B, 00, 00, 50, E8, 3F, 31, 01, 00, 00, 00, 00, 00, 90, 55, 8B, EC, 53, 56, 57, 8B, 7D, 10, 8B, 5D, 0C, 8B, 75, 08, 8B, D3, FF, 75, 14, 68, E1, 50, 41, 00, 6A, 00, 6A, 00, 8B, C6, 8B, CF, E8, 52, 47, 00, 00, 81, EB, 10, 01, 00, 00, 74, 05, 4B, 74, 14, EB, 57, FF, 75, 14, 6A, 66, 56, E8, 9E, 33, 01, 00, B8, 01, 00, 00, 00, EB, 47, 66, 81, E7, FF, FF, 66, FF, CF, 74, 07, 66, FF, CF, 74, 23, EB, 30, 68, 80, 00, 00, 00, 68, A4, 69, 41, 00, 6A, 65, 56, E8, E4, 32, 01, 00, 6A, 01, 56, E8, BE, 32, 01, 00...
 
[+]

Entropy:
7.9930  (probably packed)

Code size:
80 KB (81,920 bytes)

The file est_w.exe has been seen being distributed by the following 2 URLs.

http://file-info.v4flets-west.jp/contents/fest/.../est_w.exe

http://file-info.flets-west.jp/contents/fest/.../est_w.exe

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