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smartviewer.exe

Seyeon Tech Co., Ltd.

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from www.flexwatch.com.
Publisher:
Seyeon Tech Co., Ltd.  (signed and verified)

MD5:
c3b96a052f7ae4e826a16066642b3828

SHA-1:
d48986356ff7345d28d96c644d6ea6ffe9b228fc

SHA-256:
a3f64bda1895783425454ebcfc3a90172b884af3a2bd3d5f686ba1dcd69348b1

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/6/2024 1:16:54 AM UTC  (today)

File size:
4 MB (4,205,920 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\smartviewer.exe

Digital Signature
Signed by:
Seyeon Tech Co., Ltd.

Authority:
thawte, Inc.

Valid from:
2/2/2016 9:00:00 AM

Valid to:
1/25/2017 8:59:59 AM

Subject:
CN="Seyeon Tech Co., Ltd.", OU=IT Team, O="Seyeon Tech Co., Ltd.", L=Gangseo-gu, S=SEOUL, C=KR

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
0B3505A9BE023A4EEA34CFBE40D94014

File PE Metadata
Compilation timestamp:
12/27/2015 2:38:55 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:RknoT38t1MbtsDCBCNOq745pKJg84AjwnAkEXOLGbKjczyCzk:Rkno78ctklLblBc6GRCA

Entry address:
0x310D

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 57, 33, DB, 68, 01, 80, 00, 00, 89, 5C, 24, 1C, C7, 44, 24, 14, 88, 91, 40, 00, 33, F6, C6, 44, 24, 18, 20, FF, 15, B4, 70, 40, 00, FF, 15, B0, 70, 40, 00, 66, 3D, 06, 00, 74, 11, 53, E8, E4, 2D, 00, 00, 3B, C3, 74, 07, 68, 00, 0C, 00, 00, FF, D0, 68, 7C, 91, 40, 00, E8, 65, 2D, 00, 00, 68, 74, 91, 40, 00, E8, 5B, 2D, 00, 00, 68, 68, 91, 40, 00, E8, 51, 2D, 00, 00, 6A, 0D, E8, B4, 2D, 00, 00, 6A, 0B, E8, AD, 2D, 00, 00, A3, 44, EC, 42, 00, FF, 15, 34, 70, 40, 00, 53, FF...
 
[+]

Entropy:
7.9969

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file smartviewer.exe has been seen being distributed by the following URL.

http://www.flexwatch.com/app_link/download/.../SmartViewer.exe

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