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yessign7install.exe

Korea Financial Telecommunications & Clearings Institute

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from www.payinfo.or.kr and multiple other hosts.
Publisher:
Korea Financial Telecommunications & Clearings Institute  (signed and verified)

MD5:
7e55ac129661963b0d35f6c0fd7d15bc

SHA-1:
b998fab3ff48f2dfb661e6fcea3af2f75fd6a161

SHA-256:
377a8ed6729c79ac8230ce6f4a6c7a735aef474dbd55904f9164f576cc90a635

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/7/2024 1:58:52 PM UTC  (today)

File size:
1 MB (1,056,320 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\yessign7install.exe

Digital Signature
Signed by:
Korea Financial Telecommunications & Clearings Institute

Authority:
Symantec Corporation

Valid from:
11/24/2015 9:00:00 AM

Valid to:
11/24/2017 8:59:59 AM

Subject:
CN=Korea Financial Telecommunications & Clearings Institute, O=Korea Financial Telecommunications & Clearings Institute, L=Gangnam-gu, S=Seoul, C=KR

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
60B2826E72A15337E0BF0928C011B98E

File PE Metadata
Compilation timestamp:
2/25/2012 4:20:04 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:oXFlQzk6arNLMztgZMbc2OWmxBj/JHBFTnTl5JDarKm:muRarNMzSOITBdnTh4Km

Entry address:
0x38AF

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, EA, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, A2, 40, 00, FF, 15, 84, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, 18, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Entropy:
7.9477

Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

The file yessign7install.exe has been seen being distributed by the following 2 URLs.

https://www.payinfo.or.kr/.../yessign7Install.exe

https://www.yessign.or.kr/.../yessign7Install.exe

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