kos_setup.exe

Kings Online Security

Kings Information & Network 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 kings.nefficient.co.kr.
Publisher:
Kings Information & Network Co., Ltd.  (signed and verified)

Product:
Kings Online Security

Description:
Kings Online Security Setup

Version:
1.0.0.2

MD5:
863f81576a814a202b00c6ef0d27cbeb

SHA-1:
02254d4a356f194119d887c343c165a38e567430

SHA-256:
181614be2799a6841eee125693268fe61884f9eafac85d4790ca0c8b06ffecbe

Scanner detections:
2 / 68

Status:
Clean  (2 probable false positive detections)

Explanation:
These detections are probably false positives (erroneous), the file is probably malware free.

Analysis date:
4/24/2024 11:31:28 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Dr.Web
DLOADER.Trojan
9.0.1.0281

Rising Antivirus
PE:Malware.RDM.31!5.25[F1]
23.00.65.151006

File size:
4.5 MB (4,749,296 bytes)

Product version:
1.0.0.2

Copyright:
Copyright(c) 2015 Kings Information & Network Co., Ltd.

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}\kos_setup.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
9/1/2014 9:00:00 AM

Valid to:
11/1/2015 8:59:59 AM

Subject:
CN="Kings Information & Network Co., Ltd.", O="Kings Information & Network Co., Ltd.", L=Hanamsi, S=Gyeonggido, C=KR

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:
4D3F231CB08FC0FDB4D1FAB0ED403F54

File PE Metadata
Compilation timestamp:
2/25/2012 4:19:59 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:gOunWZkKd9NdzBJi0lISz0ZUYirP5B4KZIHI3ShaDpNSnmqultzj5ZA:XfzBqSYanhI9n/ufj7A

Entry address:
0x39E3

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, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9958

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

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

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