xw_install.exe

SoftForum Co. LTD.

The program is a setup application that uses the WinZip SFX installer. The file has been seen being downloaded from www.ei.go.kr and multiple other hosts.
Publisher:
SoftForum Co. LTD.  (signed and verified)

MD5:
7e4db8bf800e82f1c9f2db6b940a6f12

SHA-1:
835e5d05e9a22b718442b952c4d016711f8fc082

SHA-256:
fab47f186a11a1730e25f2979bdbadf922e366b2dfbfeeeaa24e83879b474eaa

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:
10/19/2018 7:10:21 PM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.Clodb47.Trojan
1.3.0.4959

Rising Antivirus
PE:Trojan.Win32.Generic.1345DF41!323346241
23.00.65.14421

File size:
3.7 MB (3,861,488 bytes)

File type:
Executable application (Win32 EXE)

Installer:
WinZip SFX

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
5/11/2012 9:00:00 AM

Valid to:
8/11/2013 8:59:59 AM

Subject:
CN=SoftForum Co. LTD., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SoftForum Co. LTD., L=Seongnam-si, S=Gyeonggi-do, 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:
2DDC072D6D5D66D47641C8F4869A0901

File PE Metadata
Compilation timestamp:
1/9/2001 11:09:05 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
5.10

CTPH (ssdeep):
98304:S5G3kNbVk0NFfCznPSo982L+XLMXegN8oX7:S5GMke16Pb98U+X/BoX7

Entry address:
0x3F8F

Entry point:
53, FF, 15, 4C, 70, 40, 00, B3, 22, 38, 18, 74, 03, 80, C3, FE, 8A, 48, 01, 40, 33, D2, 3A, CA, 74, 0A, 3A, CB, 74, 06, 8A, 48, 01, 40, EB, F2, 38, 10, 74, 01, 40, 52, 50, 52, 52, FF, 15, 50, 70, 40, 00, 50, E8, 9E, F3, FF, FF, 50, FF, 15, 54, 70, 40, 00, 5B, C3, 8B, 44, 24, 04, 8B, 40, 3C, 05, F8, 00, 00, 00, C3, 55, 8B, EC, 51, A1, 88, 94, 40, 00, 83, 0D, 00, 93, 40, 00, FF, 56, 33, F6, 39, 35, 40, 8E, 40, 00, 89, 35, 34, 94, 40, 00, 89, 35, 84, 94, 40, 00, A3, 24, 97, 40, 00, 75, 05, E8, 9D, D2, FF, FF...
 
[+]

Entropy:
7.9980

Packer / compiler:
WinZip, 0x32-bit SFX v8.x module

Code size:
21.5 KB (22,016 bytes)

The file xw_install.exe has been seen being distributed by the following 20 URLs.

https://www.ei.go.kr/ei/js/.../xw_install.exe

https://open.ibk.co.kr/ibs/XecureObject/.../xw_install.exe

http://www.gyo6.net/.../xw_install.exe

http://portal.mohw.go.kr/.../xw_install_v7258.exe

http://gcc.nefficient.co.kr/gcc/vista/xecureweb/.../xw_install.exe

Scan xw_install.exe - Powered by Reason Core Security