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luckytoolb.exe

yssoft

The application luckytoolb.exe, “LuckyTool Application” by yssoft has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from down.luckytool.net.
Publisher:
luckytool  (signed by yssoft)

Product:
luckytool

Description:
LuckyTool Application

Version:
1.0.0.1

MD5:
9f7dd186678a194d4ef220058d595888

SHA-1:
b3bd6d7c6dfebc76df5c64ec19ea94bbe23b96dd

SHA-256:
1ab1cd5f98b61a68a722b962087d349d35b9a3d63757bf72b04ca5aba2f0c69f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/28/2024 3:50:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.yssoft (M)
16.4.21.22

File size:
3.5 MB (3,621,560 bytes)

Product version:
1.0.0.1

Copyright:
Copyright (C) 2014 luckytool

Original file name:
luckytool

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\luckytool\luckytoolb.exe

Digital Signature
Signed by:
yssoft

Authority:
thawte, Inc.

Valid from:
3/24/2016 9:00:00 AM

Valid to:
5/24/2018 8:59:59 AM

Subject:
CN=yssoft, O=yssoft, L=Chilgok-gun, S=Gyeongsangbuk-do, C=KR

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

Serial number:
4FFD8833DCF52D25418DA64CD58D741A

File PE Metadata
Compilation timestamp:
9/18/2014 5:47:45 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
98304:AUqdxVhH7s2Z9z8o0UIx1+4HiL7c8HFLOAkGkzdnEVomFHKnPUK:ALjbFZkD+4HiL7c8HFLOyomFHKnPN

Entry address:
0x1325BB

Entry point:
E8, FF, BD, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, C0, 4B, 5A, 00, E8, FF, 12, 00, 00, E8, E5, 9D, 00, 00, 0F, B7, F0, 6A, 02, E8, 92, BD, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 71, 5A, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.8036

Code size:
1.4 MB (1,420,800 bytes)

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

http://down.luckytool.net/.../luckytoolb.exe

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