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caribooa.exe

yssoft

The application caribooa.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:
669004b2e837e042e1b166fb27d68717

SHA-1:
75c3f67ab7a26231d44bf16417616bdacc98749a

SHA-256:
9d4f354cc43fee9b5cdba0662d7868c2a9487b3af74e1339a9a1e08ff796f045

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:
11/27/2024 2:11:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.yssoft (M)
16.4.26.20

File size:
3.3 MB (3,509,944 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\cariboo\caribooa.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:
3/24/2016 5:06:32 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
98304:thfUzeK8OyLD+7LkN+UEIC8VL4qIEylH+b/zyCFLOAkGkzdnEVomFHKnPTK:1OembUGH+b/uCFLOyomFHKnPTK

Entry address:
0x14C1AD

Entry point:
E8, 58, 07, 00, 00, E9, 80, FE, FF, FF, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, F2, C3, 8B, 4D, F0, 33, CD, F2, E8, 5A, F5, FF, FF, F2, E9, DA, FF, FF, FF, 8B, 4D, EC, 33, CD, F2, E8, 49, F5, FF, FF, F2, E9, C9, FF, FF, FF, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 74, 4E, 5D, 00, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24...
 
[+]

Entropy:
7.0895

Code size:
1.5 MB (1,561,088 bytes)

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

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

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