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nbyco_zw.exe

Beijing Caiyunshidai Technology Co., Ltd.

The application nbyco_zw.exe by Beijing Caiyunshidai Technology Co. has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from d11m2p9mpffp32.cloudfront.net.
Publisher:
Beijing Caiyunshidai Technology Co., Ltd.  (signed and verified)

Version:
201606201510

MD5:
e85fe245735e6996ca20f324c22114c3

SHA-1:
b7572ada0be7764ef2eee39fe854c831214a7027

SHA-256:
1c76d6ff15db7d9e9a85c0f7243acfd8f802f4e5ebecc8fe7e6eb782ddefbe0f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/24/2024 4:26:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.ELEX.SpeedSearch.Meta (M)
16.6.22.0

File size:
404.5 KB (414,256 bytes)

Product version:
201606201510

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\nbyco_zw.exe

Digital Signature
Signed by:
Beijing Caiyunshidai Technology Co., Ltd.

Authority:
thawte, Inc.

Valid from:
6/6/2016 7:00:00 PM

Valid to:
3/3/2017 6:59:59 PM

Subject:
CN="Beijing Caiyunshidai Technology Co., Ltd.", O="Beijing Caiyunshidai Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

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

Serial number:
79C5326F99F94934841897F54208D7B3

File PE Metadata
Compilation timestamp:
6/20/2016 2:11:09 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:L1WA/e6OUIV3nPOXTaZFTOJxkTXRBfCXPvV3cyPPjpz:hWA/e6OUIdnbZkjkTvCF3cgdz

Entry address:
0x30D1B

Entry point:
E8, 24, 89, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, FF, 15, 58, 11, 45, 00, 6A, 01, A3, D4, 51, 46, 00, E8, 71, 8E, 00, 00, FF, 75, 08, E8, 06, 8E, 00, 00, 83, 3D, D4, 51, 46, 00, 00, 59, 59, 75, 08, 6A, 01, E8, 57, 8E, 00, 00, 59, 68, 09, 04, 00, C0, E8, D4, 8D, 00, 00, 59, 5D, C3, 55, 8B, EC, 81, EC, 24, 03, 00, 00, 6A, 17, E8, 1A, 51, 01, 00, 85, C0, 74, 05, 6A, 02, 59, CD, 29, A3, B8, 4F, 46, 00, 89, 0D, B4, 4F, 46, 00, 89, 15, B0, 4F, 46, 00, 89, 1D, AC, 4F, 46, 00, 89, 35, A8, 4F, 46, 00, 89, 3D, A4...
 
[+]

Code size:
317.5 KB (325,120 bytes)

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

http://d11m2p9mpffp32.cloudfront.net/.../nbyco_zw.exe

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