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ism_zt.exe

Yu Bao

The application ism_zt.exe by Yu Bao 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 113.171.224.203 and multiple other hosts.
Publisher:
Yu Bao  (signed and verified)

Version:
201606241130

MD5:
e2ddc50b7db0134e21382ef0ce490bea

SHA-1:
eec96e3e4ade2320cc90bde25bee8faa0076a8db

SHA-256:
8903c88205ff13d6ac3d3809d32e158c5b07dccb05a21ba4f5386f2121c409c4

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/6/2025 6:44:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.YuBao (M)
16.6.24.15

File size:
385.1 KB (394,360 bytes)

Product version:
201606241130

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Yu Bao

Authority:
thawte, Inc.

Valid from:
6/16/2016 3:00:00 AM

Valid to:
1/22/2017 2:59:59 AM

Subject:
CN=Yu Bao, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

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

Serial number:
6C7BFE9C26693D30D2553073CF4026B8

File PE Metadata
Compilation timestamp:
6/24/2016 6:45:27 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:wQG2eY5qHPO55nAC7yoS1LDdlUwWbniO8jx+gEcAOBsSwy:wQG2eY5SI5nACU1TUfLPgEROBYy

Entry address:
0x2DF3B

Entry point:
E8, FB, 9B, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 2C, 08, 46, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, 68, E4, 45, 00, 01, 0F, 82, 10, A1, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1...
 
[+]

Entropy:
6.4741

Code size:
304 KB (311,296 bytes)

The file ism_zt.exe has been seen being distributed by the following 2 URLs.

http://113.171.224.203/.../ism_zt.exe

http://d3g1g0k0wwnjag.cloudfront.net/.../ism_zt.exe

Remove ism_zt.exe - Powered by Reason Core Security
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