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dam_ay.exe

Yu Bao

The application dam_ay.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. This is a setup program which is used to install the application. The file has been seen being downloaded from d3g1g0k0wwnjag.cloudfront.net.
Publisher:
Yu Bao  (signed and verified)

Version:
201606221144

MD5:
5818e94a7fab99636904d6bf606d7b71

SHA-1:
2457b93451f1528bbba23fdd043eaa8d75a5b986

SHA-256:
137ade849a82b64efc56f9f9e33383458fbfc73d8549530b8c4e81ab677a6caa

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/6/2025 6:44:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.YuBao (M)
16.7.11.3

File size:
388.3 KB (397,600 bytes)

Product version:
201606221144

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Yu Bao

Authority:
thawte, Inc.

Valid from:
6/16/2016 2:00:00 AM

Valid to:
1/22/2017 12:59:59 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:
6/22/2016 5:50:35 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:8hjXG4SH35BCN611+DzsYT+JdJt7iRA0FOiFGVpEKOYCa:8NXG4SH35BCN611GzR8dPWAuHAEKua

Entry address:
0x2E59F

Entry point:
E8, 55, 9C, 00, 00, E9, 7F, FE, FF, FF, 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, A8, 11, 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, F8, F2, 45, 00, 01, 0F, 82, 6E, 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, 8B, CA, 83, E2...
 
[+]

Code size:
305.5 KB (312,832 bytes)

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

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

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