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dam_ay.exe

Ding Ruan

The application dam_ay.exe by Ding Ruan 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:
Ding Ruan  (signed and verified)

MD5:
c035535c2b36b70b7add50799c5684ac

SHA-1:
4d61c1f9bc729ebefe068fad6342adcea57255b8

SHA-256:
5a2bfa197f12445fcd702680916b78d54e92a0a910205f09f80f36a6e4070b3b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
7/31/2025 1:48:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.10.12.13

File size:
409.5 KB (419,288 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\dam_ay.exe

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
9/28/2016 7:00:00 AM

Valid to:
4/14/2017 6:59:59 AM

Subject:
CN=Ding Ruan, 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:
71E7658468D29367296A74F17571A3AF

File PE Metadata
Compilation timestamp:
10/9/2016 4:32:50 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:inC5E0MTf1/xRsrUDxmyGZnN0GFmEq6ILwlQE0NNls4ILDmpAdTW1pc:gC5Du1DeU4yanGUXOLNH8LKka3c

Entry address:
0x893C

Entry point:
E8, 80, 1A, 00, 00, E9, 3D, 39, 00, 00, 55, 8B, EC, 83, 3D, 64, CD, 45, 00, 00, 74, 19, 68, 64, CD, 45, 00, E8, 84, CF, FF, FF, 59, 85, C0, 74, 0A, FF, 75, 08, FF, 15, 64, CD, 45, 00, 59, E8, 90, AA, FF, FF, 68, 88, C1, 45, 00, 68, 70, C1, 45, 00, E8, 44, CD, FF, FF, 59, 59, 85, C0, 75, 43, 68, A3, 16, 40, 00, E8, B0, A7, FF, FF, C7, 04, 24, 6C, C1, 45, 00, 68, 5C, C1, 45, 00, E8, 5A, 3A, 00, 00, 83, 3D, 48, 91, 46, 00, 00, 59, 59, 74, 1B, 68, 48, 91, 46, 00, E8, 2B, CF, FF, FF, 59, 85, C0, 74, 0C, 6A, 00...
 
[+]

Entropy:
7.8031  (probably packed)

Code size:
360.5 KB (369,152 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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