dam_ay.exe

Yuanyuan Zhang

The application dam_ay.exe by Yuanyuan Zhang 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:
Yuanyuan Zhang  (signed and verified)

MD5:
bce763b33a293c6250c46fe5c42eb3f3

SHA-1:
6604edbccf34901cccdd98e13c420789c8b7d91f

SHA-256:
7aeda91c4d3baa74633b3ba072286731ef018377ab471de69bb69a06661f54e7

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
6/2/2024 2:20:02 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
16.11.23.20

File size:
417.2 KB (427,168 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
11/3/2016 8:00:00 AM

Valid to:
4/21/2017 7:59:59 AM

Subject:
CN=Yuanyuan Zhang, 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:
658A86E3C9F53340831B2B6A1056D8DE

File PE Metadata
Compilation timestamp:
11/8/2016 11:42:44 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:e9e3z+oHQg96/Cfa3WAD3eC7yxPZ5YCt7OTihRsmgVFFAGakN9vlXRB5XrbT3u:e9Gaou/r3BZmxrYC87muPjXRDbT+

Entry address:
0x99CC

Entry point:
E8, 45, F9, FF, FF, E9, C2, 29, 00, 00, B8, 94, 26, 46, 00, C3, 55, 8B, EC, 51, 9B, DD, 7D, FC, 0F, BF, 45, FC, 8B, E5, 5D, C3, 55, 8B, EC, 56, FF, 75, 08, 8B, F1, 83, 66, 10, 00, C7, 46, 14, 0F, 00, 00, 00, C6, 06, 00, E8, F6, 87, FF, FF, 59, 50, FF, 75, 08, 8B, CE, E8, EC, 86, FF, FF, 8B, C6, 5E, 5D, C2, 04, 00, 55, 8B, EC, 8B, 4D, 10, 8B, 45, 0C, 81, E1, FF, FF, F7, FF, 23, C1, 56, 8B, 75, 08, A9, E0, FC, F0, FC, 74, 24, 85, F6, 74, 0D, 6A, 00, 6A, 00, E8, 53, 7B, FF, FF, 59, 59, 89, 06, E8, D4, A9, FF...
 
[+]

Entropy:
7.8053  (probably packed)

Code size:
370.5 KB (379,392 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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