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dam_ay.exe

Xin Zhou

The executable dam_ay.exe has been detected as malware by 1 anti-virus scanner. This is a setup program which is used to install the application. The file has been seen being downloaded from d3g1g0k0wwnjag.cloudfront.net.
Publisher:
Xin Zhou  (signed and verified)

MD5:
365801befe9405487b07c4524799be17

SHA-1:
df2f1f35ed08f2f6cfcf34068d5eb46399e20dbe

SHA-256:
ee3f7b1681345d420e65405900d9f13c72acffcdc63e15402b0d4d8106440efc

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
10/14/2025 3:39:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.24.1

File size:
416.2 KB (426,232 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:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
11/4/2016 1:00:00 AM

Valid to:
3/23/2017 12:59:59 AM

Subject:
CN=Xin Zhou, 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:
3D50F36E24BBF7552E2B85DBBD2AECCC

File PE Metadata
Compilation timestamp:
11/10/2016 11:58:38 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:r19Djd/+n8ZovoHqtkjnZtB8Uma3kItUagAwEA3VcDz6/4QVePojgwSj:rLDjd/+8Zs/tkjn1Pma3RAVizxaePcSj

Entry address:
0x6F26

Entry point:
E8, FA, A6, FF, FF, E9, 19, 4D, 00, 00, 55, 8B, EC, E8, 52, AC, FF, FF, 8B, 80, 98, 00, 00, 00, 85, C0, 74, 0E, 8B, 4D, 08, 39, 08, 74, 0C, 8B, 40, 04, 85, C0, 75, F5, 33, C0, 40, 5D, C3, 33, C0, 5D, C3, 55, 8B, EC, DD, 45, 08, D9, EE, DD, E1, DF, E0, 57, F6, C4, 44, 7A, 09, DD, D9, 33, FF, E9, AF, 00, 00, 00, 56, 66, 8B, 75, 0E, 0F, B7, C6, A9, F0, 7F, 00, 00, 75, 7C, 8B, 4D, 0C, 8B, 55, 08, F7, C1, FF, FF, 0F, 00, 75, 04, 85, D2, 74, 6A, DE, D9, BF, 03, FC, FF, FF, DF, E0, F6, C4, 41, 75, 05, 33, C0, 40...
 
[+]

Code size:
365.5 KB (374,272 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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