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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:
41d13429228cb63da46144f218493c27

SHA-1:
f9923f31c207f00e82affbb8d19da513788753f6

SHA-256:
66b0141a4ceddfd1eb56df89d7dc802e402e308ccc2f12421355f481397f4c20

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
5/6/2025 11:50:39 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.1.2.1

File size:
403.4 KB (413,096 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:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
12/14/2016 2:00:00 AM

Valid to:
3/23/2017 1:59:59 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:
3975CA38C58455C8411CAB1D133B35BD

File PE Metadata
Compilation timestamp:
12/11/2016 4:05:17 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x351A

Entry point:
E8, AA, 46, 00, 00, E9, 09, 7F, 00, 00, 33, C0, 50, 50, 6A, 03, 50, 6A, 03, 68, 00, 00, 00, 40, 68, 1C, F6, 45, 00, FF, 15, 04, B1, 45, 00, A3, C8, 31, 46, 00, C3, 55, 8B, EC, 8B, 55, 08, 85, D2, 0F, 84, 8E, 00, 00, 00, 53, 56, 83, CE, FF, 57, 8B, C6, F0, 0F, C1, 02, 8B, 4A, 78, 85, C9, 74, 06, 8B, C6, F0, 0F, C1, 01, 8B, 8A, 80, 00, 00, 00, 85, C9, 74, 06, 8B, C6, F0, 0F, C1, 01, 8B, 4A, 7C, 85, C9, 74, 06, 8B, C6, F0, 0F, C1, 01, 8B, 8A, 88, 00, 00, 00, 85, C9, 74, 06, 8B, C6, F0, 0F, C1, 01, 6A, 06, 8D...
 
[+]

Code size:
358.5 KB (367,104 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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