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dam_ay.exe

Yu Bao

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:
Yu Bao  (signed and verified)

MD5:
948516b9fc2df6f17edb70bbe4d73c40

SHA-1:
efc68a0d4182be8e3764882df6b45f88c0a45d68

SHA-256:
ac495904a74425687bccac4d728e7692e2138a75d71a6f01be99b2e3a6bcbe35

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/23/2024 11:10:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.18.23

File size:
407.7 KB (417,528 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:
Yu Bao

Authority:
thawte, Inc.

Valid from:
12/13/2016 2:00:00 AM

Valid to:
11/22/2017 1:59:59 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:
43BB3BE4712D02B17D447D6D9B50507C

File PE Metadata
Compilation timestamp:
12/11/2016 4:24:26 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x64B8

Entry point:
E8, 18, AE, FF, FF, E9, 4B, 61, 00, 00, 6A, 08, 68, 90, 20, 46, 00, E8, C2, 66, 00, 00, 83, 3D, 1C, 4E, 46, 00, 00, 75, 18, E8, 09, 2B, 00, 00, 6A, 1E, E8, 9D, CD, FF, FF, 68, FF, 00, 00, 00, E8, 30, 04, 00, 00, 59, 59, 8B, 7D, 08, 33, DB, 39, 1C, FD, 60, 3A, 46, 00, 75, 5C, 6A, 18, E8, B4, C2, FF, FF, 59, 8B, F0, 85, F6, 75, 0F, E8, 32, E6, FF, FF, C7, 00, 0C, 00, 00, 00, 33, C0, EB, 42, 6A, 0A, E8, 02, E9, FF, FF, 59, 89, 5D, FC, 39, 1C, FD, 60, 3A, 46, 00, 75, 18, 53, 68, A0, 0F, 00, 00, 56, E8, BA, 1B...
 
[+]

Entropy:
7.7911  (probably packed)

Code size:
363 KB (371,712 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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