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damu_ay.exe

Yu Bao

The executable damu_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:
5f20367e64e5db99ef925c34ae0a95fa

SHA-1:
090741e7719c4b6e561184519ec64575d81b6685

SHA-256:
637661df804c667c699466b350ea04694e45b940065a713117b55d03b43be3e4

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/24/2024 6:33:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.29.3

File size:
413.2 KB (423,128 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Yu Bao

Authority:
thawte, Inc.

Valid from:
11/16/2016 10:00:00 PM

Valid to:
11/21/2017 9:59:59 PM

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:
61B528D05997B8CA693F5E31E637BE7E

File PE Metadata
Compilation timestamp:
11/10/2016 1:45:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:lNJX07VJ3b2t+RWa1a42jGdk0+F66zxbp:dXG3b2tsWf1H66z

Entry address:
0x580D

Entry point:
E8, B8, DD, FF, FF, E9, 96, 63, 00, 00, 55, 8B, EC, 6A, 00, FF, 75, 18, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 2F, 21, 00, 00, 83, C4, 18, 5D, C3, 55, 8B, EC, 56, 8B, 75, 08, 83, FE, FE, 77, 4D, 39, 71, 14, 73, 0B, FF, 71, 10, 56, E8, F3, 25, 00, 00, EB, 30, 80, 7D, 0C, 00, 74, 18, 83, FE, 10, 73, 13, 8B, 41, 10, 3B, F0, 73, 02, 8B, C6, 50, 6A, 01, E8, A6, 0E, 00, 00, EB, 12, 85, F6, 75, 0E, 21, 71, 10, 83, 79, 14, 10, 72, 02, 8B, 09, C6, 01, 00, 33, C0, 3B, C6, 5E, 1B, C0, F7, D8, 5D, C2, 08...
 
[+]

Code size:
365.5 KB (374,272 bytes)

The file damu_ay.exe has been seen being distributed by the following URL.

http://d3g1g0k0wwnjag.cloudfront.net/.../damu_ay.exe

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