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damu_ay.exe

Beijing Caiyunshidai Technology Co., Ltd.

The application damu_ay.exe by Beijing Caiyunshidai Technology Co. 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:
Beijing Caiyunshidai Technology Co., Ltd.  (signed and verified)

MD5:
a329ff1f9a0eb65edd1578633ec3ca1d

SHA-1:
f7b61be7d86c537a60203d2506961c7c5b7b16f6

SHA-256:
4b227da4b61727e3ca7ee331c3aa7e64401df04282174417c5751da05b0ed94b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/30/2024 9:24:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.ELEX.SpeedSearch (M)
17.1.28.22

File size:
410.6 KB (420,416 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:
Beijing Caiyunshidai Technology Co., Ltd.

Authority:
thawte, Inc.

Valid from:
1/17/2017 6:00:00 PM

Valid to:
3/3/2017 5:59:59 PM

Subject:
CN="Beijing Caiyunshidai Technology Co., Ltd.", O="Beijing Caiyunshidai Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
35A3091866A7905AF1E3E625AD3C5875

File PE Metadata
Compilation timestamp:
1/18/2017 2:42:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x3C10

Entry point:
E8, 59, 3A, 00, 00, E9, C7, 93, 00, 00, B8, 88, 16, 46, 00, C3, 56, 57, FF, 15, 54, D0, 45, 00, FF, 35, 28, 45, 46, 00, 8B, F8, E8, 60, 68, 00, 00, 8B, F0, 59, 85, F6, 75, 47, 68, BC, 03, 00, 00, 6A, 01, E8, 19, 02, 00, 00, 8B, F0, 59, 59, 85, F6, 74, 33, 56, FF, 35, 28, 45, 46, 00, E8, 0E, F1, FF, FF, 59, 59, 85, C0, 74, 18, 6A, 00, 56, E8, 48, 5E, 00, 00, 59, 59, FF, 15, 88, D0, 45, 00, 83, 4E, 04, FF, 89, 06, EB, 09, 56, E8, A2, D6, FF, FF, 59, 33, F6, 57, FF, 15, 84, D0, 45, 00, 5F, 8B, C6, 5E, C3, 55...
 
[+]

Entropy:
7.7909  (probably packed)

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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