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dam_ay.exe

Tianjing Cheng

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:
Tianjing Cheng  (signed and verified)

MD5:
c93894dc60fa49151ef12b741bfcede5

SHA-1:
735a192e2db0ea9355f553235181a691d36fa4f4

SHA-256:
3fa7b7ef8374749853fe6dd6fa6f3986f84990786523e19e703590119839cf87

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/27/2024 8:47:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation (M)
17.1.24.3

File size:
414.5 KB (424,416 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:
Tianjing Cheng

Authority:
thawte, Inc.

Valid from:
1/16/2017 6:00:00 PM

Valid to:
7/12/2017 6:59:59 PM

Subject:
CN=Tianjing Cheng, 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:
055CE77FB0842829D7833596D6103559

File PE Metadata
Compilation timestamp:
1/18/2017 3:12:13 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x31A0

Entry point:
E8, 1B, 72, 00, 00, E9, 57, 9F, 00, 00, 55, 8B, EC, 8B, 45, 08, 56, 8B, F1, 83, 66, 04, 00, C7, 06, A0, DF, 45, 00, C6, 46, 08, 00, FF, 30, E8, 5E, 35, 00, 00, 8B, C6, 5E, 5D, C2, 04, 00, 55, 8B, EC, 56, 8B, F1, 8B, 4D, 08, 57, 8B, 7E, 10, 3B, F9, 72, 66, 8B, 55, 0C, 8B, C7, 2B, C1, 3B, C2, 77, 15, 83, 7E, 14, 10, 89, 4E, 10, 72, 04, 8B, 06, EB, 02, 8B, C6, C6, 04, 08, 00, EB, 3E, 85, D2, 74, 3A, 83, 7E, 14, 10, 72, 04, 8B, 06, EB, 02, 8B, C6, 2B, FA, 53, 8D, 1C, 08, 8B, C7, 2B, C1, 74, 0E, 50, 8D, 04, 13...
 
[+]

Entropy:
7.7928  (probably packed)

Code size:
367 KB (375,808 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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