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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:
451298b451bbd42d5b0c1a34884b26e6

SHA-1:
445b1a07c6bb6fc06234097dc9a3b1edcc69b179

SHA-256:
26a5fc0f90e6ee29a009df08f162dc184b378951ca35f227fd8054de00ecbfce

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/15/2024 9:01:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation (M)
17.2.6.3

File size:
415.4 KB (425,408 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:
1/22/2017 12:00:00 AM

Valid to:
7/12/2017 11:59:59 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:
6A613CE6DAE33EE23E3053055DFF85DD

File PE Metadata
Compilation timestamp:
1/19/2017 2:14:55 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x645A

Entry point:
E8, 72, 4A, 00, 00, E9, FE, 5C, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 55, 8B, EC, 83, EC, 40, A1, 00, 50, 46, 00, 33, C5, 89, 45, FC, 53, 56, 89, 55, DC, BE, 6D, 4A, 42, 47, BA, 65, 46, 74, 41, 89, 75, E4, 0F, B7, DA, B9, 48, 63, 59, 57, 89, 5D, D4, 57, BF, 4E, 49, 79, 66, 89, 4D, E0, 89, 7D, E8, 66, 8B, 5D, EA, 89, 5D, D8, 66, 8B, DF, 89, 5D, D0, 66, 8B, 5D, E6, 89, 5D, C4, 66, 8B, DE, 66, 8B, F1, 89, 55, EC, 66, 8B, 45, EE, 89, 5D, C0, 66, 8B, 5D, E2, C7, 45, C8, 07, 00, 00, 00, 89, 75...
 
[+]

Entropy:
7.8036  (probably packed)

Code size:
370 KB (378,880 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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