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amz.exe

Xin Zhou

The application amz.exe by Xin Zhou has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from d3tufnia3qwp0y.cloudfront.net and multiple other hosts.
Publisher:
Xin Zhou  (signed and verified)

Version:
201605271834

MD5:
dc506745b9f57aa828d386ccda8bd48d

SHA-1:
e3772597133b8a98f8f101e34d14733d50293eff

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 4:31:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.XinZhou (M)
16.5.27.15

File size:
372.5 KB (381,424 bytes)

Product version:
201605271834

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\amz.exe

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
5/26/2016 3:00:00 AM

Valid to:
3/23/2017 2:59:59 AM

Subject:
CN=Xin Zhou, 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:
0519984DA10582EB6755A951B20EC637

File PE Metadata
Compilation timestamp:
5/27/2016 1:37:45 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:BnbBdx0R36lIy4oyqTcMd/yhWUPx/J8rMTHQzyGFAREhg/C/X6OSikoPXagCBWlb:BbBeyJyqS/J86Y5gejkQXaiCe

Entry address:
0x2D3DF

Entry point:
E8, 15, 8B, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, A0, D1, 45, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, C4, BB, 45, 00, 01, 0F, 82, 2E, 90, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2...
 
[+]

Entropy:
6.4214

Code size:
292 KB (299,008 bytes)

The file amz.exe has been seen being distributed by the following 7 URLs.

http://d3tufnia3qwp0y.cloudfront.net/.../nbybr_su.exe

http://d3tufnia3qwp0y.cloudfront.net/.../wsy_ly.exe

http://d3tufnia3qwp0y.cloudfront.net/.../nby_zc.exe

http://d3tufnia3qwp0y.cloudfront.net/.../ftp_ht.exe

http://d3tufnia3qwp0y.cloudfront.net/.../amz.exe

http://d3tufnia3qwp0y.cloudfront.net/.../clc_jq.exe

http://d3tufnia3qwp0y.cloudfront.net/.../isr_jq.exe

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