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yomz.exe

Tianjing Cheng

The executable yomz.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 dgkytklfjrqkb.cloudfront.net.
Publisher:
Tianjing Cheng  (signed and verified)

MD5:
179b46022c0dde8977f957db129f3e83

SHA-1:
889ac91242007594295deb7317ca669264550513

SHA-256:
67a0c9cd7759f1a2c2cb8aa9e740dd5e180064dd98a199c6b65ec0f483bd028d

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/15/2024 7:13:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation (M)
16.8.23.2

File size:
447.3 KB (458,056 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\yomz.exe

Digital Signature
Signed by:
Tianjing Cheng

Authority:
thawte, Inc.

Valid from:
8/17/2016 9:00:00 PM

Valid to:
7/12/2017 8:59:59 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:
39EF032ECA9B0B73B637925D9418E0AF

File PE Metadata
Compilation timestamp:
8/21/2016 11:44:22 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:2VayM6zBhxlU4yTvN3/YwO8V+c7+0kN84vXYU24:2BZqvV/UO+B/N84Px24

Entry address:
0x4CA0

Entry point:
E8, 3E, 32, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, 57, 56, 8B, 74, 24, 10, 8B, 4C, 24, 14, 8B, 7C, 24, 0C, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, 68, 03, 00, 00, 0F, BA, 25, FC, 96, 41, 00, 01, 73, 07, F3, A4, E9, 17, 03, 00, 00, 81, F9, 80, 00, 00, 00, 0F, 82, CE, 01, 00, 00, 8B, C7, 33, C6, A9, 0F, 00, 00, 00, 75, 0E, 0F, BA, 25, 88, 81, 41, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, FC, 96, 41, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03, 00, 00, 00, 0F, 85, B8, 01, 00, 00...
 
[+]

Code size:
62.5 KB (64,000 bytes)

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

http://dgkytklfjrqkb.cloudfront.net/.../yomz.exe

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