yomz.exe

Yu Bao

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:
Yu Bao  (signed and verified)

MD5:
7dc3f79ca5d2fd568a7f5b8ca509c50f

SHA-1:
83b130fe901a7bd262047098f53893df2f5eb09c

SHA-256:
4b0ceb16ff9b41e6573d4b738b1c24279802ccb9d3167b06e3e701a9dcd4f556

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/24/2024 7:01:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.26.21

File size:
400.2 KB (409,848 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\yomz.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
12/20/2016 2:00:00 AM

Valid to:
11/22/2017 1:59:59 AM

Subject:
CN=Yu Bao, 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:
1D3674A5213BF2E51F2E183E408F80E6

File PE Metadata
Compilation timestamp:
12/11/2016 5:44:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x760A

Entry point:
E8, F5, F0, FF, FF, E9, 44, 44, 00, 00, 55, 8B, EC, 83, EC, 10, 57, FF, 75, 0C, 8D, 4D, F0, E8, 37, 25, 00, 00, 8B, 55, 08, 8B, 7D, F0, 8A, 0A, 84, C9, 74, 15, 8B, 87, 84, 00, 00, 00, 8B, 00, 8A, 00, 3A, C8, 74, 07, 42, 8A, 0A, 84, C9, 75, F5, 8A, 02, 42, 84, C0, 74, 34, EB, 09, 3C, 65, 74, 0B, 3C, 45, 74, 07, 42, 8A, 02, 84, C0, 75, F1, 56, 8B, F2, 4A, 80, 3A, 30, 74, FA, 8B, 87, 84, 00, 00, 00, 8B, 08, 8A, 02, 3A, 01, 75, 01, 4A, 8A, 06, 42, 46, 88, 02, 84, C0, 75, F6, 5E, 80, 7D, FC, 00, 5F, 74, 07, 8B...
 
[+]

Entropy:
7.8223  (probably packed)

Code size:
357.5 KB (366,080 bytes)

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

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

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