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utilnewerversion.exe

Buzzyard

The application utilnewerversion.exe by Buzzyard has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Update Newer Version”.
Publisher:
Buzzyard  (signed and verified)

Version:
1.0.6215.31394

MD5:
7488e287060246ba1949be138177af21

SHA-1:
8a8d884192d73e42ae2eb2340f271072930d3d42

SHA-256:
356db28b235ea4474b5cb49bdfe0a3ae614fc410d26aaf4f6a7dc155695128e7

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/28/2024 5:58:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.1.7.6

File size:
649.9 KB (665,504 bytes)

Product version:
1.0.6215.31394

Original file name:
NewerVersion2017010701.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\newer version\bin\utilnewerversion.exe

Digital Signature
Signed by:
Buzzyard

Authority:
Symantec Corporation

Valid from:
10/21/2016 8:00:00 AM

Valid to:
10/22/2017 7:59:59 AM

Subject:
CN=Buzzyard, O=Buzzyard, L=San Diego, S=California, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
367BF67E20887DF3D94BBD1DC93AAEED

File PE Metadata
Compilation timestamp:
1/7/2017 9:26:35 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0xA245E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.2057

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
641.5 KB (656,896 bytes)

Service
Display name:
Update Newer Version

Type:
Win32OwnProcess


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to a23-212-109-145.deploy.static.akamaitechnologies.com  (23.212.109.145:80)

TCP (HTTP):
Connects to a104-83-195-118.deploy.static.akamaitechnologies.com  (104.83.195.118:80)

TCP (HTTP):
Connects to a84-53-132-171.deploy.akamaitechnologies.com  (84.53.132.171:80)

TCP (HTTP):
Connects to a84-53-133-24.deploy.akamaitechnologies.com  (84.53.133.24:80)

TCP (HTTP):
Connects to a88-221-14-8.deploy.akamaitechnologies.com  (88.221.14.8:80)

TCP (HTTP):
Connects to a23-38-32-183.deploy.static.akamaitechnologies.com  (23.38.32.183:80)

TCP (HTTP):
Connects to a104-69-63-139.deploy.static.akamaitechnologies.com  (104.69.63.139:80)

TCP (HTTP):
Connects to a23-34-190-184.deploy.static.akamaitechnologies.com  (23.34.190.184:80)

TCP (HTTP):
Connects to a23-64-24-41.deploy.static.akamaitechnologies.com  (23.64.24.41:80)

TCP (HTTP):
Connects to a23-212-109-163.deploy.static.akamaitechnologies.com  (23.212.109.163:80)

TCP (HTTP):
Connects to a69-192-65-141.deploy.akamaitechnologies.com  (69.192.65.141:80)

TCP (HTTP):
Connects to a23-201-102-80.deploy.static.akamaitechnologies.com  (23.201.102.80:80)

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