Installer.exe

Installer

Sea Bug

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application Installer.exe by Sea Bug has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from j.wecan-software.com. While running, it connects to the Internet address www.ibbalance.com on port 443.
Publisher:
Sea Bug  (signed and verified)

Product:
Installer

Version:
1.0.0.0

MD5:
72c35c273d59f755492484f6c8649a81

SHA-1:
194ae237df77fa3c001c4ef432de4c89b83d04c9

SHA-256:
e406027889a7b322bb1b27d7add7015b73c32a994d6dc71642cfeef4c5af681c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/23/2024 11:36:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SeaBug.Installer (M)
16.6.13.11

File size:
201.1 KB (205,968 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2014

Original file name:
Installer.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\installer.exe

Digital Signature
Signed by:

Authority:
GoDaddy.com, Inc.

Valid from:
7/25/2014 3:59:04 PM

Valid to:
7/25/2015 3:59:04 PM

Subject:
CN=Sea Bug, O=Sea Bug, L=Orange, S=California, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
081CF04D6E5726

File PE Metadata
Compilation timestamp:
10/31/2014 8:03:29 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
3072:xgasMAeCC0E5K4REJ8r2TvtpC3hWtz3gebo0tigF0sX423elUb1D6gfSVF:xgfI0EM4CGr2TvzCR0DTb9iaC2OlYfSH

Entry address:
0x30D22

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:
6.6003

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

Code size:
187.5 KB (192,000 bytes)

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

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

TCP (HTTP):
Connects to www.softologic.com  (174.37.181.31:80)

TCP (HTTP SSL):
Connects to www.ibbalance.com  (173.192.190.227:443)

TCP (HTTP):

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