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1stbrowser.exe

Installer

SIEN SA

The application 1stbrowser.exe by SIEN SA has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address www.ibbalance.com on port 443.
Publisher:
SIEN  (signed by SIEN SA)

Product:
Installer

Version:
3.48.3.2

MD5:
b62190e0c9c43d87847c1bb4cc090096

SHA-1:
a566ddbf0ecfa1ef74f78b9b278e705a931517d9

SHA-256:
f7fde0bdea9e35fa016b61fd5d24ed33dc89890c92ea63e6586c54a4ee7afea1

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/16/2024 4:34:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
17.3.16.13

File size:
3.7 MB (3,832,456 bytes)

Product version:
3.48.3.2

Copyright:
Copyright (C) 2015

Original file name:
Installer.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\1stbrowser.exe

Digital Signature
Signed by:
SIEN SA

Authority:
GlobalSign nv-sa

Valid from:
9/14/2015 4:35:56 PM

Valid to:
9/14/2016 4:35:56 PM

Subject:
CN=SIEN SA, O=SIEN SA, L=Paris, C=FR

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11213DB3C4AD369B17F720086E1BBB7BB700

File PE Metadata
Compilation timestamp:
11/25/2015 5:58:00 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x2092F1

Entry point:
E8, 55, 3E, 02, 00, E9, 39, FE, FF, FF, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, C3, 8B, 4D, F0, 33, CD, E8, EB, AB, FF, FF, E9, DD, FF, FF, FF, 8B, 4D, EC, 33, CD, E8, DC, AB, FF, FF, E9, CE, FF, FF, FF, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 90, 24, 72, 00, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53...
 
[+]

Entropy:
6.4558

Code size:
2.5 MB (2,642,432 bytes)

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)

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