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e8c58780-8cab-403c-9762-3c8c0e937bbe.exe

BoBrowser Installer

ClaraLabSoftware

The application e8c58780-8cab-403c-9762-3c8c0e937bbe.exe by ClaraLabSoftware has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from vzbucket.clara-labs.com.
Publisher:
The BoBrowser Authors  (signed by ClaraLabSoftware)

Product:
BoBrowser Installer

Version:
42.0.2311.111

MD5:
75f7679dc995fe4c31decc079d055a38

SHA-1:
20c2de5b2c997aca9e8318f553d825e61a44dcce

SHA-256:
5bc1bfc663567405e5699ad64471048cf177c9a4628c44608fc752797f1ac629

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/18/2024 3:13:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ClaraLabSoftware.Installer (M)
15.10.15.2

File size:
39 MB (40,873,080 bytes)

Product version:
42.0.2311.111

Copyright:
Copyright 2014 The BoBrowser Authors. All rights reserved.

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\e8c58780-8cab-403c-9762-3c8c0e937bbe.exe

Digital Signature
Signed by:
ClaraLabSoftware

Authority:
GlobalSign nv-sa

Valid from:
1/19/2015 10:40:38 PM

Valid to:
1/20/2016 10:40:38 PM

Subject:
CN=ClaraLabSoftware, O=ClaraLabSoftware, L=Paris, C=FR

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

Serial number:
112123154E5E0FD1C6C84C77F8890B7472E0

File PE Metadata
Compilation timestamp:
10/12/2015 4:17:29 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
786432:HtnlsqjOk5yOt52N6DjENOCuj5lPbXny6FF3/hIHDeGTs1M8d3gc:HP3jOk5ntDFCuj5VbC6fZKs6cJ

Entry address:
0x209E

Entry point:
6A, 00, FF, 15, A4, 40, 40, 00, 50, E8, FC, 08, 00, 00, 59, 50, FF, 15, 90, 40, 40, 00, CC, 55, 8B, EC, 81, EC, 14, 02, 00, 00, 53, 56, 8B, 75, 14, 85, F6, 0F, 84, BE, 00, 00, 00, FF, 75, 08, 8D, 4D, F8, FF, 75, 0C, FF, 75, 10, E8, BB, 0C, 00, 00, 8D, 4D, F8, E8, D8, 0C, 00, 00, 84, C0, 0F, 84, 9D, 00, 00, 00, 8D, 4D, F8, E8, D0, 0C, 00, 00, 83, F8, 01, 0F, 82, 8C, 00, 00, 00, 8D, 4D, F8, E8, BF, 0C, 00, 00, 3B, 05, F4, 14, 40, 00, 77, 7C, FF, 36, 33, C0, BB, 04, 01, 00, 00, 66, 89, 45, F4, 66, 89, 85, EC...
 
[+]

Entropy:
8.0000

Packer / compiler:
FASM v1.3x

Code size:
8 KB (8,192 bytes)

The file e8c58780-8cab-403c-9762-3c8c0e937bbe.exe has been seen being distributed by the following URL.

http://vzbucket.clara-labs.com/dde5a5b2-e3f2-4725-94b9-0e16aa7fec5d/build/.../e8c58780-8cab-403c-9762-3c8c0e937bbe.exe

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