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libreoffice.exe

mARi MAra

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application libreoffice.exe by mARi MAra has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the OutBrowse Revenyou installer. The file has been seen being downloaded from get.0137j.info.
Publisher:
LEHPH  (signed by mARi MAra)

Product:
LEHPH

Version:
3901.15616.821.7428

MD5:
b3c5078d25ba1c3a43cceeabde49df13

SHA-1:
1db0d9c54722ca7a6f79de4c749994a4211cfb4a

SHA-256:
b9b698275ada76cfac9accf5e15f0c65625bda3d0951170947521498c6b707ee

Scanner detections:
1 / 68

Status:
Adware

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.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/4/2024 6:39:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.mARiMAra.Bundler (M)
16.1.17.4

File size:
770.4 KB (788,920 bytes)

Product version:
3901.15616.821.7428

Copyright:
LEHPH

Trademarks:
LEHPH

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
mARi MAra

Authority:
thawte, Inc.

Valid from:
6/15/2015 2:00:00 AM

Valid to:
12/18/2015 12:59:59 AM

Subject:
CN=mARi MAra, O=mARi MAra, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
276A2491AB97531E62A8220F03F277B5

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:U7xuDZAYkuFh5ffxtOAB+i7HG/EZICrWgfg886E:U4DFkQhVfaAB+i7drWg4xL

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.0137j.info/1434445875/.../1434445875?33366405670ZGJxKzI7cDguKjQjYTosLiwyMiBlPTYwMDIgaj0sIGlybGFyXW5qYWhfNmZvYmInXmt3aWZoYWFwcChda20hXio9LiNhLDctJl8tNjEjYTE3KyJkMDctMDYyMSBNOTQrMy40KjIyMWBhOCxgW2EvYl8gX3RlcGxlPWVxcWofL2EgLF8lL2NqY2xub20oXGxeb2htaWouYF5uJS9jcV5gITJhZmJib2JsYGBlY2AfK2ZwcV5cZmElLWAtLjArMh8sYndkaB4yY3U1MB8uZkdjW3JiTGNgY19lWi4nMysyXFFjal9zMi8uanBmIF51blxnYmNrXmpfN0hpXWxeT2NjZl1fImZkZl5uXmpiN0ZlYm1fSGZjZmBfIGVjamg2OC4jd2NqOTA

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