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ossec_installer_001.exe

The executable ossec_installer_001.exe has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the Nullsoft Install System installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from alienvault.echots.com.
MD5:
bfcb86a480a04071d95a2482144cdb80

SHA-1:
b819fc61c32ba91e0b92ef56d6bced5706004caa

SHA-256:
779282499f0473cc1bead441927910ac4d818dc27e8f6129c7613e9ab118bd7c

Scanner detections:
1 / 68

Status:
Malware

Explanation:
This is part of the Crossrider Internet browser extension framework which may modify the user's web browser settings including changing the home and search pages.

Note:
Crossrider is the owner of a platform that enables the creation of cross-browser extensions by developers but is not the owner of this detected application.

Analysis date:
12/28/2024 6:27:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.12.8.1

File size:
796.8 KB (815,969 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Common path:
C:\users\{user}\downloads\ossec_installer_001.exe

File PE Metadata
Compilation timestamp:
5/8/2010 5:56:39 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
24576:j0IWopjOavpH1TKQZ291bdJWwaZLLjn9xwW:UoJzH1T9ZoJWL79xwW

Entry address:
0x3E3F

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, E8, B0, 5D, 00, 00, C7, 04, 24, 01, 80, 00, 00, E8, 04, 57, 00, 00, 53, C7, 04, 24, 00, 00, 00, 00, E8, E7, 5D, 00, 00, A3, 04, 08, 43, 00, 51, C7, 04, 24, 08, 00, 00, 00, E8, 27, 32, 00, 00, A3, B4, 08, 43, 00, 8D, 85, 84, FE, FF, FF, 52, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 4C, B2, 40, 00, E8, 81, 5C, 00, 00, 83, EC, 14, C7, 44, 24, 04, 4D, B2, 40, 00, C7, 04, 24, E4, 08...
 
[+]

Entropy:
7.9690  (probably packed)

Code size:
35.5 KB (36,352 bytes)

The file ossec_installer_001.exe has been seen being distributed by the following URL.

https://alienvault.echots.com/ossim/ossec/controllers/.../download_agent.php?download_data=1

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