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buenosearchupdt.exe

The application buenosearchupdt.exe 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 program which is used to install the application. It runs as a scheduled task under the Windows Task Scheduler triggered by a time event. The file has been seen being downloaded from 49883610b2899a565445-f8bbcd60a34d32bcae8d0f1cb50205b0.r36.cf1.rackcdn.com and multiple other hosts. While running, it connects to the Internet address ny1wv3280.xglobe.net on port 80 using the HTTP protocol.
MD5:
7d8184f135319b0bb4671328e7eaab1b

SHA-1:
ad1c9c703f1d817a2afde82b78daf434f7a3892f

SHA-256:
1438f2c75de14a2aca4520b1d6fd0d5ce67060b5a534a09769e06f348b920433

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/29/2024 12:56:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Toolbar
16.6.28.13

File size:
856 KB (876,544 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\buenosearch\buenosearch\2.2.4.0\buenosearchupdt.exe

File PE Metadata
Compilation timestamp:
6/9/2016 10:27:48 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:tD+F45yY1ml30CExDgkL/wd32yNwI2cqoUrdG+22gq:ty28Qml0CExDgkL/wd32yNwIPqoUrdGQ

Entry address:
0x60F0

Entry point:
56, EB, 03, 90, 90, 90, 90, 8B, 35, 7C, D0, 44, 00, 6A, 00, FF, D6, 50, E8, 99, FF, FF, FF, 83, C4, 04, 68, 7C, F1, 45, 00, 6A, 00, FF, D6, 50, FF, 15, 78, D0, 44, 00, 5E, 85, C0, 74, 02, FF, E0, 33, C0, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 41, 04, 2B, 8B, 4D, FC, 89, 3E, 89, 4E, 08, 5F, 5E, 8B, E5, 5D, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 56, 8B, F1, 8B, 06, 85, C0, 74, 16, 50, E8, 52, D3, 02, 00, 83, C4, 04, C7, 06, 00, 00, 00, 00, C7, 46, 08, 00, 00, 00, 00, 5E...
 
[+]

Code size:
302.5 KB (309,760 bytes)

Scheduled Task
Task name:
Buenosearch Updater

Trigger:
Time


The file buenosearchupdt.exe has been seen being distributed by the following 2 URLs.

http://49883610b2899a565445-f8bbcd60a34d32bcae8d0f1cb50205b0.r36.cf1.rackcdn.com/babylon_2.2.4.0_cn.exe

http://49883610b2899a565445-f8bbcd60a34d32bcae8d0f1cb50205b0.r36.cf1.rackcdn.com/buenosearch_2.2.4.0_cn.exe

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

TCP (HTTP):
Connects to ny1wv3280.xglobe.net  (204.145.82.20:80)

TCP (HTTP):
Connects to NY1WV3561  (204.145.82.26:80)

TCP (HTTP):
Connects to NY1WV3438  (204.145.82.24:80)

TCP (HTTP):
Connects to NY1WV3659  (204.145.82.27:80)

TCP (HTTP):
Connects to ny1wv3283.xglobe.net  (204.145.82.23:80)

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