UCBrowser.exe

UC浏览器

TAOBAO (CHINA) SOFTWARE CO.,LTD.

The application UCBrowser.exe by TAOBAO (CHINA) SOFTWARE CO.,LTD 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 b-app04-06.boldchat.com on port 80 using the HTTP protocol.
Publisher:
UCWeb Inc.  (signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.)

Product:
UC浏览器

Version:
6.0.1471.813

MD5:
bf5d9f9c074eab9d497a806c900b56d4

SHA-1:
0df6a4bea07dc8a9c775e555b32f7dff72c47577

SHA-256:
0b905f4438707eebd2dddeba9c9e2a296fb083334585dee80532e601b9946dce

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/16/2017 6:18:46 PM UTC  (eight months ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Taobao (L)
17.1.16.13

File size:
1.1 MB (1,172,368 bytes)

Product version:
6.0.1471.813

Copyright:
Copyright 2008-2016 UCWeb Inc. All rights reserved.

Original file name:
UCBrowser.exe

File type:
Executable application (Win32 EXE)

Language:
Tiê´ng Anh (My~)

Common path:
C:\Program Files\ucbrowser\application\ucbrowser.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
6/16/2016 7:00:00 AM

Valid to:
7/15/2018 6:59:59 AM

Subject:
CN="TAOBAO (CHINA) SOFTWARE CO.,LTD.", OU=RDC, O="TAOBAO (CHINA) SOFTWARE CO.,LTD.", L=Hangzhou, S=Zhejiang, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
780A0032A6CE7D0B5D5452F5CDE520DC

File PE Metadata
Compilation timestamp:
1/16/2017 5:52:14 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x6FBDB

Entry point:
E8, B5, 08, 00, 00, E9, 8E, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 57, 56, 53, 33, FF, 8B, 44, 24, 14, 0B, C0, 7D, 14, 47, 8B, 54, 24, 10, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 14, 89, 54, 24, 10, 8B, 44, 24, 1C, 0B, C0, 7D, 14, 47, 8B, 54, 24, 18, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 1C, 89, 54, 24, 18, 0B, C0, 75, 18, 8B, 4C, 24, 18, 8B, 44, 24, 14, 33, D2, F7, F1, 8B, D8, 8B, 44, 24, 10, F7, F1, 8B, D3, EB, 41, 8B, D8, 8B, 4C, 24, 18, 8B, 54, 24, 14, 8B, 44, 24, 10, D1, EB, D1, D9...
 
[+]

Entropy:
6.7425

Code size:
593 KB (607,232 bytes)

Shell Open Command
Open type:
ftp

Command:
"C:\Program Files\ucbrowser\application\ucbrowser.exe" -- "%1"


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

TCP (HTTP):
Connects to b-app04-01.boldchat.com  (66.150.108.53:80)

TCP (HTTP SSL):
Connects to ip-198-58-13-144.iad1.bfnet.us  (198.58.13.144:443)

TCP (HTTP SSL):
Connects to b-app04-07.boldchat.com  (66.150.108.65:443)

TCP (HTTP):
Connects to b-app04-06.boldchat.com  (66.150.108.95:80)

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