UCBrowser.exe

UC Browser

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 www.internetdownloadmanager.com on port 443.
Publisher:
UCWeb Inc.  (signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.)

Product:
UC Browser

Version:
6.0.1308.1011

MD5:
fc159e026e089c7f6dadf3866f8189ed

SHA-1:
1873db8653aca8818aeca31ee6ac8267f9ffbf2c

SHA-256:
9b573e0e0366489a5f769212c935a14a33e415d1512451b63da84efb20f81e80

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/5/2017 4:33:45 PM UTC  (eight months ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Taoboa (L)
17.1.5.11

File size:
1.1 MB (1,205,136 bytes)

Product version:
6.0.1308.1011

Copyright:
Copyright 2008-2014 UCWeb Inc. All rights reserved.

Original file name:
UCBrowser.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
6/16/2016 5:30:00 AM

Valid to:
7/15/2018 5:29:59 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:
1/5/2017 10:52:37 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x756F8

Entry point:
E8, 19, 09, 00, 00, E9, 8E, FE, FF, FF, CC, CC, CC, 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...
 
[+]

Entropy:
6.7455

Code size:
621 KB (635,904 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):

TCP (HTTP SSL):
Connects to www.internetdownloadmanager.com  (169.55.0.224:443)

TCP (HTTP SSL):
Connects to abs-cn-15.204.148.202.aircel.co.in  (202.148.204.15:443)

TCP (HTTP):
Connects to a104-88-200-176.deploy.static.akamaitechnologies.com  (104.88.200.176:80)

TCP (HTTP SSL):
Connects to host-197.199.254.26.etisalat.com.eg  (197.199.254.26:443)

TCP (HTTP SSL):
Connects to edge-star-mini-shv-01-frt3.facebook.com  (31.13.92.36:443)

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