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tsvr.exe

Trend Service

Wenchao Zhang

The application tsvr.exe by Wenchao Zhang has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “IhPul”. While running, it connects to the Internet address server-52-84-246-124.sfo20.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Trend Corp.  (signed by Wenchao Zhang)

Product:
Trend Service

Description:
Service

Version:
3.0.0.62

MD5:
717549b8b5a8c2364bd9df872b9f27d6

SHA-1:
055da143b18a4bd1a9f7e71c2edf27eaf2c09e62

SHA-256:
72589845525ab52ebee2f0bc08bb78400834ac052b8e9eb056ef996799a54792

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/7/2024 8:32:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex (M)
16.9.12.10

File size:
200.7 KB (205,520 bytes)

Product version:
3.0.0.62

Original file name:
TSvr

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\setup1\tsvr.exe

Digital Signature
Signed by:
Wenchao Zhang

Authority:
thawte, Inc.

Valid from:
9/5/2016 8:00:00 AM

Valid to:
6/9/2017 7:59:59 AM

Subject:
CN=Wenchao Zhang, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

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

Serial number:
7CB55FC93FD558DCF3695EC30265298F

File PE Metadata
Compilation timestamp:
9/9/2016 10:26:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:qr3EiKw9JTCx3b0uopnfxB3RAT3rx/lpaMrZO0MzMcQl:qrJ5OSJ90RZO7zDQ

Entry address:
0x1AB2A

Entry point:
E8, 85, 02, 00, 00, E9, 03, FE, FF, FF, FF, 25, E0, E2, 41, 00, FF, 25, E4, E2, 41, 00, FF, 25, E8, E2, 41, 00, FF, 25, EC, E2, 41, 00, FF, 25, F0, E2, 41, 00, FF, 25, F4, E2, 41, 00, FF, 25, F8, E2, 41, 00, FF, 25, FC, E2, 41, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 68, C9, AB, 41, 00, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, 00, 40, 42, 00, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF, 89, 45...
 
[+]

Entropy:
6.2400

Code size:
113 KB (115,712 bytes)

Service
Display name:
IhPul

Type:
Win32OwnProcess


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

TCP (HTTP):
Connects to server-54-192-130-83.ams50.r.cloudfront.net  (54.192.130.83:80)

TCP (HTTP):
Connects to server-54-192-130-159.ams50.r.cloudfront.net  (54.192.130.159:80)

TCP (HTTP):
Connects to server-54-230-216-56.mrs50.r.cloudfront.net  (54.230.216.56:80)

TCP (HTTP):
Connects to server-54-239-132-177.sfo9.r.cloudfront.net  (54.239.132.177:80)

TCP (HTTP):
Connects to server-54-239-132-123.sfo9.r.cloudfront.net  (54.239.132.123:80)

TCP (HTTP):
Connects to server-54-230-187-91.cdg51.r.cloudfront.net  (54.230.187.91:80)

TCP (HTTP):
Connects to server-54-230-187-220.cdg51.r.cloudfront.net  (54.230.187.220:80)

TCP (HTTP):
Connects to server-54-230-0-91.lhr5.r.cloudfront.net  (54.230.0.91:80)

TCP (HTTP):
Connects to server-52-85-74-241.lhr3.r.cloudfront.net  (52.85.74.241:80)

TCP (HTTP):
Connects to server-52-85-74-152.lhr3.r.cloudfront.net  (52.85.74.152:80)

TCP (HTTP):
Connects to server-52-85-63-159.lhr50.r.cloudfront.net  (52.85.63.159:80)

TCP (HTTP):
Connects to server-52-84-25-136.sea32.r.cloudfront.net  (52.84.25.136:80)

TCP (HTTP):
Connects to server-52-84-25-11.sea32.r.cloudfront.net  (52.84.25.11:80)

TCP (HTTP):
Connects to server-54-230-95-128.fra2.r.cloudfront.net  (54.230.95.128:80)

TCP (HTTP):
Connects to server-54-230-216-148.mrs50.r.cloudfront.net  (54.230.216.148:80)

TCP (HTTP):
Connects to server-54-230-216-140.mrs50.r.cloudfront.net  (54.230.216.140:80)

TCP (HTTP):
Connects to server-52-84-25-97.sea32.r.cloudfront.net  (52.84.25.97:80)

TCP (HTTP):
Connects to server-52-84-25-208.sea32.r.cloudfront.net  (52.84.25.208:80)

TCP (HTTP):
Connects to server-54-239-132-131.sfo9.r.cloudfront.net  (54.239.132.131:80)

TCP (HTTP):
Connects to server-54-239-132-117.sfo9.r.cloudfront.net  (54.239.132.117:80)

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