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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-52-84-246-143.sfo20.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Trend Corp.  (signed by Wenchao Zhang)

Product:
Trend Service

Description:
Service

Version:
3.0.0.60

MD5:
f18619ea815d82a62790ad5fa2fcbd37

SHA-1:
f7d6b107d5401eeef2057fe6409b8891057b4fab

SHA-256:
b4fe2bb7674072f5d85a0b969291bd8c6ae9545863004ada119f10ef4bc2c494

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 4:56:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex (M)
16.8.24.6

File size:
205.2 KB (210,128 bytes)

Product version:
3.0.0.60

Original file name:
TSvr

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, PRC)

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

Digital Signature
Signed by:
Wenchao Zhang

Authority:
thawte, Inc.

Valid from:
8/24/2016 7:00:00 AM

Valid to:
6/9/2017 6:59:59 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:
789A56EDC6B6552AA28856E898EA14B4

File PE Metadata
Compilation timestamp:
8/24/2016 9:46:47 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:tAYTDuE54W3VUPwtX2nfjy0b894mOKujedbazMjJkJ:tTDD3OPY2by3Ived2z

Entry address:
0x1BA86

Entry point:
E8, 79, 02, 00, 00, E9, 03, FE, FF, FF, FF, 25, F8, F2, 41, 00, FF, 25, FC, F2, 41, 00, FF, 25, 00, F3, 41, 00, FF, 25, 04, F3, 41, 00, FF, 25, 08, F3, 41, 00, FF, 25, 0C, F3, 41, 00, FF, 25, 10, F3, 41, 00, FF, 25, 14, F3, 41, 00, 68, 19, BB, 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, 50, 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, F8, 8D, 45, F0, 64, A3, 00, 00, 00, 00, C3, 8B...
 
[+]

Code size:
117 KB (119,808 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-52-84-246-181.sfo20.r.cloudfront.net  (52.84.246.181:80)

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

TCP (HTTP):
Connects to server-54-230-216-129.mrs50.r.cloudfront.net  (54.230.216.129:80)

TCP (HTTP):
Connects to server-54-239-132-142.sfo9.r.cloudfront.net  (54.239.132.142:80)

TCP (HTTP):
Connects to server-54-239-132-141.sfo9.r.cloudfront.net  (54.239.132.141:80)

TCP (HTTP):
Connects to server-52-84-246-133.sfo20.r.cloudfront.net  (52.84.246.133:80)

TCP (HTTP):
Connects to server-52-84-246-131.sfo20.r.cloudfront.net  (52.84.246.131:80)

TCP (HTTP):
Connects to server-52-85-63-170.lhr50.r.cloudfront.net  (52.85.63.170:80)

TCP (HTTP):
Connects to server-52-85-63-154.lhr50.r.cloudfront.net  (52.85.63.154:80)

TCP (HTTP):
Connects to server-52-84-246-45.sfo20.r.cloudfront.net  (52.84.246.45:80)

TCP (HTTP):
Connects to server-52-84-246-7.sfo20.r.cloudfront.net  (52.84.246.7:80)

TCP (HTTP):
Connects to server-52-84-246-245.sfo20.r.cloudfront.net  (52.84.246.245:80)

TCP (HTTP):
Connects to server-52-84-246-51.sfo20.r.cloudfront.net  (52.84.246.51:80)

TCP (HTTP):
Connects to server-52-84-246-143.sfo20.r.cloudfront.net  (52.84.246.143:80)

TCP (HTTP):
Connects to server-52-85-77-66.lax3.r.cloudfront.net  (52.85.77.66:80)

TCP (HTTP):
Connects to server-52-85-77-45.lax3.r.cloudfront.net  (52.85.77.45:80)

TCP (HTTP):
Connects to server-52-84-246-107.sfo20.r.cloudfront.net  (52.84.246.107:80)

TCP (HTTP):
Connects to server-52-84-246-10.sfo20.r.cloudfront.net  (52.84.246.10:80)

TCP (HTTP):
Connects to server-54-192-230-206.waw50.r.cloudfront.net  (54.192.230.206:80)

TCP (HTTP):
Connects to server-54-192-230-18.waw50.r.cloudfront.net  (54.192.230.18:80)

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