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portmon.exe

5023_cmi_mystartsearch

Thinknice Co. Limited

The file portmon.exe by Thinknice Co. Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from 113.171.224.242 and multiple other hosts.
Publisher:
Portmon/EE  (signed by Thinknice Co. Limited)

Product:
5023_cmi_mystartsearch

Description:
Portmon/EE

Version:
7.0.1.13

MD5:
5a28b56b667c9fff114dc2729c50b9c8

SHA-1:
e3741277141fe3f54f1b01e8648c63b995c21976

SHA-256:
18a0c8c1414d127d7be46c07b4102636f1c05ae692876afacfe46a2c0fdb43d9

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/25/2024 9:34:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Thinknice.ThinkniceCo (M)
15.11.4.15

File size:
310.1 KB (317,560 bytes)

Product version:
7.0.1.13

Copyright:
Portmon/EE

Original file name:
portmon.exe

Language:
English (United Kingdom)

Common path:
C:\users\{user}\appdata\local\temp\nsq2532.tmp

Digital Signature
Signed by:
Thinknice Co. Limited

Authority:
GlobalSign nv-sa

Valid from:
11/2/2015 10:43:51 AM

Valid to:
10/26/2016 10:09:29 AM

Subject:
CN=Thinknice Co. Limited, O=Thinknice Co. Limited, L=香港, S=香港, C=HK

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121D2AE6A557DB6C6DE9BDAEDDB1183AD8D

File PE Metadata
Compilation timestamp:
9/9/2015 10:52:18 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:QkmdA5Mu/y0+DC9yHZLC3Nd+WJD19LSpUXv/x6Gaw2xTV+1WrrglVZxraAvDr6Ss:QPdsMWB+eWqNBJSS3z92xTV4VfN/6p

Entry address:
0x17AC6

Entry point:
E8, 70, BE, 00, 00, E9, 7F, FE, FF, FF, 57, 56, 8B, 74, 24, 10, 8B, 4C, 24, 14, 8B, 7C, 24, 0C, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, 68, 03, 00, 00, 0F, BA, 25, 4C, 3D, 44, 00, 01, 73, 07, F3, A4, E9, 17, 03, 00, 00, 81, F9, 80, 00, 00, 00, 0F, 82, CE, 01, 00, 00, 8B, C7, 33, C6, A9, 0F, 00, 00, 00, 75, 0E, 0F, BA, 25, 50, E8, 43, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, 4C, 3D, 44, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03, 00, 00, 00, 0F, 85, B8, 01, 00, 00, F7, C6, 03, 00, 00, 00...
 
[+]

Entropy:
5.8707

Code size:
191.5 KB (196,096 bytes)

The file portmon.exe has been seen being distributed by the following 3 URLs.

http://113.171.224.242/.../cmi_mystartsearch.exe

http://113.171.224.203/.../cmi_mystartsearch.exe

http://d2drfrdurj6mvo.cloudfront.net/.../cmi_mystartsearch.exe

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