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mp.exe

Course Blue

The application mp.exe by Course Blue has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from cdnh.masssea.com.
Publisher:
Course Blue  (signed and verified)

Version:
1.0.6029.20175

MD5:
f68df88f972e1ab499ff5cff0770c6e5

SHA-1:
ba4cdc428a10b49aa3dff28aa8a69cfeaf7d97f3

SHA-256:
99643f8017147b2a2d3c34b217cd020b81fcfad8055b10bc1ced4f5c9f6aa7ff

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/27/2024 1:38:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.CourseBl.Installer (M)
16.7.4.20

File size:
239.9 KB (245,624 bytes)

Product version:
2016.07.04

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\mp.exe

Digital Signature
Signed by:
Course Blue

Authority:
VeriSign, Inc.

Valid from:
4/22/2016 6:00:00 AM

Valid to:
4/23/2017 5:59:59 AM

Subject:
CN=Course Blue, O=Course Blue, L=Escondido, S=California, C=US

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:
229DDC40A93030476EFE68F126619CAD

File PE Metadata
Compilation timestamp:
6/5/2014 5:58:31 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:TQ34niTUo+khN1dSfEY5xSXgfA8vYJ8vf9vRy0Aea3:XnKUo3ef/vSXgYZJ8vVvRyLX

Entry address:
0x31E4

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, E0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, B8, 6C, 44, 00, E8, 1B, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 6B, 44, 00, 8D, 44, 24, 38, 50, 53, 68, DB, 73, 40, 00, FF, 15, 58, 71, 40, 00, 68, D0, 73, 40, 00, 68, C0, 2B, 44, 00, E8, 0D, 24, 00, 00, FF, 15, AC, 70, 40, 00, 50, BF, 00, F0, 46, 00, 57, E8, FB, 23, 00, 00...
 
[+]

Entropy:
7.9182

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file mp.exe has been seen being distributed by the following URL.

http://cdnh.masssea.com/.../mp?mpt=8&v=1.0.6029.20175

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