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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:
1.0.6029.32778

MD5:
df9ad464ca978cc06c1b4d0a98ebe1b2

SHA-1:
89b9806521f56048b532d5435ef5bfe029899fa7

SHA-256:
9c9fe117f6de47f9ed3aa06d315485cd42950a7e81e0380c7c53cd95ba7bd748

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/27/2024 12:43:29 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.CourseBl.Installer (M)
16.7.5.9

File size:
239.9 KB (245,664 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\content.ie5\fmdiv076\mp.exe

Digital Signature
Signed by:
Course Blue

Authority:
VeriSign, Inc.

Valid from:
4/21/2016 8:00:00 PM

Valid to:
4/22/2017 7:59:59 PM

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:
6/4/2014 7:58:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:VQ3UQtui/8N1dSfEY5xSXgfA8vYJ8vf9vRy0Aeac:BQki//f/vSXgYZJ8vVvRyL8

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:
7.9177

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=1.0.6029.32778

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