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optin.php

The file optin.php has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
MD5:
c6a09ac173686753a263618d5a8f7064

SHA-1:
a4840bab01a3805a94dcf940cb3ccfcc92eed204

SHA-256:
ee732cecd5c712115acf66f3e4d98dfdcd06ae2c1074fc26c0aed98883b165ce

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 5:21:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Downloader (M)
17.2.20.16

File size:
3 MB (3,177,984 bytes)

Language:
English (United States)

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

File PE Metadata
Compilation timestamp:
2/20/2017 6:32:35 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x1B6FF0

Entry point:
E8, 65, 03, 01, 00, E9, 03, 00, 00, 00, CC, CC, CC, 6A, 14, 68, 98, E5, 64, 00, E8, C7, 29, 00, 00, E8, 47, 7B, 00, 00, 0F, B7, F0, 6A, 02, E8, F5, 02, 01, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, D6, FC, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00...
 
[+]

Entropy:
6.2468

Code size:
2 MB (2,047,488 bytes)

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

TCP (HTTP):
Connects to ec2-23-21-236-165.compute-1.amazonaws.com  (23.21.236.165:80)

TCP (HTTP):
Connects to ec2-50-17-229-223.compute-1.amazonaws.com  (50.17.229.223:80)

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