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nsy39a8.tmp

The file nsy39a8.tmp has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from d16hr9n7t75k58.cloudfront.net.
MD5:
57d3f62c9c6a3932c2152218723cbea8

SHA-1:
cb98e3a8f97b1f22c3a2f91696e1b19a57645311

SHA-256:
b9c990a693bcebfd5f1e9744ac223656f27878c2caa73e6c8223df4ee122a849

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
11/24/2024 6:54:37 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.VOPackage
2015.12.05

Kaspersky
UDS:DangerousObject.Multi.Generic
14.0.0.1016

Qihoo 360 Security
QVM42.0.Malware.Gen
1.0.0.1077

Reason Heuristics
Adware.Downloader.KY (M)
16.2.29.18

File size:
53.2 KB (54,511 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsy39a8.tmp

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:upgpHzb9dZVX9fHMvG0D3XJuF0iuwa/o41ahfa:0gXdZt9P6D3XJuF0i2o4sk

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.1718

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nsy39a8.tmp has been seen being distributed by the following URL.

http://d16hr9n7t75k58.cloudfront.net/4efece5b5586ee29871717baacdf4c7b.exe

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

TCP (HTTP SSL):
Connects to server-54-230-53-86.jfk6.r.cloudfront.net  (54.230.53.86:443)

TCP (HTTP SSL):
Connects to server-54-230-39-184.jfk1.r.cloudfront.net  (54.230.39.184:443)

TCP (HTTP SSL):
Connects to server-54-230-38-208.jfk1.r.cloudfront.net  (54.230.38.208:443)

TCP (HTTP):
Connects to server-54-230-38-198.jfk1.r.cloudfront.net  (54.230.38.198:80)

TCP (HTTP):
Connects to server-54-192-55-17.jfk6.r.cloudfront.net  (54.192.55.17:80)

TCP (HTTP SSL):
Connects to server-54-192-55-164.jfk6.r.cloudfront.net  (54.192.55.164:443)

TCP (HTTP):
Connects to server-54-192-55-160.jfk6.r.cloudfront.net  (54.192.55.160:80)

TCP (HTTP):
Connects to server-54-192-55-16.jfk6.r.cloudfront.net  (54.192.55.16:80)

TCP (HTTP):
Connects to server-54-192-55-130.jfk6.r.cloudfront.net  (54.192.55.130:80)

TCP (HTTP SSL):
Connects to server-54-192-54-163.jfk6.r.cloudfront.net  (54.192.54.163:443)

TCP (HTTP):
Connects to a23-52-91-27.deploy.static.akamaitechnologies.com  (23.52.91.27:80)

TCP (HTTP):
Connects to a23-50-75-27.deploy.static.akamaitechnologies.com  (23.50.75.27:80)

TCP (HTTP):
Connects to a23-47-27-27.deploy.static.akamaitechnologies.com  (23.47.27.27:80)

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