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nsla88d.tmp

The file nsla88d.tmp has been detected as a potentially unwanted program by 12 anti-malware scanners. The file has been seen being downloaded from d24u51ac8ybaqu.cloudfront.net. While running, it connects to the Internet address server-54-230-55-104.jfk6.r.cloudfront.net on port 443.
MD5:
98879bf809f6237992c8c417fa8f4255

SHA-1:
73db66cdc242c1803617e5542a8a7bcbadc6ec5a

SHA-256:
7520306f060667114c941d8ad0621af95b78852334f280c80a1aea01e4a75dd2

Scanner detections:
12 / 68

Status:
Potentially unwanted

Explanation:
May modify the web browser's settings including changing the homepage and search provider in addition to delivering ads (by injecting banner and text-links directly in the webpage).

Analysis date:
11/24/2024 12:03:20 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Mikey.28503
429

AhnLab V3 Security
PUP/Win32.CrossRider
2015.12.03

Avira AntiVirus
TR/Taranis.399
8.3.2.4

Arcabit
Trojan.Mikey.D6F57
1.0.0.628

Bitdefender
Gen:Variant.Mikey.28503
1.0.20.1685

Emsisoft Anti-Malware
Gen:Variant.Mikey.28503
8.15.12.03.11

F-Secure
Gen:Variant.Mikey.28503
11.2015-03-12_5

G Data
Gen:Variant.Mikey.28503
15.12.25

Malwarebytes
Trojan.Agent
v2015.12.03.11

MicroWorld eScan
Gen:Variant.Mikey.28503
16.0.0.1011

Panda Antivirus
Trj/Genetic.gen
15.12.03.11

Qihoo 360 Security
HEUR/QVM08.0.Malware.Gen
1.0.0.1077

File size:
10 KB (10,240 bytes)

Common path:
C:\users\{user}\appdata\local\temp\nsla88d.tmp

File PE Metadata
Compilation timestamp:
12/2/2015 11:04:33 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
192:eKMEjoePfsbxXPXGU58XFHCDD+ar496AJH:zhjoeHsqhoV0YAJH

Entry address:
0x1000

Entry point:
6A, 70, 68, 38, 23, 40, 00, E8, F8, 01, 00, 00, 33, DB, 89, 5D, FC, 8D, 45, 80, 50, FF, 15, 00, 20, 40, 00, 83, CF, FF, 89, 7D, FC, 66, 81, 3D, 00, 00, 40, 00, 4D, 5A, 75, 28, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, 17, 0F, B7, 88, 18, 00, 40, 00, 81, F9, 0B, 01, 00, 00, 74, 20, 81, F9, 0B, 02, 00, 00, 74, 05, 89, 5D, E4, EB, 2A, 83, B8, 84, 00, 40, 00, 0E, 76, F2, 33, C9, 39, 98, F8, 00, 40, 00, EB, 11, 83, B8, 74, 00, 40, 00, 0E, 76, DF, 33, C9, 39, 98, E8, 00, 40, 00, 0F, 95, C1...
 
[+]

Entropy:
4.9295

Developed / compiled with:
Microsoft Visual C++ v7.1

Code size:
3 KB (3,072 bytes)

The file nsla88d.tmp has been seen being distributed by the following URL.

https://d24u51ac8ybaqu.cloudfront.net/.../setup_888555.exe

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

TCP (HTTP SSL):
Connects to server-54-230-55-104.jfk6.r.cloudfront.net  (54.230.55.104:443)

TCP (HTTP SSL):
Connects to server-54-230-38-177.jfk1.r.cloudfront.net  (54.230.38.177:443)

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