couptool.exe

Onekit Internet S,L

The application couptool.exe by Onekit Internet S,L has been detected as adware 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 OneKit Downloader installer. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address rack24u28.hispaweb.net on port 80 using the HTTP protocol.
Publisher:
Onekit Internet S,L  (signed and verified)

MD5:
e360b862f0959effa863edf788b68f88

SHA-1:
fdad1ce1cc1fb9a28faeeb04ffde5b17d0e5b9e5

SHA-256:
5b44cff8e763224be290138e7bfc0b0b5e2c9f57346e60d1f5261bd952e9dbf1

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/26/2024 9:45:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OnekitInternet.OnekitInternetSL.Bundler (M)
16.1.17.4

File size:
68.2 KB (69,872 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OneKit Downloader (using Nullsoft Install System)

Common path:
C:\users\{user}\appdata\local\temp\couptool.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
4/17/2012 1:11:53 PM

Valid to:
4/18/2013 1:11:53 PM

Subject:
E=info@onekit.com, CN="Onekit Internet S,L", O="Onekit Internet S,L", L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121082E90950E0960FF7F21E2D20A9F1AF6

File PE Metadata
Compilation timestamp:
2/24/2012 8:20:04 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:yGarUa6LowvuhdNYh2Gf9rg6hzGPnUCw1ATPRSEvrGpwGg8l8:M5BuYAVrgUCPnUCtT5SEvrGmZx

Entry address:
0x38AF

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, EA, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, A2, 40, 00, FF, 15, 84, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, 18, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

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

TCP (HTTP):
Connects to rack24u28.hispaweb.net  (93.189.36.203:80)

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