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mahjongg.exe

Gekkon Ltd

The application mahjongg.exe by Gekkon has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address virtualbookstores.net on port 80 using the HTTP protocol.
Publisher:
GamesPub Ltd.  (signed by Gekkon Ltd)

Version:
1.0.0.1

MD5:
709ef0d891b0d9e9ce1d8e7dfe730260

SHA-1:
5fae89b365a2b7f1ea12d2fa49fd1666314493af

SHA-256:
b90d25c1dc60d2d125a449ae8cf1a1f784049a3976afaca3ad51a2aa4e490971

Scanner detections:
1 / 68

Status:
Potentially unwanted

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.

Analysis date:
4/18/2024 4:50:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Gekkon.I
14.7.10.2

File size:
1.7 MB (1,745,488 bytes)

Product version:
1.0.0.1

Copyright:
(c) GamesPub Ltd. All rights reserved.

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\toomkygames.com\mahjongg\mahjongg.exe

Digital Signature
Signed by:
Gekkon Ltd

Authority:
GlobalSign nv-sa

Valid from:
8/9/2010 3:35:50 AM

Valid to:
8/9/2013 3:35:46 AM

Subject:
E=is@newfreescreensavers.com, CN=Gekkon Ltd, O=Gekkon Ltd, L=Mahe, S=Seychelles, C=SC

Issuer:
CN=GlobalSign ObjectSign CA, OU=ObjectSign CA, O=GlobalSign nv-sa, C=BE

Serial number:
0100000000012A56A1781E

File PE Metadata
Compilation timestamp:
8/2/2012 7:53:42 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:1hzMRmxpHjtKJah8/0oi86CaM15W3VIC7/nn/usUf9EOwrED73W:bMRmxpjSah8vi86CaM15W3VISmsUfqOn

Entry address:
0x101AC8

Entry point:
E8, 0B, 6B, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, A0, FC, 56, 00, 75, 02, F3, C3, E9, 92, 6B, 00, 00, 8B, FF, 55, 8B, EC, 56, 8B, 75, 14, 85, F6, 75, 04, 33, C0, EB, 61, 83, 7D, 08, 00, 75, 13, E8, 56, 12, 00, 00, 6A, 16, 5E, 89, 30, E8, FC, 6D, 00, 00, 8B, C6, EB, 48, 83, 7D, 10, 00, 74, 16, 39, 75, 0C, 72, 11, 56, FF, 75, 10, FF, 75, 08, E8, 5E, 1C, 00, 00, 83, C4, 0C, EB, C7, FF, 75, 0C, 6A, 00, FF, 75, 08, E8, DC, 19, 00, 00, 83, C4, 0C, 83, 7D, 10, 00, 74, BB, 39, 75, 0C, 73, 0E, E8, 0C, 12, 00, 00, 6A...
 
[+]

Entropy:
6.3984

Code size:
1.1 MB (1,199,104 bytes)

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

TCP (HTTP):
Connects to virtualbookstores.net  (198.44.66.74:80)

TCP (HTTP):
Connects to 94.31.29.96.IPYX-077437-ZYO.above.net  (94.31.29.96:80)

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