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hamachi-oc-jd.exe

Sevas-S LLC

The application hamachi-oc-jd.exe by Sevas-S 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from s3.amazonaws.com.
Publisher:
Sevas-S LLC  (signed and verified)

MD5:
81047f37804027407aecfdabe43abf90

SHA-1:
c1d59ab0dd66587a58ee583f53c05943e791aae0

SHA-256:
14eb317db3dd23c6f3a844870515bafcb9ed4cd2c95e1bc6eb47f6fbdcebd274

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.

Analysis date:
12/25/2024 12:41:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SevasS.Installer (M)
16.1.5.4

File size:
477.5 KB (488,992 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\hamachi-oc-jd.exe

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
1/22/2013 9:00:00 PM

Valid to:
2/22/2014 8:59:59 PM

Subject:
CN=Sevas-S LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Sevas-S LLC, L=Kyiv, S=Kyivska oblast, C=UA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
527471E53862E2F90AB45ED4ACB8F4C2

File PE Metadata
Compilation timestamp:
5/19/2013 8:52:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:laCpV+GvFhjs17FEUDTTup+Ts9PJYz5jtNcB+/TRfYnx:DpkCFhm7FjDHuzJYz5jtXTBYx

Entry address:
0x31B1

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, D8, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 34, 71, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 58, 92, 42, 00, E8, 90, 2E, 00, 00, A3, A4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 58, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, C0, 92, 40, 00, 68, A0, 81, 42, 00, E8, FB, 2A, 00, 00, FF, 15, 38, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, E9, 2A, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file hamachi-oc-jd.exe has been seen being distributed by the following URL.

https://s3.amazonaws.com/joyfreedownloadcom/.../hamachi-oc-jd.exe

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

TCP (HTTP):
Connects to ec2-23-21-66-175.compute-1.amazonaws.com  (23.21.66.175:80)

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