starmemo_badakencoder.exe

EbizNetWorks

The application starmemo_badakencoder.exe by EbizNetWorks 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from down.startools.co.kr.
Publisher:
EbizNetWorks  (signed and verified)

MD5:
9b14cedacdc6d8856e5facc9eeba7a71

SHA-1:
a870b368b87787b16b74e60f48df9fb8317e9ddf

SHA-256:
f16d26b5685f91502edd89ee6915edfe75166d76737dc5a197815bcaa0bb0ac3

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:
12/26/2024 3:36:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.EbizNetW.Installer (M)
16.5.9.18

File size:
1.3 MB (1,387,560 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\starmemo_badakencoder.exe

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
11/24/2015 9:00:00 AM

Valid to:
1/23/2018 8:59:59 AM

Subject:
CN=EbizNetWorks, O=EbizNetWorks, L=Gangnam-gu, S=Seoul, C=KR

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
06AF189276E836B12549E30030BFB886

File PE Metadata
Compilation timestamp:
12/6/2009 7:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:E25r7NEorq16m3qNUYylfeiFWRO4eWiSX3V8EHkA7NZQ:L6o21hZYylfeikE4eVSnV/1U

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:
7.9885

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file starmemo_badakencoder.exe has been seen being distributed by the following URL.

http://down.startools.co.kr/starmemo/app/.../starmemo_badakencoder.exe

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