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topsadon1c.exe

neomedia

The application topsadon1c.exe by neomedia has been detected as a potentially unwanted program by 3 anti-malware scanners. It is set to automatically execute when any user logs into Windows (through the local user run registry setting) with the name ‘topsadonc’. The file has been seen being downloaded from down1.topsadon1.com.
Publisher:
neomedia  (signed and verified)

MD5:
9cc85f84dfedf5c8b391049a3e22b39b

SHA-1:
2b361bc1de2011f9e796f3ce00db6786160df170

SHA-256:
6378e081d98e595a33ffbffe9e680704a445d4f889812f420dd20c9b4a150a0a

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
4/25/2024 2:40:24 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/AdWare.KeywordFind.D application
8.0.319.0

F-Prot
W32/Themida_Packed
4.6.5.141

VIPRE Antivirus
Threat.4412848
50536

File size:
998.2 KB (1,022,184 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\topsadon\topsadon1c.exe

Digital Signature
Signed by:
neomedia

Authority:
thawte, Inc.

Valid from:
1/25/2016 9:00:00 AM

Valid to:
1/25/2017 8:59:59 AM

Subject:
CN=neomedia, OU=IT Team, O=neomedia, L=Gangnam-gu, S=SEOUL, C=KR

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
343766F67EC25EF07DB4A9C47879EAF6

File PE Metadata
Compilation timestamp:
7/10/2016 10:25:26 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:N+iWT7b279X7ervtM+AjMW1Vv25ZuViPb:E57b25X7e5AjvV+zuViD

Entry address:
0x22B000

Entry point:
83, EC, 04, 50, 53, E8, 01, 00, 00, 00, CC, 58, 8B, D8, 40, 2D, 00, D0, 0B, 00, 2D, 5D, 36, 5F, 00, 05, 52, 36, 5F, 00, 80, 3B, CC, 75, 19, C6, 03, 00, BB, 00, 10, 00, 00, 68, 94, E0, EF, 0E, 68, 49, 32, DC, 07, 53, 50, E8, 0A, 00, 00, 00, 83, C0, 00, 89, 44, 24, 08, 5B, 58, C3, 55, 8B, EC, 60, 8B, 75, 08, 8B, 4D, 0C, C1, E9, 02, 8B, 45, 10, 8B, 5D, 14, EB, 08, 31, 06, 01, 1E, 83, C6, 04, 49, 0B, C9, 75, F4, 61, C9, C2, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.5809

Code size:
418.5 KB (428,544 bytes)

Startup File (All Users Run)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
topsadonc

Command:
"C:\users\{user}\appdata\roaming\topsadon\topsadon1c.exe"


The file topsadon1c.exe has been seen being distributed by the following URL.

http://down1.topsadon1.com/.../topsadon1c.exe

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

TCP (HTTP):
Connects to i0-h0-s342.p59-icn.cdngp.net  (14.0.70.136:80)

TCP (HTTP):
Connects to ec2-52-78-189-156.ap-northeast-2.compute.amazonaws.com  (52.78.189.156:80)

TCP (HTTP):
Connects to a23-74-19-27.deploy.static.akamaitechnologies.com  (23.74.19.27:80)

TCP (HTTP):
Connects to a23-43-11-27.deploy.static.akamaitechnologies.com  (23.43.11.27:80)

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