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onfatupdate.exe

Luhong Han

The application onfatupdate.exe by Luhong Han has been detected as a potentially unwanted program by 2 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler named OnfatUpdateTaskMachineCore triggered by a time event. While running, it connects to the Internet address ocsp.comodoca.com on port 80 using the HTTP protocol.
Publisher:
Luhong Han  (signed and verified)

MD5:
6eb2c04efb3df1a9086f229dd29756f0

SHA-1:
4cd9999fe190d91c8977ff8e0a87d1dc9e453a96

SHA-256:
b39267fb76a7ed4cc7d55d25b85be13de1c6e523e430c33dd725a381e7985067

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
6/15/2024 4:19:10 PM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Obfuscated.NHQ trojan
6.3.12010.0

Reason Heuristics
PUP.Updater (M)
16.9.20.13

File size:
631.4 KB (646,528 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\onfat\update\onfatupdate.exe

Digital Signature
Signed by:
Luhong Han

Authority:
thawte, Inc.

Valid from:
8/29/2016 7:00:00 AM

Valid to:
4/2/2017 6:59:59 AM

Subject:
CN=Luhong Han, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

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

Serial number:
501EAE68B9AF651C1372410F73CD4F0F

File PE Metadata
Compilation timestamp:
8/30/2016 4:11:38 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:t4Qf6xFku9amYsaCVEWR1Q0kC8ALwflWNiH3YcKvI:tfQFAmM2Q0kNfP7YI

Entry address:
0x4F893

Entry point:
E8, 6D, 05, 00, 00, E9, 8E, FE, FF, FF, FF, 25, DC, 73, 47, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 70, 50, 49, 00, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 70, 50, 49, 00, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45...
 
[+]

Entropy:
6.5117

Code size:
471.5 KB (482,816 bytes)

Scheduled Task
Task name:
OnfatUpdateTaskMachineCore

Trigger:
Time


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

TCP (HTTP SSL):
Connects to server-54-192-19-219.iad12.r.cloudfront.net  (54.192.19.219:443)

TCP (HTTP):
Connects to ocsp.comodoca.com  (178.255.83.1:80)

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