Astaroth (Guildma) infection
Introduction
Today's diary is a quick post of an Astaroth (Guildma) malware infection I generated early on Wednesday 2022-02-16 from a malicious email targeting a Brazil-based recipient on Tuesday 2022-02-15.
Images from the infection
Shown above: Screenshot from the email that kicked off the infection.
Shown above: Downloading a zip archive after clicking link in the email.
Shown above: Content of the downloaded zip archive is a text-based .cmd file.
Shown above: Two shortcuts in the Windows Start Menu Startup folder keep this infection persistent.
Shown above: Files used for the Astaroth (Guildma) infection.
Shown above: Traffic from the infection filtered in Wireshark.
Final Words
A packet capture (pcap) of the Astaroth infection traffic with the associated email and malware/artifacts are here.
---
Brad Duncan
brad [at] malware-traffic-analysis.net
Comments
www
Nov 17th 2022
4 months ago
EEW
Nov 17th 2022
4 months ago
qwq
Nov 17th 2022
4 months ago
mashood
Nov 17th 2022
4 months ago
isc.sans.edu
Nov 23rd 2022
4 months ago
isc.sans.edu
Nov 23rd 2022
4 months ago
isc.sans.edu
Dec 3rd 2022
3 months ago
isc.sans.edu
Dec 3rd 2022
3 months ago
<a hreaf="https://technolytical.com/">the social network</a> is described as follows because they respect your privacy and keep your data secure. The social networks are not interested in collecting data about you. They don't care about what you're doing, or what you like. They don't want to know who you talk to, or where you go.
<a hreaf="https://technolytical.com/">the social network</a> is not interested in collecting data about you. They don't care about what you're doing, or what you like. They don't want to know who you talk to, or where you go. The social networks only collect the minimum amount of information required for the service that they provide. Your personal information is kept private, and is never shared with other companies without your permission
isc.sans.edu
Dec 26th 2022
2 months ago
isc.sans.edu
Dec 26th 2022
2 months ago