Malware Analysis Report

2025-08-05 21:40

Sample ID 230321-m6tp1shh69
Target stage_2gozi.dll
SHA256 69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8
Tags
gozi 5050 banker isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8

Threat Level: Known bad

The file stage_2gozi.dll was found to be: Known bad.

Malicious Activity Summary

gozi 5050 banker isfb trojan

Gozi

Gozi family

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-03-21 11:05

Signatures

Gozi family

gozi

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-21 11:05

Reported

2023-03-21 11:07

Platform

win10v2004-20230220-en

Max time kernel

148s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3804 wrote to memory of 3320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3804 wrote to memory of 3320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3804 wrote to memory of 3320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 58.104.205.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 52.152.108.96:443 tcp
US 20.189.173.12:443 tcp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
US 8.8.8.8:53 216.74.101.95.in-addr.arpa udp
US 8.8.8.8:53 164.2.77.40.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
US 8.8.8.8:53 226.101.242.52.in-addr.arpa udp
NL 8.238.20.126:80 tcp
US 93.184.220.29:80 tcp
NL 8.238.20.126:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
GB 52.123.242.83:80 config.edge.skype.com tcp
US 8.8.8.8:53 83.242.123.52.in-addr.arpa udp
RU 91.215.85.201:80 91.215.85.201 tcp
US 8.8.8.8:53 201.85.215.91.in-addr.arpa udp

Files

memory/3320-133-0x00000000012F0000-0x00000000012FD000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-21 11:05

Reported

2023-03-21 11:07

Platform

win7-20230220-en

Max time kernel

31s

Max time network

33s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2016 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2016 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\stage_2gozi.dll

Network

N/A

Files

N/A