Malware Analysis Report

2025-08-05 21:40

Sample ID 230321-ryxh6adc4y
Target 69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8.zip
SHA256 6e8f53d3f1915e1c4ad6dcf83fb2a0c86b757d6854076671ad84aefccd49fc5d
Tags
isfb 5050 gozi banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

6e8f53d3f1915e1c4ad6dcf83fb2a0c86b757d6854076671ad84aefccd49fc5d

Threat Level: Known bad

The file 69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8.zip was found to be: Known bad.

Malicious Activity Summary

isfb 5050 gozi banker trojan

Gozi family

Gozi

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-03-21 14:36

Signatures

Gozi family

gozi

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-21 14:36

Reported

2023-03-21 14:39

Platform

win7-20230220-en

Max time kernel

28s

Max time network

32s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8.dll

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1512 wrote to memory of 1608 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1512 wrote to memory of 1608 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1512 wrote to memory of 1608 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1512 wrote to memory of 1608 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1512 wrote to memory of 1608 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1512 wrote to memory of 1608 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1512 wrote to memory of 1608 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\69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8.dll

Network

N/A

Files

memory/1608-54-0x00000000001C0000-0x00000000001CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-21 14:36

Reported

2023-03-21 14:39

Platform

win10v2004-20230220-en

Max time kernel

135s

Max time network

155s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8.dll

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4576 wrote to memory of 4864 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4576 wrote to memory of 4864 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4576 wrote to memory of 4864 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\69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\69d646441885a01d2203c17d5b38c1772d0f8cb76d0a43d33d143e7a0b13f6f8.dll

Network

Country Destination Domain Proto
IE 40.126.31.69:443 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
US 40.77.2.164:443 tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
GB 52.123.242.72:80 config.edge.skype.com tcp
US 8.8.8.8:53 72.242.123.52.in-addr.arpa udp
RU 91.215.85.201:80 tcp

Files

memory/4864-133-0x00000000001F0000-0x00000000001FD000-memory.dmp