Malware Analysis Report

2025-08-05 21:39

Sample ID 230321-ryw8dsdc4x
Target 3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382.zip
SHA256 2222706b0800d77c594445c95d77dd25e9be718f48cf67a1899cb8cfa89acd55
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

2222706b0800d77c594445c95d77dd25e9be718f48cf67a1899cb8cfa89acd55

Threat Level: Known bad

The file 3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382.zip was found to be: Known bad.

Malicious Activity Summary

gozi 5050 banker isfb trojan

Gozi

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-03-21 14:36

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-21 14:36

Reported

2023-03-21 14:39

Platform

win10v2004-20230220-en

Max time kernel

146s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382.dll

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1240 wrote to memory of 1076 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1240 wrote to memory of 1076 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1240 wrote to memory of 1076 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\3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
IE 20.82.154.241:443 tcp
US 117.18.237.29:80 tcp
US 152.195.38.76:80 tcp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 34.146.190.20.in-addr.arpa udp
IE 20.82.154.241:443 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
NL 20.50.201.200:443 tcp
US 8.8.8.8:53 42.220.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.192.144.4.in-addr.arpa udp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 117.18.237.29:80 tcp
US 8.8.8.8:53 99.113.223.173.in-addr.arpa udp
GB 52.123.242.0:80 config.edge.skype.com tcp
US 8.8.8.8:53 0.242.123.52.in-addr.arpa udp
US 117.18.237.29:80 tcp
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/1076-133-0x0000000010000000-0x000000001000F000-memory.dmp

memory/1076-137-0x0000000002DA0000-0x0000000002DAE000-memory.dmp

memory/1076-142-0x0000000002D80000-0x0000000002D81000-memory.dmp

memory/1076-143-0x0000000002DD0000-0x0000000002DDD000-memory.dmp

memory/1076-146-0x0000000062540000-0x000000006257C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-21 14:36

Reported

2023-03-21 14:39

Platform

win7-20230220-en

Max time kernel

141s

Max time network

34s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382.dll

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1540 wrote to memory of 1416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1540 wrote to memory of 1416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1540 wrote to memory of 1416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1540 wrote to memory of 1416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1540 wrote to memory of 1416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1540 wrote to memory of 1416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1540 wrote to memory of 1416 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\3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382.dll

Network

N/A

Files

memory/1416-54-0x0000000010000000-0x000000001000F000-memory.dmp

memory/1416-58-0x00000000001F0000-0x00000000001FE000-memory.dmp

memory/1416-63-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/1416-64-0x0000000062540000-0x000000006257C000-memory.dmp