Malware Analysis Report

2025-08-11 01:45

Sample ID 230308-mqr69aff58
Target 368-135-0x0000000000530000-0x000000000053D000-memory.dmp
SHA256 d9050b7251e389b34a9028447e79dd714346007bf2981152508c567ad31ec5d3
Tags
isfb 7711 gozi
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

d9050b7251e389b34a9028447e79dd714346007bf2981152508c567ad31ec5d3

Threat Level: Known bad

The file 368-135-0x0000000000530000-0x000000000053D000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

isfb 7711 gozi

Gozi family

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-03-08 10:40

Signatures

Gozi family

gozi

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-08 10:40

Reported

2023-03-08 10:43

Platform

win10v2004-20230221-en

Max time kernel

77s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\368-135-0x0000000000530000-0x000000000053D000-memory.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1764 wrote to memory of 1432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1764 wrote to memory of 1432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1764 wrote to memory of 1432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\368-135-0x0000000000530000-0x000000000053D000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\368-135-0x0000000000530000-0x000000000053D000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 560

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 11.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 199.176.139.52.in-addr.arpa udp
US 8.8.8.8:53 35.146.190.20.in-addr.arpa udp
US 8.8.8.8:53 177.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 13.89.179.8:443 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-08 10:40

Reported

2023-03-08 10:43

Platform

win7-20230220-en

Max time kernel

31s

Max time network

33s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\368-135-0x0000000000530000-0x000000000053D000-memory.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\368-135-0x0000000000530000-0x000000000053D000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\368-135-0x0000000000530000-0x000000000053D000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 196

Network

N/A

Files

N/A