Malware Analysis Report

2025-08-05 13:07

Sample ID 220323-f121wacccp
Target gozi.payload-disk
SHA256 4d34a7f79a78d18656167c38f4fb33d5e9a3e233e84a2238f2d0f6df208b52fa
Tags
7627 gozi_ifsb
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

4d34a7f79a78d18656167c38f4fb33d5e9a3e233e84a2238f2d0f6df208b52fa

Threat Level: Known bad

The file gozi.payload-disk was found to be: Known bad.

Malicious Activity Summary

7627 gozi_ifsb

Gozi_ifsb family

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-03-23 05:21

Signatures

Gozi_ifsb family

gozi_ifsb

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-23 05:21

Reported

2022-03-23 05:23

Platform

win10v2004-en-20220113

Max time kernel

131s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\gozi.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2800 wrote to memory of 3272 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2800 wrote to memory of 3272 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2800 wrote to memory of 3272 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\gozi.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\gozi.dll,#1

Network

Country Destination Domain Proto
US 13.107.4.50:80 tcp
US 13.107.4.50:80 tcp

Files

memory/3272-130-0x0000000000000000-mapping.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-23 05:21

Reported

2022-03-23 05:23

Platform

win7-20220310-en

Max time kernel

4294179s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\gozi.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\gozi.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\gozi.dll,#1

Network

N/A

Files

memory/784-54-0x0000000000000000-mapping.dmp

memory/784-55-0x00000000760B1000-0x00000000760B3000-memory.dmp