Malware Analysis Report

2025-06-16 04:53

Sample ID 220614-kp51lshbc5
Target gozi.payload-disk
SHA256 9fe764ec2cf232b5cf3afbdac83da4846ab4a7e11e5fda936097eec79bffa72b
Tags
3000 gozi_ifsb
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

9fe764ec2cf232b5cf3afbdac83da4846ab4a7e11e5fda936097eec79bffa72b

Threat Level: Known bad

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

Malicious Activity Summary

3000 gozi_ifsb

Gozi_ifsb family

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-06-14 08:47

Signatures

Gozi_ifsb family

gozi_ifsb

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-14 08:47

Reported

2022-06-14 08:50

Platform

win7-20220414-en

Max time kernel

42s

Max time network

44s

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/1172-54-0x0000000000000000-mapping.dmp

memory/1172-55-0x00000000755A1000-0x00000000755A3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-14 08:47

Reported

2022-06-14 08:50

Platform

win10v2004-20220414-en

Max time kernel

91s

Max time network

136s

Command Line

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

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4644 wrote to memory of 4236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4644 wrote to memory of 4236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4644 wrote to memory of 4236 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
NL 8.238.23.254:80 tcp
US 20.189.173.6:443 tcp
NL 8.238.23.254:80 tcp
NL 8.238.23.254:80 tcp
NL 8.238.23.254:80 tcp

Files

memory/4236-130-0x0000000000000000-mapping.dmp