Malware Analysis Report

2024-10-23 15:38

Sample ID 220803-llzj4aagbr
Target gozi.payload-disk
SHA256 ae9f0663e71d68075993bb8b1576bdc7b7497782ec34741b150c8937f00cc3f4
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

ae9f0663e71d68075993bb8b1576bdc7b7497782ec34741b150c8937f00cc3f4

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

2022-08-03 09:37

Signatures

Gozi_ifsb family

gozi_ifsb

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-03 09:37

Reported

2022-08-03 09:40

Platform

win7-20220715-en

Max time kernel

44s

Max time network

48s

Command Line

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

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1972 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 1876 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

N/A

Files

memory/1876-54-0x0000000000000000-mapping.dmp

memory/1876-55-0x0000000074F71000-0x0000000074F73000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-03 09:37

Reported

2022-08-03 09:40

Platform

win10v2004-20220721-en

Max time kernel

144s

Max time network

146s

Command Line

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

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4536 wrote to memory of 4432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4536 wrote to memory of 4432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4536 wrote to memory of 4432 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
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp
FR 2.18.109.224:443 tcp
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp

Files

memory/4432-130-0x0000000000000000-mapping.dmp