Malware Analysis Report

2024-10-23 15:37

Sample ID 220803-q3h1wsbgb4
Target 628bc58.dll
SHA256 5409ba01037c586c729d8bda05492461ce1c88e565a13c181b7f5cb49bb5902e
Tags
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

5409ba01037c586c729d8bda05492461ce1c88e565a13c181b7f5cb49bb5902e

Threat Level: Known bad

The file 628bc58.dll was found to be: Known bad.

Malicious Activity Summary

gozi_ifsb

Gozi_ifsb family

Blocklisted process makes network request

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-08-03 13:47

Signatures

Gozi_ifsb family

gozi_ifsb

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-03 13:47

Reported

2022-08-03 13:49

Platform

win7-20220718-en

Max time kernel

42s

Max time network

45s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\628bc58.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\628bc58.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\628bc58.dll,#1

Network

N/A

Files

memory/2012-54-0x0000000000000000-mapping.dmp

memory/2012-55-0x00000000758B1000-0x00000000758B3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-03 13:47

Reported

2022-08-03 13:49

Platform

win10v2004-20220722-en

Max time kernel

142s

Max time network

145s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\628bc58.dll,#1

Signatures

Blocklisted process makes network request

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

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 3924 wrote to memory of 4468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3924 wrote to memory of 4468 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3924 wrote to memory of 4468 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\628bc58.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\628bc58.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4468 -ip 4468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 700

Network

Country Destination Domain Proto
US 173.232.146.100:8080 tcp

Files

memory/4468-132-0x0000000000000000-mapping.dmp