Malware Analysis Report

2025-08-06 04:28

Sample ID 220319-kxdlbseghn
Target 54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9
SHA256 54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9
Tags
gozi_ifsb 1100 banker trojan
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

54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9

Threat Level: Known bad

The file 54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9 was found to be: Known bad.

Malicious Activity Summary

gozi_ifsb 1100 banker trojan

Gozi, Gozi IFSB

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-03-19 08:58

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-19 08:58

Reported

2022-03-19 09:23

Platform

win7-20220311-en

Max time kernel

4294181s

Max time network

135s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9.dll,#1

Signatures

Gozi, Gozi IFSB

banker trojan gozi_ifsb

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9.dll,#1

Network

N/A

Files

memory/596-54-0x0000000075561000-0x0000000075563000-memory.dmp

memory/596-56-0x0000000000130000-0x000000000013F000-memory.dmp

memory/596-55-0x0000000000130000-0x000000000013F000-memory.dmp

memory/596-57-0x0000000000190000-0x00000000001CD000-memory.dmp

memory/596-58-0x0000000000130000-0x000000000013F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-19 08:58

Reported

2022-03-19 09:23

Platform

win10v2004-en-20220113

Max time kernel

94s

Max time network

169s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9.dll,#1

Signatures

Gozi, Gozi IFSB

banker trojan gozi_ifsb

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 4920 wrote to memory of 4304 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4920 wrote to memory of 4304 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4920 wrote to memory of 4304 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\54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\54ea3470b7b6a4653c7253a874118971b842c3d38dcca7f65f3ec4446b63dff9.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4304 -ip 4304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 620

Network

Country Destination Domain Proto
NL 104.110.191.133:80 tcp

Files

memory/4304-130-0x0000000002740000-0x000000000277D000-memory.dmp

memory/4304-131-0x0000000000BE0000-0x0000000000BEF000-memory.dmp