Malware Analysis Report

2025-08-05 13:07

Sample ID 220322-r8r2esgbg4
Target readme
SHA256 64eb761e7ec0ccfd080a70bd1c6a34de92a5e9aea591793ae08155a211ad3726
Tags
gozi_ifsb 7626 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

64eb761e7ec0ccfd080a70bd1c6a34de92a5e9aea591793ae08155a211ad3726

Threat Level: Known bad

The file readme was found to be: Known bad.

Malicious Activity Summary

gozi_ifsb 7626 banker trojan

Gozi, Gozi IFSB

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-03-22 14:52

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-22 14:52

Reported

2022-03-22 14:54

Platform

win7-20220310-en

Max time kernel

4294183s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.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

Processes

C:\Windows\system32\rundll32.exe

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

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 224

Network

N/A

Files

memory/1652-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

memory/1652-56-0x0000000000160000-0x000000000016E000-memory.dmp

memory/1652-55-0x0000000000160000-0x000000000016E000-memory.dmp

memory/1652-58-0x0000000000160000-0x000000000016E000-memory.dmp

memory/1652-59-0x0000000000140000-0x000000000014C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-22 14:52

Reported

2022-03-22 14:54

Platform

win10v2004-20220310-en

Max time kernel

138s

Max time network

141s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.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 3836 wrote to memory of 4788 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3836 wrote to memory of 4788 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3836 wrote to memory of 4788 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\readme.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4788 -ip 4788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 604

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 8.8.8.8:53 licensing.mp.microsoft.com udp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
NL 13.69.109.131:443 tcp

Files

memory/4788-134-0x0000000000550000-0x00000000005F8000-memory.dmp

memory/4788-135-0x00000000006A0000-0x00000000006AE000-memory.dmp

memory/4788-136-0x00000000006A0000-0x00000000006AE000-memory.dmp

memory/4788-138-0x00000000006A0000-0x00000000006AE000-memory.dmp

memory/4788-139-0x0000000000670000-0x000000000067C000-memory.dmp