Malware Analysis Report

2025-03-15 07:45

Sample ID 240216-gj25zsbf85
Target 9f9830791b377db452e376b1f5b7a609
SHA256 e1eccd1c27d390a9b08fe3314e450b97348d36fccf0cdada901edf9270a503bd
Tags
gozi 1500 banker isfb 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

e1eccd1c27d390a9b08fe3314e450b97348d36fccf0cdada901edf9270a503bd

Threat Level: Known bad

The file 9f9830791b377db452e376b1f5b7a609 was found to be: Known bad.

Malicious Activity Summary

gozi 1500 banker isfb trojan

Gozi

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-16 05:50

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-16 05:50

Reported

2024-02-16 05:53

Platform

win7-20231215-en

Max time kernel

142s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f9830791b377db452e376b1f5b7a609.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2432 wrote to memory of 2832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2432 wrote to memory of 2832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2432 wrote to memory of 2832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2432 wrote to memory of 2832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2432 wrote to memory of 2832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2432 wrote to memory of 2832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2432 wrote to memory of 2832 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\9f9830791b377db452e376b1f5b7a609.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f9830791b377db452e376b1f5b7a609.dll,#1

Network

N/A

Files

memory/2832-0-0x0000000074BB0000-0x0000000074C63000-memory.dmp

memory/2832-1-0x0000000074BB0000-0x0000000074C63000-memory.dmp

memory/2832-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

memory/2832-3-0x00000000000E0000-0x00000000000ED000-memory.dmp

memory/2832-6-0x0000000074BB0000-0x0000000074C63000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-16 05:50

Reported

2024-02-16 05:53

Platform

win10v2004-20231215-en

Max time kernel

146s

Max time network

157s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f9830791b377db452e376b1f5b7a609.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3640 wrote to memory of 3080 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3640 wrote to memory of 3080 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3640 wrote to memory of 3080 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\9f9830791b377db452e376b1f5b7a609.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f9830791b377db452e376b1f5b7a609.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 gtr.antoinfer.com udp
US 8.8.8.8:53 app.bighomegl.at udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 gtr.antoinfer.com udp
US 8.8.8.8:53 app.bighomegl.at udp
US 8.8.8.8:53 gtr.antoinfer.com udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/3080-0-0x0000000075790000-0x0000000075843000-memory.dmp

memory/3080-1-0x0000000001230000-0x0000000001231000-memory.dmp

memory/3080-2-0x0000000075790000-0x0000000075843000-memory.dmp

memory/3080-3-0x0000000075790000-0x0000000075843000-memory.dmp

memory/3080-4-0x0000000001300000-0x000000000130D000-memory.dmp

memory/3080-7-0x0000000075790000-0x0000000075843000-memory.dmp