Malware Analysis Report

2025-03-15 07:45

Sample ID 240204-fw6hhacefn
Target 8e4dbad1fadad50adc35b44883093421
SHA256 ecc665fd1702211c3bbb17d92e91499583a875b458ea095be7cca9c22cac0ca9
Tags
gozi 1518 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

ecc665fd1702211c3bbb17d92e91499583a875b458ea095be7cca9c22cac0ca9

Threat Level: Known bad

The file 8e4dbad1fadad50adc35b44883093421 was found to be: Known bad.

Malicious Activity Summary

gozi 1518 banker isfb trojan

Gozi

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-04 05:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-04 05:14

Reported

2024-02-04 05:16

Platform

win7-20231215-en

Max time kernel

140s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e4dbad1fadad50adc35b44883093421.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2920 wrote to memory of 1236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2920 wrote to memory of 1236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2920 wrote to memory of 1236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2920 wrote to memory of 1236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2920 wrote to memory of 1236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2920 wrote to memory of 1236 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2920 wrote to memory of 1236 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\8e4dbad1fadad50adc35b44883093421.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e4dbad1fadad50adc35b44883093421.dll,#1

Network

N/A

Files

memory/1236-0-0x0000000074810000-0x00000000748FF000-memory.dmp

memory/1236-1-0x0000000074810000-0x00000000748FF000-memory.dmp

memory/1236-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

memory/1236-3-0x0000000074810000-0x00000000748FF000-memory.dmp

memory/1236-6-0x0000000074810000-0x00000000748FF000-memory.dmp

memory/1236-7-0x0000000074810000-0x00000000748FF000-memory.dmp

memory/1236-11-0x0000000074810000-0x00000000748FF000-memory.dmp

memory/1236-13-0x0000000074810000-0x00000000748FF000-memory.dmp

memory/1236-14-0x0000000074810000-0x00000000748FF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-04 05:14

Reported

2024-02-04 05:17

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e4dbad1fadad50adc35b44883093421.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 392 wrote to memory of 5028 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 392 wrote to memory of 5028 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 392 wrote to memory of 5028 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\8e4dbad1fadad50adc35b44883093421.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e4dbad1fadad50adc35b44883093421.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp

Files

memory/5028-0-0x00000000751D0000-0x00000000752BF000-memory.dmp

memory/5028-2-0x00000000751D0000-0x00000000752BF000-memory.dmp

memory/5028-3-0x0000000000F30000-0x0000000000F31000-memory.dmp

memory/5028-4-0x00000000751D0000-0x00000000752BF000-memory.dmp

memory/5028-5-0x00000000751D0000-0x00000000752BF000-memory.dmp

memory/5028-6-0x00000000751D0000-0x00000000752BF000-memory.dmp

memory/5028-7-0x00000000751D0000-0x00000000752BF000-memory.dmp