Malware Analysis Report

2025-01-22 18:58

Sample ID 240317-qkrv3sfb84
Target d0f743aa91ffa305b63123ef164329f6
SHA256 2850cd5c3bd922bdb3f361a2af40d1644fce9e4fe852879f0a1c4ad691c032b3
Tags
gozi 3500 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

2850cd5c3bd922bdb3f361a2af40d1644fce9e4fe852879f0a1c4ad691c032b3

Threat Level: Known bad

The file d0f743aa91ffa305b63123ef164329f6 was found to be: Known bad.

Malicious Activity Summary

gozi 3500 banker isfb trojan

Gozi

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-17 13:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-17 13:19

Reported

2024-03-17 13:22

Platform

win7-20240221-en

Max time kernel

142s

Max time network

131s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f743aa91ffa305b63123ef164329f6.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1964 wrote to memory of 2520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1964 wrote to memory of 2520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1964 wrote to memory of 2520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1964 wrote to memory of 2520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1964 wrote to memory of 2520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1964 wrote to memory of 2520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1964 wrote to memory of 2520 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\d0f743aa91ffa305b63123ef164329f6.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f743aa91ffa305b63123ef164329f6.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 gtr.antoinfer.com udp
US 8.8.8.8:53 app.bighomegl.at udp

Files

memory/2520-0-0x0000000074AB0000-0x0000000074B6F000-memory.dmp

memory/2520-1-0x0000000074AB0000-0x0000000074B6F000-memory.dmp

memory/2520-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

memory/2520-3-0x0000000000670000-0x000000000067D000-memory.dmp

memory/2520-6-0x0000000074AB0000-0x0000000074B6F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-17 13:19

Reported

2024-03-17 13:22

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f743aa91ffa305b63123ef164329f6.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 952 wrote to memory of 3180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 952 wrote to memory of 3180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 952 wrote to memory of 3180 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\d0f743aa91ffa305b63123ef164329f6.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f743aa91ffa305b63123ef164329f6.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.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 8.8.8.8:53 209.178.17.96.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 42.175.16.69.in-addr.arpa udp
US 8.8.8.8:53 64.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 app.bighomegl.at udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.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
GB 96.17.178.193:80 tcp

Files

memory/3180-0-0x0000000075350000-0x000000007540F000-memory.dmp

memory/3180-1-0x0000000075350000-0x000000007540F000-memory.dmp

memory/3180-2-0x00000000009F0000-0x00000000009F1000-memory.dmp

memory/3180-3-0x0000000001020000-0x000000000102D000-memory.dmp

memory/3180-6-0x0000000075350000-0x000000007540F000-memory.dmp