Malware Analysis Report

2025-01-22 18:58

Sample ID 240314-3sraqscg97
Target c9f066a13bacd2ccbf3626abad00e8c7
SHA256 8a6eb281660bc45492130edc3bc4b0b8e9df55299c20388832d3ff1f919bc6cf
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

8a6eb281660bc45492130edc3bc4b0b8e9df55299c20388832d3ff1f919bc6cf

Threat Level: Known bad

The file c9f066a13bacd2ccbf3626abad00e8c7 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

2024-03-14 23:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-14 23:46

Reported

2024-03-14 23:49

Platform

win7-20231129-en

Max time kernel

141s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9f066a13bacd2ccbf3626abad00e8c7.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1108 wrote to memory of 2188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1108 wrote to memory of 2188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1108 wrote to memory of 2188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1108 wrote to memory of 2188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1108 wrote to memory of 2188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1108 wrote to memory of 2188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1108 wrote to memory of 2188 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\c9f066a13bacd2ccbf3626abad00e8c7.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9f066a13bacd2ccbf3626abad00e8c7.dll,#1

Network

N/A

Files

memory/2188-0-0x0000000074920000-0x0000000074A2D000-memory.dmp

memory/2188-1-0x0000000074920000-0x0000000074A2D000-memory.dmp

memory/2188-2-0x0000000074920000-0x0000000074A2D000-memory.dmp

memory/2188-3-0x0000000074920000-0x0000000074A2D000-memory.dmp

memory/2188-4-0x0000000074920000-0x0000000074A2D000-memory.dmp

memory/2188-7-0x0000000074920000-0x0000000074A2D000-memory.dmp

memory/2188-9-0x0000000074920000-0x0000000074A2D000-memory.dmp

memory/2188-11-0x0000000074920000-0x0000000074A2D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 23:46

Reported

2024-03-14 23:49

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9f066a13bacd2ccbf3626abad00e8c7.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 392 wrote to memory of 184 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 392 wrote to memory of 184 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 392 wrote to memory of 184 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\c9f066a13bacd2ccbf3626abad00e8c7.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9f066a13bacd2ccbf3626abad00e8c7.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 45.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.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 55.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 gtr.antoinfer.com udp
US 8.8.8.8:53 f1.bablefiler.at udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 gtr.antoinfer.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 68.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 f1.bablefiler.at 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 gtr.antoinfer.com udp
US 8.8.8.8:53 f1.bablefiler.at udp

Files

memory/184-0-0x0000000074E70000-0x0000000074F7D000-memory.dmp

memory/184-1-0x0000000074E70000-0x0000000074F7D000-memory.dmp

memory/184-2-0x0000000000E30000-0x0000000000E31000-memory.dmp

memory/184-3-0x0000000002420000-0x000000000242D000-memory.dmp

memory/184-6-0x0000000074E70000-0x0000000074F7D000-memory.dmp