Malware Analysis Report

2025-01-22 18:53

Sample ID 240307-z4gznaeb57
Target 1724-55-0x0000000000150000-0x00000000001B4000-memory.dmp
SHA256 1a852dd97365373ea080d62ed16c09864b3d0a809c57a1c758a34e68d2aa393b
Tags
isfb 999665 gozi
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

1a852dd97365373ea080d62ed16c09864b3d0a809c57a1c758a34e68d2aa393b

Threat Level: Known bad

The file 1724-55-0x0000000000150000-0x00000000001B4000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

isfb 999665 gozi

Gozi family

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-07 21:16

Signatures

Gozi family

gozi

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-07 21:16

Reported

2024-03-07 21:18

Platform

win7-20240221-en

Max time kernel

118s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1724-55-0x0000000000150000-0x00000000001B4000-memory.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1724-55-0x0000000000150000-0x00000000001B4000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1724-55-0x0000000000150000-0x00000000001B4000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 192

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-07 21:16

Reported

2024-03-07 21:18

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1724-55-0x0000000000150000-0x00000000001B4000-memory.dll,#1

Signatures

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 4764 wrote to memory of 3476 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4764 wrote to memory of 3476 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4764 wrote to memory of 3476 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\1724-55-0x0000000000150000-0x00000000001B4000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1724-55-0x0000000000150000-0x00000000001B4000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3476 -ip 3476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 560

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
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 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 16.234.44.23.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.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 23.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 64.179.17.96.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 8.8.8.8:53 205.178.17.96.in-addr.arpa udp

Files

N/A