Malware Analysis Report

2025-03-15 07:25

Sample ID 241106-vhk2zawnhj
Target 798d5713512b5cb6228138ceea7c8066.bin
SHA256 eb5dcbde491776a5abe1340f2653684ab8a0e7b0f0c68a3a7787d2e97dff329a
Tags
isfb 3000 gozi discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

eb5dcbde491776a5abe1340f2653684ab8a0e7b0f0c68a3a7787d2e97dff329a

Threat Level: Known bad

The file 798d5713512b5cb6228138ceea7c8066.bin was found to be: Known bad.

Malicious Activity Summary

isfb 3000 gozi discovery

Gozi family

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 16:59

Signatures

Gozi family

gozi

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 16:59

Reported

2024-11-06 17:02

Platform

win7-20241010-en

Max time kernel

122s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\413cf6a694eef7a4f1725a11938f1ab2df1957bfb3bf20cf6a47017bebbad2a9.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2368 wrote to memory of 2564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2368 wrote to memory of 2564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2368 wrote to memory of 2564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2368 wrote to memory of 2564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2368 wrote to memory of 2564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2368 wrote to memory of 2564 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2368 wrote to memory of 2564 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\413cf6a694eef7a4f1725a11938f1ab2df1957bfb3bf20cf6a47017bebbad2a9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\413cf6a694eef7a4f1725a11938f1ab2df1957bfb3bf20cf6a47017bebbad2a9.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 16:59

Reported

2024-11-06 17:01

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\413cf6a694eef7a4f1725a11938f1ab2df1957bfb3bf20cf6a47017bebbad2a9.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2612 wrote to memory of 2408 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2612 wrote to memory of 2408 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2612 wrote to memory of 2408 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\413cf6a694eef7a4f1725a11938f1ab2df1957bfb3bf20cf6a47017bebbad2a9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\413cf6a694eef7a4f1725a11938f1ab2df1957bfb3bf20cf6a47017bebbad2a9.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 106.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A