Malware Analysis Report

2025-03-15 03:55

Sample ID 230902-jcwezabd6y
Target b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c
SHA256 b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c
Tags
rat infostealer fatalrat
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

b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c

Threat Level: Known bad

The file b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c was found to be: Known bad.

Malicious Activity Summary

rat infostealer fatalrat

Fatalrat family

Fatal Rat payload

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-02 07:31

Signatures

Fatal Rat payload

rat infostealer
Description Indicator Process Target
N/A N/A N/A N/A

Fatalrat family

fatalrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-02 07:31

Reported

2023-09-02 07:34

Platform

win7-20230831-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe

"C:\Users\Admin\AppData\Local\Temp\b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 196

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-02 07:31

Reported

2023-09-02 07:34

Platform

win10v2004-20230831-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe

"C:\Users\Admin\AppData\Local\Temp\b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 228 -ip 228

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 512

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 254.5.248.8.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 38.148.119.40.in-addr.arpa udp

Files

N/A