Malware Analysis Report

2025-03-15 03:51

Sample ID 230904-3h687sca31
Target fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184
SHA256 fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184
Tags
rat infostealer fatalrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184

Threat Level: Known bad

The file fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184 was found to be: Known bad.

Malicious Activity Summary

rat infostealer fatalrat

Fatal Rat payload

Fatalrat family

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-04 23:31

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: behavioral2

Detonation Overview

Submitted

2023-09-04 23:31

Reported

2023-09-04 23:34

Platform

win10v2004-20230831-en

Max time kernel

142s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe

"C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 388 -ip 388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 516

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 254.139.248.8.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-04 23:31

Reported

2023-09-04 23:34

Platform

win7-20230831-en

Max time kernel

119s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe

"C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 196

Network

N/A

Files

N/A