Malware Analysis Report

2025-03-15 03:54

Sample ID 230515-hcqztahd8w
Target 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
SHA256 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
Tags
fatalrat infostealer persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68

Threat Level: Known bad

The file 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68 was found to be: Known bad.

Malicious Activity Summary

fatalrat infostealer persistence rat

FatalRat

Fatal Rat payload

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-15 06:35

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-15 06:35

Reported

2023-05-15 06:38

Platform

win10v2004-20230220-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe"

Signatures

FatalRat

infostealer rat fatalrat

Fatal Rat payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe" C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

"C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe"

C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

"C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
HK 43.224.153.67:9785 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
HK 43.224.153.67:9785 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
HK 43.224.153.67:9785 tcp
US 40.125.122.176:443 tcp
US 20.42.65.89:443 tcp
HK 43.224.153.67:9785 tcp
NL 8.238.20.126:80 tcp
NL 8.238.177.126:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 40.125.122.176:443 tcp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
NL 8.238.177.126:80 tcp
NL 8.238.177.126:80 tcp
HK 43.224.153.67:9785 tcp
US 40.125.122.176:443 tcp
HK 43.224.153.67:9785 tcp
US 40.125.122.176:443 tcp
HK 43.224.153.67:9785 tcp
US 40.125.122.176:443 tcp
HK 43.224.153.67:9785 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp

Files

memory/1260-133-0x0000000010000000-0x000000001001C000-memory.dmp

C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

MD5 6a0194e75f93836b7bb1bf35b3f97bec
SHA1 a5e9084913409fc26723b0fc6f85163831a5ec3d
SHA256 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
SHA512 fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

MD5 6a0194e75f93836b7bb1bf35b3f97bec
SHA1 a5e9084913409fc26723b0fc6f85163831a5ec3d
SHA256 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
SHA512 fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

MD5 6a0194e75f93836b7bb1bf35b3f97bec
SHA1 a5e9084913409fc26723b0fc6f85163831a5ec3d
SHA256 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
SHA512 fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-15 06:35

Reported

2023-05-15 06:38

Platform

win7-20230220-en

Max time kernel

118s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe"

Signatures

FatalRat

infostealer rat fatalrat

Fatal Rat payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe" C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

"C:\Users\Admin\AppData\Local\Temp\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe"

C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

"C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe"

Network

Country Destination Domain Proto
HK 43.224.153.67:9785 tcp
HK 43.224.153.67:9785 tcp
HK 43.224.153.67:9785 tcp
HK 43.224.153.67:9785 tcp
HK 43.224.153.67:9785 tcp
HK 43.224.153.67:9785 tcp
HK 43.224.153.67:9785 tcp
HK 43.224.153.67:9785 tcp

Files

memory/1204-54-0x0000000010000000-0x000000001001C000-memory.dmp

\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

MD5 6a0194e75f93836b7bb1bf35b3f97bec
SHA1 a5e9084913409fc26723b0fc6f85163831a5ec3d
SHA256 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
SHA512 fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

MD5 6a0194e75f93836b7bb1bf35b3f97bec
SHA1 a5e9084913409fc26723b0fc6f85163831a5ec3d
SHA256 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
SHA512 fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

MD5 6a0194e75f93836b7bb1bf35b3f97bec
SHA1 a5e9084913409fc26723b0fc6f85163831a5ec3d
SHA256 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
SHA512 fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

C:\Users\Admin\AppData\Local\4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68.exe

MD5 6a0194e75f93836b7bb1bf35b3f97bec
SHA1 a5e9084913409fc26723b0fc6f85163831a5ec3d
SHA256 4d47519be2d16e63207ce56bd0500706b49150ec068bcc35f6e439aa99a60d68
SHA512 fad213549b0cf045c475a0f101922b0d87ba9615141cef19168b135f3afa50725e88b77c629ba55f78a79033e79fc73db7971d7c05097bd0fd147b5d7a8d0641

memory/872-69-0x0000000010000000-0x000000001001C000-memory.dmp