Malware Analysis Report

2025-08-11 06:19

Sample ID 230415-b3v8wscf65
Target a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2
SHA256 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2
Tags
rhadamanthys collection stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2

Threat Level: Known bad

The file a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys collection stealer

Rhadamanthys

Detect rhadamanthys stealer shellcode

Accesses Microsoft Outlook profiles

Program crash

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

outlook_office_path

outlook_win_path

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 01:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 01:40

Reported

2023-04-15 01:43

Platform

win10v2004-20230220-en

Max time kernel

88s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe"

Signatures

Detect rhadamanthys stealer shellcode

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

Rhadamanthys

stealer rhadamanthys

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\dllhost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\system32\dllhost.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe

"C:\Users\Admin\AppData\Local\Temp\a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2.exe"

C:\Windows\system32\dllhost.exe

"C:\Windows\system32\dllhost.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4696 -ip 4696

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 728

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
PA 179.43.142.201:80 catalog.s.download.windowsupdate.com tcp
US 8.8.8.8:53 201.142.43.179.in-addr.arpa udp
PA 179.43.142.201:80 179.43.142.201 tcp
US 52.152.108.96:443 tcp
US 20.189.173.12:443 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 1.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
NL 8.238.20.126:80 tcp
US 93.184.220.29:80 tcp
NL 8.238.20.126:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp

Files

memory/4696-134-0x0000000000950000-0x000000000097E000-memory.dmp

memory/4696-135-0x0000000000400000-0x000000000080F000-memory.dmp

memory/4696-138-0x0000000000980000-0x000000000099C000-memory.dmp

memory/4696-139-0x00000000009A0000-0x00000000009BA000-memory.dmp

memory/4696-140-0x0000000000980000-0x000000000099C000-memory.dmp

memory/4696-141-0x0000000000980000-0x000000000099C000-memory.dmp

memory/4824-142-0x0000020361B90000-0x0000020361B91000-memory.dmp

memory/4696-143-0x00000000009A0000-0x00000000009BA000-memory.dmp

memory/4824-144-0x0000020361CB0000-0x0000020361CB7000-memory.dmp

memory/4824-145-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp

memory/4824-146-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp

memory/4696-147-0x0000000000400000-0x000000000080F000-memory.dmp

memory/4696-148-0x0000000000980000-0x000000000099C000-memory.dmp

memory/4824-149-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp

memory/4824-150-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp

memory/4824-151-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp

memory/4824-152-0x00007FF4EDB60000-0x00007FF4EDC5A000-memory.dmp