Malware Analysis Report

2025-08-10 12:29

Sample ID 230415-m9rptsfd6z
Target d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54
SHA256 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54
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

d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54

Threat Level: Known bad

The file d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys collection stealer

Detect rhadamanthys stealer shellcode

Rhadamanthys

Accesses Microsoft Outlook profiles

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 11:10

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 11:10

Reported

2023-04-15 11:12

Platform

win10-20230220-en

Max time kernel

51s

Max time network

75s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.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-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-3346939869-2835594282-3775165920-1000\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-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe

"C:\Users\Admin\AppData\Local\Temp\d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54.exe"

C:\Windows\system32\dllhost.exe

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

Network

Country Destination Domain Proto
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
JP 40.74.98.192:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp

Files

memory/3944-121-0x0000000000810000-0x000000000083E000-memory.dmp

memory/3944-122-0x0000000000400000-0x000000000080F000-memory.dmp

memory/3944-125-0x0000000002430000-0x000000000244C000-memory.dmp

memory/3944-126-0x0000000002430000-0x000000000244C000-memory.dmp

memory/3944-127-0x00000000001D0000-0x00000000001D2000-memory.dmp

memory/3944-128-0x0000000002430000-0x000000000244C000-memory.dmp

memory/4392-129-0x000002C2C2200000-0x000002C2C2201000-memory.dmp

memory/4392-133-0x000002C2C21B0000-0x000002C2C21B7000-memory.dmp

memory/3944-132-0x00000000001D0000-0x00000000001D3000-memory.dmp

memory/4392-134-0x00007FF676960000-0x00007FF676A5A000-memory.dmp

memory/4392-135-0x00007FF676960000-0x00007FF676A5A000-memory.dmp

memory/3944-136-0x0000000000400000-0x000000000080F000-memory.dmp

memory/3944-137-0x0000000002430000-0x000000000244C000-memory.dmp

memory/4392-138-0x00007FF676960000-0x00007FF676A5A000-memory.dmp

memory/4392-139-0x00007FF676960000-0x00007FF676A5A000-memory.dmp

memory/4392-140-0x00007FF676960000-0x00007FF676A5A000-memory.dmp

memory/4392-141-0x00007FF676960000-0x00007FF676A5A000-memory.dmp