Malware Analysis Report

2025-08-10 12:29

Sample ID 230415-x97fdsfd42
Target 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6
SHA256 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6
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

66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6

Threat Level: Known bad

The file 66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6 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 19:34

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 19:34

Reported

2023-04-15 19:36

Platform

win10-20230220-en

Max time kernel

68s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.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-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\10.0\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-1-5-21-1311743041-1167936498-546579926-1000\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-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe

"C:\Users\Admin\AppData\Local\Temp\66bcf45409819e0225f46a4942eb292fe0eec705fe467863642220744ab00bb6.exe"

C:\Windows\system32\dllhost.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.3.197.209.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
JP 40.79.189.59:443 tcp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp

Files

memory/2056-122-0x00000000009A0000-0x00000000009CE000-memory.dmp

memory/2056-123-0x0000000000400000-0x000000000080F000-memory.dmp

memory/2056-126-0x00000000001D0000-0x00000000001EC000-memory.dmp

memory/2056-127-0x00000000001D0000-0x00000000001EC000-memory.dmp

memory/2056-128-0x00000000009D0000-0x00000000009D2000-memory.dmp

memory/2056-129-0x00000000001D0000-0x00000000001EC000-memory.dmp

memory/2676-130-0x00000247B1E50000-0x00000247B1E51000-memory.dmp

memory/2056-131-0x00000000009D0000-0x00000000009D3000-memory.dmp

memory/2676-132-0x00000247B1E00000-0x00000247B1E07000-memory.dmp

memory/2676-133-0x00007FF76F0B0000-0x00007FF76F1AA000-memory.dmp

memory/2676-136-0x00007FF76F0B0000-0x00007FF76F1AA000-memory.dmp

memory/2056-137-0x0000000000400000-0x000000000080F000-memory.dmp

memory/2056-138-0x00000000001D0000-0x00000000001EC000-memory.dmp

memory/2676-139-0x00007FF76F0B0000-0x00007FF76F1AA000-memory.dmp

memory/2676-140-0x00007FF76F0B0000-0x00007FF76F1AA000-memory.dmp

memory/2676-141-0x00007FF76F0B0000-0x00007FF76F1AA000-memory.dmp

memory/2676-142-0x00007FF76F0B0000-0x00007FF76F1AA000-memory.dmp