Malware Analysis Report

2025-08-05 09:57

Sample ID 230419-rg4wxaba28
Target b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6
SHA256 b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6
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

b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6

Threat Level: Known bad

The file b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys collection stealer

Detect rhadamanthys stealer shellcode

Rhadamanthys

Accesses Microsoft Outlook profiles

Program crash

outlook_office_path

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-19 14:10

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-19 14:10

Reported

2023-04-19 14:13

Platform

win10v2004-20230220-en

Max time kernel

60s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe

"C:\Users\Admin\AppData\Local\Temp\b8fe0a4de08b6c3c918f2074941ff4b6d2950ab0e83669f6ce57f12bbab24cf6.exe"

C:\Windows\system32\dllhost.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4732 -ip 4732

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 700

Network

Country Destination Domain Proto
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
PA 179.43.142.201:80 179.43.142.201 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 126.131.241.8.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp

Files

memory/4732-134-0x0000000002E00000-0x0000000002E2E000-memory.dmp

memory/4732-135-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/4732-138-0x0000000002E30000-0x0000000002E4C000-memory.dmp

memory/4732-137-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/4732-139-0x0000000002E30000-0x0000000002E4C000-memory.dmp

memory/4732-140-0x0000000002E50000-0x0000000002E6A000-memory.dmp

memory/4732-141-0x0000000002E30000-0x0000000002E4C000-memory.dmp

memory/3620-142-0x00000166A0140000-0x00000166A0141000-memory.dmp

memory/4732-143-0x0000000004820000-0x0000000004822000-memory.dmp

memory/3620-144-0x00000166A0190000-0x00000166A0197000-memory.dmp

memory/3620-145-0x00007FF468810000-0x00007FF46890A000-memory.dmp

memory/3620-146-0x00007FF468810000-0x00007FF46890A000-memory.dmp

memory/4732-148-0x0000000002E30000-0x0000000002E4C000-memory.dmp

memory/3620-149-0x00007FF468810000-0x00007FF46890A000-memory.dmp

memory/3620-150-0x00007FF468810000-0x00007FF46890A000-memory.dmp

memory/3620-151-0x00007FF468810000-0x00007FF46890A000-memory.dmp

memory/3620-152-0x00007FF468810000-0x00007FF46890A000-memory.dmp