Malware Analysis Report

2025-08-06 00:41

Sample ID 230419-a1hdksha5t
Target 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae
SHA256 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae
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

3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae

Threat Level: Known bad

The file 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae was found to be: Known bad.

Malicious Activity Summary

rhadamanthys collection stealer

Rhadamanthys

Detect rhadamanthys stealer shellcode

Accesses Microsoft Outlook profiles

Program crash

Suspicious behavior: EnumeratesProcesses

outlook_win_path

Checks processor information in registry

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-19 00:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-19 00:40

Reported

2023-04-19 00:43

Platform

win10v2004-20230221-en

Max time kernel

98s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Checks processor information in registry

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe

"C:\Users\Admin\AppData\Local\Temp\3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae.exe"

C:\Windows\system32\dllhost.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 824 -ip 824

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 696

Network

Country Destination Domain Proto
NL 173.223.113.131:80 www.microsoft.com tcp
IE 20.234.34.18:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
IE 20.234.34.18:443 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 139.238.32.23.in-addr.arpa udp
FR 20.40.136.238:443 tcp
US 8.8.8.8:53 58.104.205.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 117.18.237.29:80 tcp
FR 20.40.136.238:443 tcp
US 52.182.143.210:443 tcp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 134.121.24.20.in-addr.arpa udp
US 8.8.8.8:53 113.238.32.23.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 97.238.32.23.in-addr.arpa udp

Files

memory/824-134-0x0000000000AA0000-0x0000000000ACE000-memory.dmp

memory/824-135-0x0000000000400000-0x000000000080F000-memory.dmp

memory/824-138-0x0000000000AE0000-0x0000000000AFC000-memory.dmp

memory/824-139-0x0000000000AE0000-0x0000000000AFC000-memory.dmp

memory/824-140-0x0000000000B00000-0x0000000000B02000-memory.dmp

memory/824-141-0x0000000000AE0000-0x0000000000AFC000-memory.dmp

memory/3136-142-0x00000285BB830000-0x00000285BB831000-memory.dmp

memory/3136-144-0x00000285BBB40000-0x00000285BBB47000-memory.dmp

memory/824-143-0x0000000000B00000-0x0000000000B03000-memory.dmp

memory/3136-145-0x00007FF4A9A60000-0x00007FF4A9B5A000-memory.dmp

memory/3136-146-0x00007FF4A9A60000-0x00007FF4A9B5A000-memory.dmp

memory/824-147-0x0000000000400000-0x000000000080F000-memory.dmp

memory/824-148-0x0000000000AE0000-0x0000000000AFC000-memory.dmp

memory/3136-149-0x00007FF4A9A60000-0x00007FF4A9B5A000-memory.dmp

memory/3136-150-0x00007FF4A9A60000-0x00007FF4A9B5A000-memory.dmp

memory/3136-151-0x00007FF4A9A60000-0x00007FF4A9B5A000-memory.dmp

memory/3136-152-0x00007FF4A9A60000-0x00007FF4A9B5A000-memory.dmp