Malware Analysis Report

2025-08-10 12:29

Sample ID 230415-p87e1aeb48
Target c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c
SHA256 c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c
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

c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c

Threat Level: Known bad

The file c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c was found to be: Known bad.

Malicious Activity Summary

rhadamanthys collection stealer

Detect rhadamanthys stealer shellcode

Rhadamanthys

Accesses Microsoft Outlook profiles

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 13:01

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 13:01

Reported

2023-04-15 13:03

Platform

win10v2004-20230221-en

Max time kernel

135s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.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 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-1-5-21-2805025096-2326403612-4231045514-1000\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\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.exe

"C:\Users\Admin\AppData\Local\Temp\c90741a043ee54880a939009935f65d458437c3f25ef66d0388a1b8083aec99c.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 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 732

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.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
PA 179.43.142.201:80 179.43.142.201 tcp
US 52.152.110.14:443 tcp
US 20.189.173.2:443 tcp
US 93.184.221.240:80 tcp
US 52.152.110.14:443 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/1516-134-0x0000000002550000-0x000000000257E000-memory.dmp

memory/1516-135-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1516-138-0x0000000002580000-0x000000000259C000-memory.dmp

memory/1516-139-0x00000000025A0000-0x00000000025BA000-memory.dmp

memory/1516-140-0x0000000002580000-0x000000000259C000-memory.dmp

memory/1516-141-0x0000000002580000-0x000000000259C000-memory.dmp

memory/1072-142-0x000002572C840000-0x000002572C841000-memory.dmp

memory/1072-144-0x000002572C960000-0x000002572C967000-memory.dmp

memory/1516-143-0x00000000025D0000-0x00000000025D2000-memory.dmp

memory/1072-145-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp

memory/1072-146-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp

memory/1072-148-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp

memory/1516-149-0x0000000002580000-0x000000000259C000-memory.dmp

memory/1516-147-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1072-150-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp

memory/1072-151-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp

memory/1072-152-0x00007FF493F00000-0x00007FF493FFA000-memory.dmp