Malware Analysis Report

2025-08-06 00:41

Sample ID 230419-pcby8acb9x
Target c65dd2ce36142437e478ed59842794c0e47b5ce74f27d05d4879b9447e5e2ea5
SHA256 c65dd2ce36142437e478ed59842794c0e47b5ce74f27d05d4879b9447e5e2ea5
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

c65dd2ce36142437e478ed59842794c0e47b5ce74f27d05d4879b9447e5e2ea5

Threat Level: Known bad

The file c65dd2ce36142437e478ed59842794c0e47b5ce74f27d05d4879b9447e5e2ea5 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys collection stealer

Detect rhadamanthys stealer shellcode

Rhadamanthys

Accesses Microsoft Outlook profiles

outlook_win_path

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-19 12:10

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-19 12:10

Reported

2023-04-19 12:13

Platform

win10v2004-20230220-en

Max time kernel

114s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c65dd2ce36142437e478ed59842794c0e47b5ce74f27d05d4879b9447e5e2ea5.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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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-1-5-21-1529757233-3489015626-3409890339-1000\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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c65dd2ce36142437e478ed59842794c0e47b5ce74f27d05d4879b9447e5e2ea5.exe

"C:\Users\Admin\AppData\Local\Temp\c65dd2ce36142437e478ed59842794c0e47b5ce74f27d05d4879b9447e5e2ea5.exe"

C:\Windows\system32\dllhost.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
PA 179.43.142.201:80 catalog.s.download.windowsupdate.com tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 201.142.43.179.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
PA 179.43.142.201:80 179.43.142.201 tcp
US 40.77.2.164:443 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
NL 8.238.21.126:80 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
NL 8.238.21.126:80 tcp
NL 8.238.21.126:80 tcp
US 93.184.220.29:80 tcp
US 131.253.33.203:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp

Files

memory/4264-134-0x0000000002C70000-0x0000000002C9E000-memory.dmp

memory/4264-135-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/4264-138-0x0000000002CA0000-0x0000000002CBC000-memory.dmp

memory/4264-139-0x0000000002CC0000-0x0000000002CDA000-memory.dmp

memory/4264-140-0x0000000002CA0000-0x0000000002CBC000-memory.dmp

memory/4264-141-0x0000000002CA0000-0x0000000002CBC000-memory.dmp

memory/1976-142-0x000002080F560000-0x000002080F561000-memory.dmp

memory/1976-144-0x000002080F680000-0x000002080F687000-memory.dmp

memory/4264-143-0x0000000002CC0000-0x0000000002CDA000-memory.dmp

memory/1976-145-0x00007FF45B060000-0x00007FF45B15A000-memory.dmp

memory/1976-146-0x00007FF45B060000-0x00007FF45B15A000-memory.dmp

memory/4264-147-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/4264-148-0x0000000002CA0000-0x0000000002CBC000-memory.dmp

memory/1976-149-0x00007FF45B060000-0x00007FF45B15A000-memory.dmp

memory/1976-150-0x00007FF45B060000-0x00007FF45B15A000-memory.dmp

memory/1976-151-0x00007FF45B060000-0x00007FF45B15A000-memory.dmp

memory/1976-152-0x00007FF45B060000-0x00007FF45B15A000-memory.dmp

memory/1976-153-0x00007FF45B060000-0x00007FF45B15A000-memory.dmp