Malware Analysis Report

2025-08-06 00:40

Sample ID 230419-l3wjrshg79
Target a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20
SHA256 a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20
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

a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20

Threat Level: Known bad

The file a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys collection stealer

Detect rhadamanthys stealer shellcode

Rhadamanthys

Accesses Microsoft Outlook profiles

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-19 10:03

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-19 10:03

Reported

2023-04-19 10:06

Platform

win10v2004-20230221-en

Max time kernel

64s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20.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\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
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

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\a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20.exe

"C:\Users\Admin\AppData\Local\Temp\a865ff24fa16c3e701d9b08ca7309793cb1980eefde88a31e94454c74da90d20.exe"

C:\Windows\system32\dllhost.exe

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

Network

Country Destination Domain Proto
US 117.18.237.29:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.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 40.77.2.164:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 52.168.112.66:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 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 0.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp

Files

memory/2444-134-0x0000000002E40000-0x0000000002E6E000-memory.dmp

memory/2444-135-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/2444-138-0x0000000002E70000-0x0000000002E8C000-memory.dmp

memory/2444-139-0x0000000002E70000-0x0000000002E8C000-memory.dmp

memory/2444-140-0x0000000002E90000-0x0000000002E92000-memory.dmp

memory/2444-141-0x0000000002E70000-0x0000000002E8C000-memory.dmp

memory/4612-142-0x0000023D4E9E0000-0x0000023D4E9E1000-memory.dmp

memory/2444-143-0x0000000002E90000-0x0000000002E93000-memory.dmp

memory/4612-144-0x0000023D4ECF0000-0x0000023D4ECF7000-memory.dmp

memory/4612-145-0x00007FF452300000-0x00007FF4523FA000-memory.dmp

memory/4612-146-0x00007FF452300000-0x00007FF4523FA000-memory.dmp

memory/2444-147-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/2444-148-0x0000000002E70000-0x0000000002E8C000-memory.dmp

memory/4612-149-0x00007FF452300000-0x00007FF4523FA000-memory.dmp

memory/4612-150-0x00007FF452300000-0x00007FF4523FA000-memory.dmp

memory/4612-151-0x00007FF452300000-0x00007FF4523FA000-memory.dmp

memory/4612-152-0x00007FF452300000-0x00007FF4523FA000-memory.dmp

memory/4612-153-0x00007FF452300000-0x00007FF4523FA000-memory.dmp