Malware Analysis Report

2025-08-05 09:58

Sample ID 230420-axyamaec96
Target setup.exe
SHA256 411ae76fa21378768d5038fa423837cf9909e5f91fa15e04e9a1c4a364b5b3a7
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

411ae76fa21378768d5038fa423837cf9909e5f91fa15e04e9a1c4a364b5b3a7

Threat Level: Known bad

The file setup.exe was found to be: Known bad.

Malicious Activity Summary

rhadamanthys collection stealer

Detect rhadamanthys stealer shellcode

Rhadamanthys

Accesses Microsoft Outlook profiles

Program crash

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_win_path

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-20 00:36

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-20 00:36

Reported

2023-04-20 00:38

Platform

win7-20230220-en

Max time kernel

38s

Max time network

35s

Command Line

"C:\Users\Admin\AppData\Local\Temp\setup.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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\10.0\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-1-5-21-1283023626-844874658-3193756055-1000\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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

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

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

C:\Windows\system32\dllhost.exe

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

Network

Country Destination Domain Proto
PA 179.43.142.201:80 catalog.s.download.windowsupdate.com tcp
PA 179.43.142.201:80 179.43.142.201 tcp

Files

memory/1480-55-0x00000000002C0000-0x00000000002EE000-memory.dmp

memory/1480-56-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/1480-59-0x00000000002F0000-0x000000000030C000-memory.dmp

memory/1480-61-0x0000000000310000-0x0000000000311000-memory.dmp

memory/1480-60-0x00000000002F0000-0x000000000030C000-memory.dmp

memory/1480-62-0x00000000002F0000-0x000000000030C000-memory.dmp

memory/1708-63-0x0000000000050000-0x0000000000051000-memory.dmp

memory/1708-64-0x00000000001E0000-0x00000000001E7000-memory.dmp

memory/1708-65-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1708-66-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1708-67-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1708-68-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1480-69-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/1480-71-0x00000000002F0000-0x000000000030C000-memory.dmp

memory/1480-70-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/1708-72-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1708-73-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-20 00:36

Reported

2023-04-20 00:38

Platform

win10v2004-20230221-en

Max time kernel

135s

Max time network

153s

Command Line

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\setup.exe

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4580 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 4580 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 4580 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 4580 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe

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\setup.exe

"C:\Users\Admin\AppData\Local\Temp\setup.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 4580 -ip 4580

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 808

Network

Country Destination Domain Proto
NL 8.238.178.254:80 tcp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 254.5.248.8.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
NL 8.238.178.254:80 tcp
NL 8.238.178.254:80 tcp
NL 173.223.113.164:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 1.77.109.52.in-addr.arpa udp
NL 8.238.178.254:80 tcp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 52.152.110.14:443 tcp
NL 104.85.1.163:80 tcp
US 204.79.197.203:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/4580-134-0x0000000002BB0000-0x0000000002BDE000-memory.dmp

memory/4580-135-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/4580-138-0x0000000002BE0000-0x0000000002BFC000-memory.dmp

memory/4580-139-0x0000000002BE0000-0x0000000002BFC000-memory.dmp

memory/4580-140-0x00000000001F0000-0x00000000001F2000-memory.dmp

memory/4580-141-0x0000000002BE0000-0x0000000002BFC000-memory.dmp

memory/1232-142-0x00000219A7640000-0x00000219A7641000-memory.dmp

memory/1232-143-0x00007FF4EC270000-0x00007FF4EC36A000-memory.dmp

memory/4580-144-0x0000000002D50000-0x0000000002D52000-memory.dmp

memory/1232-145-0x00000219A7760000-0x00000219A7767000-memory.dmp

memory/1232-146-0x00007FF4EC270000-0x00007FF4EC36A000-memory.dmp

memory/1232-148-0x00007FF4EC270000-0x00007FF4EC36A000-memory.dmp

memory/4580-147-0x0000000000400000-0x0000000002BA4000-memory.dmp

memory/4580-149-0x0000000002BE0000-0x0000000002BFC000-memory.dmp

memory/1232-150-0x00007FF4EC270000-0x00007FF4EC36A000-memory.dmp

memory/1232-151-0x00007FF4EC270000-0x00007FF4EC36A000-memory.dmp

memory/1232-152-0x00007FF4EC270000-0x00007FF4EC36A000-memory.dmp

memory/1232-153-0x00007FF4EC270000-0x00007FF4EC36A000-memory.dmp