Malware Analysis Report

2025-08-06 00:41

Sample ID 230419-bms4lahb8x
Target setup.exe
SHA256 dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c
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

dc40df8ce62ea7db5eb023b523dfc987645557e69d4b359ef80df36f200d599c

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

outlook_office_path

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-19 01:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-19 01:16

Reported

2023-04-19 01:18

Platform

win7-20230220-en

Max time kernel

37s

Max time network

34s

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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-3430344531-3702557399-3004411149-1000\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-1-5-21-3430344531-3702557399-3004411149-1000\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/1108-55-0x0000000000300000-0x000000000032E000-memory.dmp

memory/1108-56-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1108-59-0x0000000000240000-0x000000000025C000-memory.dmp

memory/1108-60-0x0000000000240000-0x000000000025C000-memory.dmp

memory/1108-61-0x0000000000270000-0x0000000000271000-memory.dmp

memory/1108-62-0x0000000000240000-0x000000000025C000-memory.dmp

memory/332-63-0x0000000000050000-0x0000000000051000-memory.dmp

memory/332-64-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/332-65-0x0000000000180000-0x0000000000187000-memory.dmp

memory/332-66-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/332-67-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/332-68-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/332-69-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1108-70-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1108-72-0x0000000000240000-0x000000000025C000-memory.dmp

memory/332-73-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-19 01:16

Reported

2023-04-19 01:18

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\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
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

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 4196 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 4196 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 4196 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 4196 wrote to memory of 4136 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 4196 -ip 4196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 828

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 104.208.16.90:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 93.184.221.240:80 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 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/4196-134-0x0000000000810000-0x000000000083E000-memory.dmp

memory/4196-135-0x0000000000400000-0x000000000080F000-memory.dmp

memory/4196-136-0x0000000000810000-0x000000000083E000-memory.dmp

memory/4196-139-0x0000000000940000-0x000000000095C000-memory.dmp

memory/4196-140-0x0000000000940000-0x000000000095C000-memory.dmp

memory/4196-141-0x00000000001F0000-0x00000000001F2000-memory.dmp

memory/4196-142-0x0000000000940000-0x000000000095C000-memory.dmp

memory/4136-143-0x000001B294370000-0x000001B294371000-memory.dmp

memory/4196-144-0x00000000001F0000-0x00000000001F3000-memory.dmp

memory/4136-145-0x000001B294490000-0x000001B294497000-memory.dmp

memory/4136-146-0x00007FF40C1E0000-0x00007FF40C2DA000-memory.dmp

memory/4136-147-0x00007FF40C1E0000-0x00007FF40C2DA000-memory.dmp

memory/4136-148-0x00007FF40C1E0000-0x00007FF40C2DA000-memory.dmp

memory/4196-149-0x0000000000400000-0x000000000080F000-memory.dmp

memory/4196-150-0x0000000000940000-0x000000000095C000-memory.dmp

memory/4136-151-0x00007FF40C1E0000-0x00007FF40C2DA000-memory.dmp

memory/4136-152-0x00007FF40C1E0000-0x00007FF40C2DA000-memory.dmp

memory/4136-153-0x00007FF40C1E0000-0x00007FF40C2DA000-memory.dmp