Malware Analysis Report

2025-08-06 00:40

Sample ID 230419-blm6ysfd62
Target setup.exe
SHA256 3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae
Tags
rhadamanthys collection stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3da7899a97dcce17b1625b2193f870f8f568b39fe520adbde6f61f7e63f5c0ae

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

outlook_office_path

outlook_win_path

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-19 01:14

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-19 01:14

Reported

2023-04-19 01:16

Platform

win10v2004-20230220-en

Max time kernel

68s

Max time network

146s

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-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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 3260 wrote to memory of 4952 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 3260 wrote to memory of 4952 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 3260 wrote to memory of 4952 N/A C:\Users\Admin\AppData\Local\Temp\setup.exe C:\Windows\system32\dllhost.exe
PID 3260 wrote to memory of 4952 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-1-5-21-4238149048-355649189-894321705-1000\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-1-5-21-4238149048-355649189-894321705-1000\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 452 -p 3260 -ip 3260

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 740

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 126.128.241.8.in-addr.arpa udp
PA 179.43.142.201:80 catalog.s.download.windowsupdate.com tcp
PA 179.43.142.201:80 179.43.142.201 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 20.189.173.6:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp

Files

memory/3260-134-0x0000000000810000-0x000000000083E000-memory.dmp

memory/3260-135-0x0000000000400000-0x000000000080F000-memory.dmp

memory/3260-138-0x0000000000860000-0x000000000087C000-memory.dmp

memory/3260-139-0x0000000000860000-0x000000000087C000-memory.dmp

memory/3260-140-0x00000000001F0000-0x00000000001F2000-memory.dmp

memory/3260-141-0x0000000000860000-0x000000000087C000-memory.dmp

memory/4952-142-0x000001710D590000-0x000001710D591000-memory.dmp

memory/4952-144-0x000001710D6B0000-0x000001710D6B7000-memory.dmp

memory/3260-143-0x00000000001F0000-0x00000000001F3000-memory.dmp

memory/4952-145-0x00007FF458730000-0x00007FF45882A000-memory.dmp

memory/4952-146-0x00007FF458730000-0x00007FF45882A000-memory.dmp

memory/3260-147-0x0000000000400000-0x000000000080F000-memory.dmp

memory/3260-148-0x0000000000860000-0x000000000087C000-memory.dmp

memory/4952-149-0x00007FF458730000-0x00007FF45882A000-memory.dmp

memory/4952-150-0x00007FF458730000-0x00007FF45882A000-memory.dmp

memory/4952-151-0x00007FF458730000-0x00007FF45882A000-memory.dmp

memory/4952-152-0x00007FF458730000-0x00007FF45882A000-memory.dmp

memory/4952-153-0x00007FF458730000-0x00007FF45882A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-19 01:14

Reported

2023-04-19 01:16

Platform

win7-20230220-en

Max time kernel

42s

Max time network

39s

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-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\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-1-5-21-1914912747-3343861975-731272777-1000\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-1-5-21-1914912747-3343861975-731272777-1000\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/1484-55-0x0000000000270000-0x000000000029E000-memory.dmp

memory/1484-56-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1484-59-0x00000000001D0000-0x00000000001EC000-memory.dmp

memory/1484-60-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/1484-61-0x00000000001D0000-0x00000000001EC000-memory.dmp

memory/1484-62-0x00000000001D0000-0x00000000001EC000-memory.dmp

memory/1260-63-0x0000000000150000-0x0000000000151000-memory.dmp

memory/1260-64-0x00000000001E0000-0x00000000001E7000-memory.dmp

memory/1260-65-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1484-66-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1260-67-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1484-68-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1484-69-0x00000000001D0000-0x00000000001EC000-memory.dmp

memory/1260-70-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1260-71-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1260-72-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

memory/1260-73-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp