Malware Analysis Report

2025-08-11 06:18

Sample ID 230415-dk6ysacg97
Target 15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306
SHA256 15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306
Tags
rhadamanthys smokeloader pub4 backdoor collection stealer trojan
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

15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306

Threat Level: Known bad

The file 15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys smokeloader pub4 backdoor collection stealer trojan

Detect rhadamanthys stealer shellcode

Rhadamanthys

SmokeLoader

Downloads MZ/PE file

Executes dropped EXE

Deletes itself

Accesses Microsoft Outlook profiles

outlook_win_path

Suspicious behavior: MapViewOfSection

Suspicious behavior: GetForegroundWindowSpam

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

outlook_office_path

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 03:05

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 03:05

Reported

2023-04-15 03:07

Platform

win10-20230220-en

Max time kernel

150s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.exe"

Signatures

Detect rhadamanthys stealer shellcode

Description Indicator Process Target
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Rhadamanthys

stealer rhadamanthys

SmokeLoader

trojan backdoor smokeloader

Downloads MZ/PE file

Deletes itself

Description Indicator Process Target
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Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\678.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.exe N/A
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Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3152 wrote to memory of 1840 N/A N/A C:\Users\Admin\AppData\Local\Temp\678.exe
PID 3152 wrote to memory of 1840 N/A N/A C:\Users\Admin\AppData\Local\Temp\678.exe
PID 3152 wrote to memory of 1840 N/A N/A C:\Users\Admin\AppData\Local\Temp\678.exe
PID 1840 wrote to memory of 4256 N/A C:\Users\Admin\AppData\Local\Temp\678.exe C:\Windows\system32\dllhost.exe
PID 1840 wrote to memory of 4256 N/A C:\Users\Admin\AppData\Local\Temp\678.exe C:\Windows\system32\dllhost.exe
PID 1840 wrote to memory of 4256 N/A C:\Users\Admin\AppData\Local\Temp\678.exe C:\Windows\system32\dllhost.exe
PID 1840 wrote to memory of 4256 N/A C:\Users\Admin\AppData\Local\Temp\678.exe C:\Windows\system32\dllhost.exe

Uses Task Scheduler COM API

persistence

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000\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-1-5-21-3346939869-2835594282-3775165920-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.exe

"C:\Users\Admin\AppData\Local\Temp\15015df0f2162b04aa3ec51ba5564ded4798868fe4560128efab1a816449b306.exe"

C:\Users\Admin\AppData\Local\Temp\678.exe

C:\Users\Admin\AppData\Local\Temp\678.exe

C:\Windows\system32\dllhost.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 aapu.at udp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
US 8.8.8.8:53 231.10.119.175.in-addr.arpa udp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
IE 20.50.80.210:443 tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
IT 179.43.155.247:80 179.43.155.247 tcp
KR 175.119.10.231:80 aapu.at tcp
US 8.8.8.8:53 247.155.43.179.in-addr.arpa udp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
NL 8.238.179.126:80 tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
KR 175.119.10.231:80 aapu.at tcp
PA 179.43.142.201:80 catalog.s.download.windowsupdate.com tcp
KR 175.119.10.231:80 aapu.at tcp
US 8.8.8.8:53 201.142.43.179.in-addr.arpa udp
KR 175.119.10.231:80 aapu.at tcp
PA 179.43.142.201:80 179.43.142.201 tcp
KR 175.119.10.231:80 aapu.at tcp

Files

memory/3848-118-0x0000000000930000-0x0000000000939000-memory.dmp

memory/3152-119-0x0000000000FB0000-0x0000000000FC6000-memory.dmp

memory/3848-120-0x0000000000400000-0x00000000007FD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\678.exe

MD5 125d1cf1adccdd7c0e0058f02d7dcfc4
SHA1 31ae25eb8cc617c94335773eb0261614554d9e19
SHA256 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2
SHA512 e9e0b496e8ae722c58952dae5dc3f0942b1b87f2792741c05106792ae9249a44b6689560cf1e8cb87bb32ac26a375aa6f249643c0093e4d205ddd733da02d601

C:\Users\Admin\AppData\Local\Temp\678.exe

MD5 125d1cf1adccdd7c0e0058f02d7dcfc4
SHA1 31ae25eb8cc617c94335773eb0261614554d9e19
SHA256 a499e4d7f71cb83c442b02f45dc986a42c6fef18ffc0efb9a54287671e063cc2
SHA512 e9e0b496e8ae722c58952dae5dc3f0942b1b87f2792741c05106792ae9249a44b6689560cf1e8cb87bb32ac26a375aa6f249643c0093e4d205ddd733da02d601

memory/1840-131-0x0000000000860000-0x000000000088E000-memory.dmp

memory/1840-132-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1840-135-0x00000000009D0000-0x00000000009EC000-memory.dmp

memory/1840-136-0x00000000009D0000-0x00000000009EC000-memory.dmp

memory/1840-137-0x0000000000890000-0x0000000000892000-memory.dmp

memory/1840-138-0x00000000009D0000-0x00000000009EC000-memory.dmp

memory/4256-139-0x000001121AF20000-0x000001121AF21000-memory.dmp

memory/1840-140-0x0000000000890000-0x0000000000893000-memory.dmp

memory/4256-141-0x000001121AED0000-0x000001121AED7000-memory.dmp

memory/4256-142-0x00007FF7102F0000-0x00007FF7103EA000-memory.dmp

memory/4256-145-0x00007FF7102F0000-0x00007FF7103EA000-memory.dmp

memory/1840-146-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1840-147-0x00000000009D0000-0x00000000009EC000-memory.dmp

memory/4256-148-0x00007FF7102F0000-0x00007FF7103EA000-memory.dmp

memory/4256-149-0x00007FF7102F0000-0x00007FF7103EA000-memory.dmp

memory/4256-150-0x00007FF7102F0000-0x00007FF7103EA000-memory.dmp

memory/4256-151-0x00007FF7102F0000-0x00007FF7103EA000-memory.dmp