Malware Analysis Report

2025-08-10 12:29

Sample ID 230416-adfw8sgc32
Target c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0
SHA256 c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0
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

c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0

Threat Level: Known bad

The file c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys smokeloader pub4 backdoor collection stealer trojan

Rhadamanthys

SmokeLoader

Detect rhadamanthys stealer shellcode

Downloads MZ/PE file

Executes dropped EXE

Accesses Microsoft Outlook profiles

Program crash

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Checks SCSI registry key(s)

Suspicious behavior: MapViewOfSection

outlook_win_path

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-16 00:05

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-16 00:05

Reported

2023-04-16 00:08

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8879.exe N/A

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\8879.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.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\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.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\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3152 wrote to memory of 3692 N/A N/A C:\Users\Admin\AppData\Local\Temp\8879.exe
PID 3152 wrote to memory of 3692 N/A N/A C:\Users\Admin\AppData\Local\Temp\8879.exe
PID 3152 wrote to memory of 3692 N/A N/A C:\Users\Admin\AppData\Local\Temp\8879.exe
PID 3692 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\8879.exe C:\Windows\system32\dllhost.exe
PID 3692 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\8879.exe C:\Windows\system32\dllhost.exe
PID 3692 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\8879.exe C:\Windows\system32\dllhost.exe
PID 3692 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\8879.exe C:\Windows\system32\dllhost.exe

Uses Task Scheduler COM API

persistence

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe

"C:\Users\Admin\AppData\Local\Temp\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe"

C:\Users\Admin\AppData\Local\Temp\8879.exe

C:\Users\Admin\AppData\Local\Temp\8879.exe

C:\Windows\system32\dllhost.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3692 -ip 3692

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 732

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 aapu.at udp
MX 187.156.112.17:80 aapu.at tcp
FR 40.79.141.152:443 tcp
MX 187.156.112.17:80 aapu.at tcp
US 8.8.8.8:53 17.112.156.187.in-addr.arpa udp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
IT 179.43.155.247:80 179.43.155.247 tcp
MX 187.156.112.17:80 aapu.at tcp
US 8.8.8.8:53 247.155.43.179.in-addr.arpa udp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
NL 173.223.113.164:443 tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
US 8.8.8.8:53 73.254.224.20.in-addr.arpa udp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
MX 187.156.112.17:80 aapu.at tcp
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

Files

memory/4832-134-0x0000000000A90000-0x0000000000A99000-memory.dmp

memory/3152-135-0x0000000001120000-0x0000000001136000-memory.dmp

memory/4832-136-0x0000000000400000-0x00000000007FC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\8879.exe

MD5 9be26f22ab7153a54d77a4df6dad9090
SHA1 e28b37438f2e13af5ce2122348864a217086129f
SHA256 4b10b47611967e2d3024eb451df1ca05451fa3e15d1970d6ee3fc09a64e0bc99
SHA512 6d5fd51806e8569cc464d4ccf9bef77563b2fa411e75b9d6b4afddb07d35b415cd5605b45fa0e2166a2f838218e25dda65ef4032b207866d59195edbd8a387a0

C:\Users\Admin\AppData\Local\Temp\8879.exe

MD5 9be26f22ab7153a54d77a4df6dad9090
SHA1 e28b37438f2e13af5ce2122348864a217086129f
SHA256 4b10b47611967e2d3024eb451df1ca05451fa3e15d1970d6ee3fc09a64e0bc99
SHA512 6d5fd51806e8569cc464d4ccf9bef77563b2fa411e75b9d6b4afddb07d35b415cd5605b45fa0e2166a2f838218e25dda65ef4032b207866d59195edbd8a387a0

memory/3692-147-0x0000000002400000-0x000000000242E000-memory.dmp

memory/3692-148-0x0000000000400000-0x000000000080E000-memory.dmp

memory/3692-151-0x0000000002450000-0x000000000246C000-memory.dmp

memory/3692-152-0x0000000002450000-0x000000000246C000-memory.dmp

memory/3692-153-0x0000000002430000-0x0000000002432000-memory.dmp

memory/3692-154-0x0000000002450000-0x000000000246C000-memory.dmp

memory/1912-155-0x0000020401390000-0x0000020401391000-memory.dmp

memory/3692-156-0x0000000002430000-0x0000000002433000-memory.dmp

memory/1912-157-0x00000204014B0000-0x00000204014B7000-memory.dmp

memory/1912-158-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

memory/1912-159-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

memory/3692-160-0x0000000000400000-0x000000000080E000-memory.dmp

memory/3692-161-0x0000000002450000-0x000000000246C000-memory.dmp

memory/1912-162-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

memory/1912-163-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

memory/1912-164-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

memory/1912-165-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

memory/1912-166-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp