Malware Analysis Report

2025-08-10 12:29

Sample ID 230415-v8236sge4v
Target aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917
SHA256 aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917
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

aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917

Threat Level: Known bad

The file aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917 was found to be: Known bad.

Malicious Activity Summary

rhadamanthys smokeloader pub4 backdoor collection stealer trojan

Detect rhadamanthys stealer shellcode

SmokeLoader

Rhadamanthys

Downloads MZ/PE file

Executes dropped EXE

Accesses Microsoft Outlook profiles

Program crash

outlook_win_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Uses Task Scheduler COM API

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 17:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 17:40

Reported

2023-04-15 17:43

Platform

win10v2004-20230220-en

Max time kernel

151s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.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\22DA.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\12.0\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\22DA.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.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\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.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\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.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 3192 wrote to memory of 4164 N/A N/A C:\Users\Admin\AppData\Local\Temp\22DA.exe
PID 3192 wrote to memory of 4164 N/A N/A C:\Users\Admin\AppData\Local\Temp\22DA.exe
PID 3192 wrote to memory of 4164 N/A N/A C:\Users\Admin\AppData\Local\Temp\22DA.exe
PID 4164 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\22DA.exe C:\Windows\system32\dllhost.exe
PID 4164 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\22DA.exe C:\Windows\system32\dllhost.exe
PID 4164 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\22DA.exe C:\Windows\system32\dllhost.exe
PID 4164 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\22DA.exe C:\Windows\system32\dllhost.exe

Uses Task Scheduler COM API

persistence

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.exe

"C:\Users\Admin\AppData\Local\Temp\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.exe"

C:\Users\Admin\AppData\Local\Temp\22DA.exe

C:\Users\Admin\AppData\Local\Temp\22DA.exe

C:\Windows\system32\dllhost.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4164 -ip 4164

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 712

Network

Country Destination Domain Proto
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 aapu.at udp
KR 211.119.84.112:80 aapu.at tcp
US 8.8.8.8:53 112.84.119.211.in-addr.arpa udp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
US 20.189.173.11:443 tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
IT 179.43.155.247:80 179.43.155.247 tcp
US 8.8.8.8:53 247.155.43.179.in-addr.arpa udp
KR 211.119.84.112:80 aapu.at tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 44.8.109.52.in-addr.arpa udp
KR 211.119.84.112:80 aapu.at tcp
US 93.184.221.240:80 tcp
KR 211.119.84.112:80 aapu.at tcp
US 93.184.221.240:80 tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 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
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp
KR 211.119.84.112:80 aapu.at tcp

Files

memory/4240-134-0x00000000009B0000-0x00000000009B9000-memory.dmp

memory/3192-135-0x0000000000440000-0x0000000000456000-memory.dmp

memory/4240-136-0x0000000000400000-0x00000000007FD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\22DA.exe

MD5 b2bd45f7dfd30e5ad4f03e9abf9776e6
SHA1 af719465630b66bd6d748ec318a6c933f6f2f729
SHA256 7a4746c78d13d3bca5ff9f5f06a4d5c939744b85d23886efc80ddf2bb11943da
SHA512 bc33bb48fcd772d7bc2e8912e8561291e0f9b19419c42f265dd2dec205bc3fdaa910c553543124caa770c2a7b04f050bd4ebd775f067d0963da91dad30512f50

C:\Users\Admin\AppData\Local\Temp\22DA.exe

MD5 b2bd45f7dfd30e5ad4f03e9abf9776e6
SHA1 af719465630b66bd6d748ec318a6c933f6f2f729
SHA256 7a4746c78d13d3bca5ff9f5f06a4d5c939744b85d23886efc80ddf2bb11943da
SHA512 bc33bb48fcd772d7bc2e8912e8561291e0f9b19419c42f265dd2dec205bc3fdaa910c553543124caa770c2a7b04f050bd4ebd775f067d0963da91dad30512f50

memory/4164-147-0x0000000000880000-0x00000000008AE000-memory.dmp

memory/4164-148-0x0000000000400000-0x000000000080F000-memory.dmp

memory/4164-151-0x0000000002440000-0x000000000245C000-memory.dmp

memory/4164-152-0x0000000002440000-0x000000000245C000-memory.dmp

memory/4164-153-0x00000000008B0000-0x00000000008B2000-memory.dmp

memory/4164-154-0x0000000002440000-0x000000000245C000-memory.dmp

memory/2676-155-0x000001B9B1D60000-0x000001B9B1D61000-memory.dmp

memory/4164-156-0x00000000008B0000-0x00000000008B3000-memory.dmp

memory/2676-158-0x00007FF463670000-0x00007FF46376A000-memory.dmp

memory/2676-157-0x000001B9B1E80000-0x000001B9B1E87000-memory.dmp

memory/2676-159-0x00007FF463670000-0x00007FF46376A000-memory.dmp

memory/2676-160-0x00007FF463670000-0x00007FF46376A000-memory.dmp

memory/4164-161-0x0000000000400000-0x000000000080F000-memory.dmp

memory/4164-162-0x0000000002440000-0x000000000245C000-memory.dmp

memory/2676-163-0x00007FF463670000-0x00007FF46376A000-memory.dmp

memory/2676-164-0x00007FF463670000-0x00007FF46376A000-memory.dmp

memory/2676-165-0x00007FF463670000-0x00007FF46376A000-memory.dmp