Malware Analysis Report

2025-08-10 12:29

Sample ID 230415-m9v29adh57
Target 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda
SHA256 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda
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

4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda

Threat Level: Known bad

The file 4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda was found to be: Known bad.

Malicious Activity Summary

rhadamanthys smokeloader pub4 backdoor collection stealer trojan

SmokeLoader

Detect rhadamanthys stealer shellcode

Rhadamanthys

Downloads MZ/PE file

Executes dropped EXE

Accesses Microsoft Outlook profiles

Program crash

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

outlook_win_path

Uses Task Scheduler COM API

Suspicious behavior: MapViewOfSection

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 11:10

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 11:10

Reported

2023-04-15 11:12

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.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\E13D.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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\E13D.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.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\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.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\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.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 2600 wrote to memory of 1624 N/A N/A C:\Users\Admin\AppData\Local\Temp\E13D.exe
PID 2600 wrote to memory of 1624 N/A N/A C:\Users\Admin\AppData\Local\Temp\E13D.exe
PID 2600 wrote to memory of 1624 N/A N/A C:\Users\Admin\AppData\Local\Temp\E13D.exe
PID 1624 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\E13D.exe C:\Windows\system32\dllhost.exe
PID 1624 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\E13D.exe C:\Windows\system32\dllhost.exe
PID 1624 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\E13D.exe C:\Windows\system32\dllhost.exe
PID 1624 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\E13D.exe C:\Windows\system32\dllhost.exe

Uses Task Scheduler COM API

persistence

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe

"C:\Users\Admin\AppData\Local\Temp\4a597691ba57ab7af0f8f83514707efe9e1cdc1f7c9d50e99b8e3a83cd9bafda.exe"

C:\Users\Admin\AppData\Local\Temp\E13D.exe

C:\Users\Admin\AppData\Local\Temp\E13D.exe

C:\Windows\system32\dllhost.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1624 -ip 1624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 708

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 aapu.at udp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
US 8.8.8.8:53 200.162.158.95.in-addr.arpa udp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
IT 179.43.155.247:80 179.43.155.247 tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
US 8.8.8.8:53 247.155.43.179.in-addr.arpa udp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
US 52.152.108.96:443 tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
BG 95.158.162.200:80 aapu.at tcp
FR 40.79.141.154:443 tcp
US 13.107.4.50:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
PA 179.43.142.201:80 catalog.s.download.windowsupdate.com tcp
US 8.8.8.8:53 44.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 201.142.43.179.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
PA 179.43.142.201:80 179.43.142.201 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 209.197.3.8:80 tcp

Files

memory/4300-134-0x0000000000980000-0x0000000000989000-memory.dmp

memory/2600-135-0x00000000025D0000-0x00000000025E6000-memory.dmp

memory/4300-136-0x0000000000400000-0x00000000007FD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\E13D.exe

MD5 9950feec180e9981d35fe2dd2241efdc
SHA1 939ca7f9084b5a28790f56cec45ce5c2006f8ee0
SHA256 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54
SHA512 0181a6e3157e47e9a1f75853de96d1deafffe38c80231909e2870758ee4f071c784adcf0031a17a9c4f0f0fc2df32b2cb1159cd0056334c4d281466324dcf36f

C:\Users\Admin\AppData\Local\Temp\E13D.exe

MD5 9950feec180e9981d35fe2dd2241efdc
SHA1 939ca7f9084b5a28790f56cec45ce5c2006f8ee0
SHA256 d221d3fb8d39771f163a440c7f7bf72b3a9db66ae012e0c3d0143a126256de54
SHA512 0181a6e3157e47e9a1f75853de96d1deafffe38c80231909e2870758ee4f071c784adcf0031a17a9c4f0f0fc2df32b2cb1159cd0056334c4d281466324dcf36f

memory/1624-147-0x0000000000950000-0x000000000097E000-memory.dmp

memory/1624-148-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1624-151-0x0000000000980000-0x000000000099C000-memory.dmp

memory/1624-152-0x0000000000980000-0x000000000099C000-memory.dmp

memory/1624-153-0x00000000009B0000-0x00000000009CA000-memory.dmp

memory/1624-154-0x0000000000980000-0x000000000099C000-memory.dmp

memory/1332-155-0x0000020945440000-0x0000020945441000-memory.dmp

memory/1624-156-0x00000000009B0000-0x00000000009CA000-memory.dmp

memory/1332-157-0x0000020945750000-0x0000020945757000-memory.dmp

memory/1332-158-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp

memory/1332-159-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp

memory/1624-160-0x0000000000400000-0x000000000080F000-memory.dmp

memory/1624-161-0x0000000000980000-0x000000000099C000-memory.dmp

memory/1332-162-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp

memory/1332-163-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp

memory/1332-164-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp

memory/1332-165-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp

memory/1332-166-0x00007FF4E38F0000-0x00007FF4E39EA000-memory.dmp