Malware Analysis Report

2025-08-10 12:29

Sample ID 230415-xrmy2agg6y
Target 888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06
SHA256 888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06
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

888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06

Threat Level: Known bad

The file 888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06 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

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

Checks SCSI registry key(s)

Uses Task Scheduler COM API

outlook_office_path

outlook_win_path

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-15 19:05

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-15 19:05

Reported

2023-04-15 19:07

Platform

win10v2004-20230221-en

Max time kernel

150s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.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
N/A N/A N/A N/A

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\ED72.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\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\ED72.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.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\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

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\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.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 3156 wrote to memory of 4088 N/A N/A C:\Users\Admin\AppData\Local\Temp\ED72.exe
PID 3156 wrote to memory of 4088 N/A N/A C:\Users\Admin\AppData\Local\Temp\ED72.exe
PID 3156 wrote to memory of 4088 N/A N/A C:\Users\Admin\AppData\Local\Temp\ED72.exe
PID 4088 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\ED72.exe C:\Windows\system32\dllhost.exe
PID 4088 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\ED72.exe C:\Windows\system32\dllhost.exe
PID 4088 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\ED72.exe C:\Windows\system32\dllhost.exe
PID 4088 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\ED72.exe C:\Windows\system32\dllhost.exe

Uses Task Scheduler COM API

persistence

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\system32\dllhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe

"C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe"

C:\Users\Admin\AppData\Local\Temp\ED72.exe

C:\Users\Admin\AppData\Local\Temp\ED72.exe

C:\Windows\system32\dllhost.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4088 -ip 4088

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 700

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 36.146.190.20.in-addr.arpa udp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 8.8.8.8:53 aapu.at udp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
US 8.8.8.8:53 162.3.158.195.in-addr.arpa udp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
IT 179.43.155.247:80 179.43.155.247 tcp
UZ 195.158.3.162:80 aapu.at tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 247.155.43.179.in-addr.arpa udp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
US 104.208.16.90:443 tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
UZ 195.158.3.162:80 aapu.at tcp
US 209.197.3.8:80 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 86.8.109.52.in-addr.arpa udp
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
US 8.248.1.254:80 tcp

Files

memory/1916-134-0x0000000000880000-0x0000000000889000-memory.dmp

memory/3156-135-0x00000000003A0000-0x00000000003B6000-memory.dmp

memory/1916-136-0x0000000000400000-0x00000000007FD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ED72.exe

MD5 7f4ef4c6b2189d39edf1b8913487e7e8
SHA1 c0c0b4a1374d3725b52f1a1eb5a124dd7376203d
SHA256 33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a
SHA512 85009beb355246c534e2523516c0e90ef6cc9f6994901e9cb8ed9ec785bceec565e16e52033ca4e7a9e230b72f48347f51c7eaaf3d5bd9b094b6370e6c944ed3

C:\Users\Admin\AppData\Local\Temp\ED72.exe

MD5 7f4ef4c6b2189d39edf1b8913487e7e8
SHA1 c0c0b4a1374d3725b52f1a1eb5a124dd7376203d
SHA256 33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a
SHA512 85009beb355246c534e2523516c0e90ef6cc9f6994901e9cb8ed9ec785bceec565e16e52033ca4e7a9e230b72f48347f51c7eaaf3d5bd9b094b6370e6c944ed3

memory/4088-147-0x00000000008B0000-0x00000000008DE000-memory.dmp

memory/4088-148-0x0000000000400000-0x000000000080F000-memory.dmp

memory/4088-151-0x0000000000880000-0x000000000089C000-memory.dmp

memory/4088-152-0x0000000000880000-0x000000000089C000-memory.dmp

memory/4088-153-0x00000000008E0000-0x00000000008FA000-memory.dmp

memory/4088-154-0x0000000000880000-0x000000000089C000-memory.dmp

memory/2616-155-0x000001F780CE0000-0x000001F780CE1000-memory.dmp

memory/4088-156-0x00000000008E0000-0x00000000008FA000-memory.dmp

memory/2616-157-0x000001F780E00000-0x000001F780E07000-memory.dmp

memory/2616-158-0x00007FF422080000-0x00007FF42217A000-memory.dmp

memory/2616-159-0x00007FF422080000-0x00007FF42217A000-memory.dmp

memory/4088-160-0x0000000000400000-0x000000000080F000-memory.dmp

memory/4088-161-0x0000000000880000-0x000000000089C000-memory.dmp

memory/2616-162-0x00007FF422080000-0x00007FF42217A000-memory.dmp

memory/2616-163-0x00007FF422080000-0x00007FF42217A000-memory.dmp

memory/2616-164-0x00007FF422080000-0x00007FF42217A000-memory.dmp

memory/2616-165-0x00007FF422080000-0x00007FF42217A000-memory.dmp