Malware Analysis Report

2025-08-10 17:40

Sample ID 230916-l1bftace49
Target 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc
SHA256 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc
Tags
smokeloader pub1 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc

Threat Level: Known bad

The file 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Suspicious use of SetThreadContext

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-16 09:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-16 09:59

Reported

2023-09-16 10:02

Platform

win10v2004-20230915-en

Max time kernel

151s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.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\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.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
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Suspicious use of UnmapMainImage

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3836 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
PID 3836 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
PID 3836 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
PID 3836 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
PID 3836 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
PID 3836 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe

"C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"

C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe

"C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 254.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 host-file-host6.com udp
US 8.8.8.8:53 host-host-file8.com udp
NL 194.169.175.127:80 host-host-file8.com tcp
US 8.8.8.8:53 127.175.169.194.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

memory/3836-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

memory/3836-2-0x00000000008C0000-0x00000000008C9000-memory.dmp

memory/2064-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2064-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2064-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/536-5-0x0000000002CA0000-0x0000000002CB6000-memory.dmp

memory/536-13-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-14-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-15-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-16-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-17-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-18-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-19-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-21-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-20-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-23-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-24-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-25-0x0000000008920000-0x0000000008930000-memory.dmp

memory/536-26-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-27-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-28-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-30-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-32-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-36-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-34-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-37-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-38-0x0000000008920000-0x0000000008930000-memory.dmp

memory/536-39-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-40-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-43-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-42-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-41-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-44-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-45-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-46-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-47-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-48-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-49-0x0000000001320000-0x0000000001330000-memory.dmp

memory/536-50-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-51-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-52-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-54-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-53-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-58-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-56-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-59-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-60-0x0000000001320000-0x0000000001330000-memory.dmp

memory/536-61-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-62-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-64-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-63-0x0000000001320000-0x0000000001330000-memory.dmp

memory/536-66-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-68-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-70-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-73-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-72-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-74-0x0000000001320000-0x0000000001330000-memory.dmp

memory/536-75-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-78-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-77-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-76-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-79-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-80-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-81-0x0000000002CF0000-0x0000000002D00000-memory.dmp

memory/536-82-0x0000000002CF0000-0x0000000002D00000-memory.dmp