Malware Analysis Report

2025-08-06 03:42

Sample ID 230922-byncgsdf55
Target e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154
SHA256 e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154
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

e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154

Threat Level: Known bad

The file e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-22 01:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-22 01:33

Reported

2023-09-22 01:35

Platform

win10-20230915-en

Max time kernel

150s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

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

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.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\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4372 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe
PID 4372 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe
PID 4372 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe
PID 4372 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe
PID 4372 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe
PID 4372 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe

"C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe"

C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe

"C:\Users\Admin\AppData\Local\Temp\e0aa93c3f01841d67f1d1f4caa49705313e441aa6c74ad027c890a2174681154.exe"

Network

Country Destination Domain Proto
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 23.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp

Files

memory/4372-1-0x0000000000780000-0x0000000000880000-memory.dmp

memory/4372-2-0x0000000000880000-0x0000000000889000-memory.dmp

memory/3604-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3604-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3604-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1792-5-0x00000000009D0000-0x00000000009E6000-memory.dmp