Malware Analysis Report

2025-08-10 17:40

Sample ID 230916-mznv7acg83
Target c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0
SHA256 c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0
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

c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0

Threat Level: Known bad

The file c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-16 10:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-16 10:54

Reported

2023-09-16 10:56

Platform

win10-20230915-en

Max time kernel

150s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.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\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.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\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3044 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe
PID 3044 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe
PID 3044 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe
PID 3044 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe
PID 3044 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe
PID 3044 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe

"C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe"

C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.exe

"C:\Users\Admin\AppData\Local\Temp\c602996ab1eb8c5e50e7297908f140f054c3497a2d8398bc891083e143c374a0.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 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp

Files

memory/3044-2-0x0000000000840000-0x0000000000940000-memory.dmp

memory/3044-3-0x0000000000790000-0x0000000000799000-memory.dmp

memory/2512-1-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2512-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2512-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3176-5-0x0000000000F80000-0x0000000000F96000-memory.dmp