Malware Analysis Report

2025-08-10 17:40

Sample ID 230915-3gsz7aff7w
Target 8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3
SHA256 8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3
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

8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3

Threat Level: Known bad

The file 8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Suspicious use of SetThreadContext

Unsigned PE

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-15 23:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-15 23:29

Reported

2023-09-15 23:32

Platform

win10v2004-20230915-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.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\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.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\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3756 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe
PID 3756 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe
PID 3756 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe
PID 3756 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe
PID 3756 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe
PID 3756 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe

"C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe"

C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe

"C:\Users\Admin\AppData\Local\Temp\8a0a1cced54d61b6424c44731d27374879b196f5fe2d8abf7988bab1e11c6bc3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 25.63.96.20.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 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 8.8.8.8:53 161.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/3756-1-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/3756-2-0x0000000002460000-0x0000000002469000-memory.dmp

memory/4852-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4852-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4852-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3176-5-0x0000000002D90000-0x0000000002DA6000-memory.dmp

memory/3176-13-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-14-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-15-0x0000000004F50000-0x0000000004F60000-memory.dmp

memory/3176-16-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-17-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-18-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-20-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-19-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-22-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-25-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-24-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-26-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-27-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-31-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-29-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-30-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-33-0x0000000004F50000-0x0000000004F60000-memory.dmp

memory/3176-35-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-32-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-28-0x0000000008790000-0x00000000087A0000-memory.dmp

memory/3176-37-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-38-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-39-0x0000000008790000-0x00000000087A0000-memory.dmp

memory/3176-41-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-42-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-40-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-43-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-44-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-47-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-46-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-48-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-49-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-50-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-52-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-51-0x0000000002EA0000-0x0000000002EB0000-memory.dmp

memory/3176-53-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-54-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-55-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-56-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-57-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-58-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-60-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-61-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-62-0x0000000002EB0000-0x0000000002EC0000-memory.dmp

memory/3176-63-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-64-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-65-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-67-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-71-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-69-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-73-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-74-0x0000000002EB0000-0x0000000002EC0000-memory.dmp

memory/3176-75-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-78-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-76-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-79-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-80-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-82-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/3176-83-0x0000000004F40000-0x0000000004F50000-memory.dmp