Malware Analysis Report

2025-08-10 17:40

Sample ID 230915-zm5dmaaa48
Target 98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7
SHA256 98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7
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

98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7

Threat Level: Known bad

The file 98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Uses Task Scheduler COM API

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-15 20:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-15 20:51

Reported

2023-09-15 20:53

Platform

win10-20230915-en

Max time kernel

150s

Max time network

73s

Command Line

"C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.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\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.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 668 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe
PID 668 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe
PID 668 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe
PID 668 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe
PID 668 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe
PID 668 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe

"C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe"

C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe

"C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.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 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 127.175.169.194.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/668-1-0x0000000000720000-0x0000000000820000-memory.dmp

memory/668-2-0x0000000000880000-0x0000000000889000-memory.dmp

memory/3056-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3056-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3056-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2676-5-0x0000000000EC0000-0x0000000000ED6000-memory.dmp

memory/2676-16-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

memory/2676-17-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

memory/2676-19-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-20-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-21-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-22-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-25-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-24-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-26-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-27-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-28-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-30-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-31-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-33-0x0000000002CC0000-0x0000000002CD0000-memory.dmp

memory/2676-35-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-37-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-38-0x0000000002740000-0x0000000002750000-memory.dmp

memory/2676-40-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-42-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-44-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-46-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-49-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-48-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-51-0x0000000002740000-0x0000000002750000-memory.dmp

memory/2676-53-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-55-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-54-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-56-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-57-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-59-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-60-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-58-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-61-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

memory/2676-62-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

memory/2676-63-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-65-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-66-0x0000000002740000-0x0000000002750000-memory.dmp

memory/2676-68-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-69-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-70-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-71-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-72-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-74-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-73-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-78-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-76-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-79-0x0000000002740000-0x0000000002750000-memory.dmp

memory/2676-81-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-82-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-84-0x0000000002740000-0x0000000002750000-memory.dmp

memory/2676-88-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-90-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-87-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-86-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-92-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-93-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-94-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-96-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-97-0x0000000002740000-0x0000000002750000-memory.dmp

memory/2676-99-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-101-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-100-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-105-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-106-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-104-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-103-0x0000000002C90000-0x0000000002CA0000-memory.dmp

memory/2676-102-0x0000000002C90000-0x0000000002CA0000-memory.dmp