Malware Analysis Report

2025-05-28 18:57

Sample ID 241110-s7qbwasrcj
Target 3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420
SHA256 3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420
Tags
smokeloader backdoor discovery 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420

Threat Level: Known bad

The file 3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor discovery trojan

Smokeloader family

SmokeLoader

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 15:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 15:46

Reported

2024-11-10 15:48

Platform

win7-20241010-en

Max time kernel

122s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe

"C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 140

Network

N/A

Files

memory/2880-1-0x0000000000530000-0x0000000000630000-memory.dmp

memory/2880-3-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2880-2-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 15:46

Reported

2024-11-10 15:48

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Smokeloader family

smokeloader

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe 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\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe

"C:\Users\Admin\AppData\Local\Temp\3be9da09c5daee48ef47fb8b6aa5fcecb63013364b81d771af3100edf476a420.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4120 -ip 4120

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 28.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4120-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

memory/4120-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4120-3-0x0000000000400000-0x0000000000497000-memory.dmp

memory/4120-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4120-5-0x0000000000400000-0x0000000000497000-memory.dmp