Malware Analysis Report

2025-04-03 14:31

Sample ID 241110-m849javhnr
Target 4170e8854503826b7dfa01b56418743c047b2d8cbe5cd57e6948fca4a4ce8d9f
SHA256 4170e8854503826b7dfa01b56418743c047b2d8cbe5cd57e6948fca4a4ce8d9f
Tags
smokeloader 2023 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

4170e8854503826b7dfa01b56418743c047b2d8cbe5cd57e6948fca4a4ce8d9f

Threat Level: Known bad

The file 4170e8854503826b7dfa01b56418743c047b2d8cbe5cd57e6948fca4a4ce8d9f was found to be: Known bad.

Malicious Activity Summary

smokeloader 2023 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 11:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 11:09

Reported

2024-11-10 11:11

Platform

win7-20240903-en

Max time kernel

119s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.exe

"C:\Users\Admin\AppData\Local\Temp\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 136

Network

N/A

Files

memory/2100-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

memory/2100-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2100-3-0x0000000000400000-0x0000000002C4E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 11:09

Reported

2024-11-10 11:11

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.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\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.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\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.exe

"C:\Users\Admin\AppData\Local\Temp\f54794f6cdae8d988a740259dd572acd21d07f98685458216068c4eb3b9b56d0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2816 -ip 2816

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 296

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2816-2-0x0000000002DF0000-0x0000000002DF9000-memory.dmp

memory/2816-1-0x0000000002EC0000-0x0000000002FC0000-memory.dmp

memory/2816-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2816-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2816-5-0x0000000002DF0000-0x0000000002DF9000-memory.dmp

memory/2816-4-0x0000000000400000-0x0000000002C4E000-memory.dmp