Malware Analysis Report

2025-01-02 10:52

Sample ID 241010-e78xbstakm
Target fcc9e64cb93bbbf9d8ec4fb6a570c583.exe
SHA256 18e605252f1490e7c063c2b1f888f1ad73ca681d444dc6918a440234288fcc16
Tags
smokeloader pub1 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

18e605252f1490e7c063c2b1f888f1ad73ca681d444dc6918a440234288fcc16

Threat Level: Known bad

The file fcc9e64cb93bbbf9d8ec4fb6a570c583.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor discovery trojan

SmokeLoader

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-10 04:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-10 04:36

Reported

2024-10-10 04:38

Platform

win7-20240903-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe"

Signatures

SmokeLoader

trojan backdoor 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\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe

"C:\Users\Admin\AppData\Local\Temp\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 168

Network

N/A

Files

memory/2656-1-0x0000000000270000-0x0000000000370000-memory.dmp

memory/2656-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2656-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

memory/2656-4-0x0000000000400000-0x0000000000483000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-10 04:36

Reported

2024-10-10 04:38

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe"

Signatures

SmokeLoader

trojan backdoor 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\fcc9e64cb93bbbf9d8ec4fb6a570c583.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\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe

"C:\Users\Admin\AppData\Local\Temp\fcc9e64cb93bbbf9d8ec4fb6a570c583.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2468 -ip 2468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 464

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/2468-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

memory/2468-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2468-3-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2468-5-0x0000000000400000-0x000000000040B000-memory.dmp