Malware Analysis Report

2024-11-13 18:55

Sample ID 241107-l3fhjszfre
Target e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566
SHA256 e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566
Tags
smokeloader pub3 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

e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566

Threat Level: Known bad

The file e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor discovery trojan

SmokeLoader

Smokeloader family

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 10:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 10:03

Reported

2024-11-07 10:05

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe

"C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 136

Network

N/A

Files

memory/2232-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2232-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

memory/2232-3-0x0000000000400000-0x00000000004D0000-memory.dmp

memory/2232-4-0x0000000000400000-0x00000000004D0000-memory.dmp

memory/2232-5-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 10:03

Reported

2024-11-07 10:05

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.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\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.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\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe

"C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1688 -ip 1688

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 352

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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1688-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/1688-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

memory/1688-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1688-5-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/1688-4-0x0000000000400000-0x00000000004D0000-memory.dmp

memory/1688-6-0x0000000000400000-0x0000000000409000-memory.dmp