Malware Analysis Report

2024-11-13 18:55

Sample ID 241109-qtstqsyjar
Target 3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489
SHA256 3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489
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

3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489

Threat Level: Known bad

The file 3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489 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

2024-11-09 13:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 13:33

Reported

2024-11-09 13:36

Platform

win7-20240903-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.exe

"C:\Users\Admin\AppData\Local\Temp\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 136

Network

N/A

Files

memory/2304-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

memory/2304-3-0x0000000000400000-0x00000000004D1000-memory.dmp

memory/2304-2-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 13:33

Reported

2024-11-09 13:36

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.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\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.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\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.exe

"C:\Users\Admin\AppData\Local\Temp\3fe2ffde94b8dcd33551ae9fcac3eebe04f0311230cfaa64a75d8d869edd4489.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3792 -ip 3792

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3792-2-0x0000000000570000-0x0000000000579000-memory.dmp

memory/3792-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

memory/3792-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3792-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3792-4-0x0000000000400000-0x00000000004D1000-memory.dmp

memory/3792-5-0x0000000000570000-0x0000000000579000-memory.dmp