Malware Analysis Report

2024-12-08 01:26

Sample ID 240721-vexatswakh
Target f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b
SHA256 f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b
Tags
smokeloader backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b

Threat Level: Known bad

The file f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan

Smokeloader family

SmokeLoader

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-21 16:54

Signatures

Smokeloader family

smokeloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-21 16:54

Reported

2024-07-21 16:57

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b.exe

"C:\Users\Admin\AppData\Local\Temp\f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 36

Network

N/A

Files

memory/2076-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-21 16:54

Reported

2024-07-21 16:57

Platform

win10v2004-20240709-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b.exe

"C:\Users\Admin\AppData\Local\Temp\f6d9f4a2e5deed7364a8ad567a85ec59e4254fd0598dea3735ef4e7ba0541d1b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2028 -ip 2028

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.111.227.14:443 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp

Files

memory/2028-0-0x0000000000400000-0x000000000040B000-memory.dmp