Malware Analysis Report

2024-12-08 01:26

Sample ID 240721-kmz2ksxapb
Target ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa
SHA256 ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa
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

ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa

Threat Level: Known bad

The file ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa 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 08:43

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 08:43

Reported

2024-07-21 08:46

Platform

win7-20240704-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa.exe

"C:\Users\Admin\AppData\Local\Temp\ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 36

Network

N/A

Files

memory/2840-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-21 08:43

Reported

2024-07-21 08:46

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa.exe

"C:\Users\Admin\AppData\Local\Temp\ffedbbac3db53b182586085bb779704aedc6d9628e593d0b04705af6ef5066fa.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2176 -ip 2176

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 55.36.223.20.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2176-0-0x0000000000400000-0x000000000040B000-memory.dmp