Malware Analysis Report

2024-12-08 01:26

Sample ID 240721-wg567axfnh
Target 309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b
SHA256 309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b
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

309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b

Threat Level: Known bad

The file 309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan

Smokeloader family

SmokeLoader

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-21 17:54

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 17:54

Reported

2024-07-21 17:57

Platform

win7-20240708-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b.exe

"C:\Users\Admin\AppData\Local\Temp\309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 36

Network

N/A

Files

memory/2664-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-21 17:54

Reported

2024-07-21 17:57

Platform

win10v2004-20240709-en

Max time kernel

138s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b.exe

"C:\Users\Admin\AppData\Local\Temp\309a42c59f64fb06fdfeea90090c323399267198946433a785f92ec37701c34b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2220 -ip 2220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 19.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 52.111.243.29:443 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/2220-0-0x0000000000400000-0x000000000040B000-memory.dmp