Malware Analysis Report

2025-01-02 10:53

Sample ID 241102-c9affawpaw
Target 1640-3-0x0000000000400000-0x000000000040B000-memory.dmp
SHA256 8dd29a0b39272ecc46567f6628cb63e47a9dfeb6c832bcd5f0f8ed598edb7ed8
Tags
pub1 smokeloader 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

8dd29a0b39272ecc46567f6628cb63e47a9dfeb6c832bcd5f0f8ed598edb7ed8

Threat Level: Known bad

The file 1640-3-0x0000000000400000-0x000000000040B000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

pub1 smokeloader backdoor discovery trojan

SmokeLoader

Smokeloader family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-02 02:46

Signatures

Smokeloader family

smokeloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-02 02:46

Reported

2024-11-02 02:48

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1640-3-0x0000000000400000-0x000000000040B000-memory.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\1640-3-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1640-3-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\1640-3-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 36

Network

N/A

Files

memory/3024-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-02 02:46

Reported

2024-11-02 02:48

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1640-3-0x0000000000400000-0x000000000040B000-memory.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\1640-3-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1640-3-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\1640-3-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3084 -ip 3084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 232

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net 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/3084-0-0x0000000000400000-0x000000000040B000-memory.dmp