Malware Analysis Report

2025-01-02 10:54

Sample ID 241016-cvhs9sxgqb
Target 2432-3-0x0000000000400000-0x000000000040B000-memory.dmp
SHA256 bf422e16d4585ca5785d48128a4a0fe88e060eb9a8f67f3ec98c9f6368adbdb5
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

bf422e16d4585ca5785d48128a4a0fe88e060eb9a8f67f3ec98c9f6368adbdb5

Threat Level: Known bad

The file 2432-3-0x0000000000400000-0x000000000040B000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

pub1 smokeloader backdoor discovery trojan

Smokeloader family

SmokeLoader

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 02:23

Signatures

Smokeloader family

smokeloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 02:23

Reported

2024-10-16 02:26

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2432-3-0x0000000000400000-0x000000000040B000-memory.exe"

Signatures

SmokeLoader

trojan backdoor 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\2432-3-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2432-3-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2432-3-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 36

Network

N/A

Files

memory/2236-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 02:23

Reported

2024-10-16 02:26

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2432-3-0x0000000000400000-0x000000000040B000-memory.exe"

Signatures

SmokeLoader

trojan backdoor 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\2432-3-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2432-3-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2432-3-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1244 -ip 1244

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1244-0-0x0000000000400000-0x000000000040B000-memory.dmp