Malware Analysis Report

2025-01-02 11:39

Sample ID 241006-w15prsycmp
Target 3048-3-0x0000000000400000-0x000000000040B000-memory.dmp
SHA256 2c2f0ada85e81707305d460f6f5d4aaa0ce78dc61ba9553c114ca4a69e8dfacf
Tags
pub2 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

2c2f0ada85e81707305d460f6f5d4aaa0ce78dc61ba9553c114ca4a69e8dfacf

Threat Level: Known bad

The file 3048-3-0x0000000000400000-0x000000000040B000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

pub2 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

2024-10-06 18:24

Signatures

Smokeloader family

smokeloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-06 18:24

Reported

2024-10-06 18:26

Platform

win7-20240729-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3048-3-0x0000000000400000-0x000000000040B000-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\3048-3-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3048-3-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\3048-3-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 36

Network

N/A

Files

memory/2188-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-06 18:24

Reported

2024-10-06 18:26

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3048-3-0x0000000000400000-0x000000000040B000-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\3048-3-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3048-3-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\3048-3-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4076 -ip 4076

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 228

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4076-0-0x0000000000400000-0x000000000040B000-memory.dmp