Malware Analysis Report

2025-01-02 11:39

Sample ID 241004-pmgmfsyaka
Target 2276-2-0x0000000000400000-0x000000000040B000-memory.dmp
SHA256 8712cefecadeddb4dc598e11a3584ea3c46aa9b9197b607fa121f0a70c16313a
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

8712cefecadeddb4dc598e11a3584ea3c46aa9b9197b607fa121f0a70c16313a

Threat Level: Known bad

The file 2276-2-0x0000000000400000-0x000000000040B000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

pub2 smokeloader backdoor discovery trojan

SmokeLoader

Smokeloader family

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-04 12:26

Signatures

Smokeloader family

smokeloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-04 12:26

Reported

2024-10-04 12:29

Platform

win7-20240729-en

Max time kernel

16s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2276-2-0x0000000000400000-0x000000000040B000-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\2276-2-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2276-2-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2276-2-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 36

Network

N/A

Files

memory/2544-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-04 12:26

Reported

2024-10-04 12:29

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2276-2-0x0000000000400000-0x000000000040B000-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\2276-2-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2276-2-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2276-2-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3308 -ip 3308

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -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 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/3308-0-0x0000000000400000-0x000000000040B000-memory.dmp