Malware Analysis Report

2025-05-28 19:51

Sample ID 241109-kpmt2a1gjd
Target 5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635
SHA256 5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635
Tags
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

5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635

Threat Level: Known bad

The file 5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor discovery trojan

SmokeLoader

Smokeloader family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 08:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 08:46

Reported

2024-11-09 08:49

Platform

win7-20240903-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe

"C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 136

Network

N/A

Files

memory/2916-1-0x0000000000660000-0x0000000000760000-memory.dmp

memory/2916-3-0x0000000000400000-0x000000000058A000-memory.dmp

memory/2916-2-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 08:46

Reported

2024-11-09 08:49

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.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\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe

"C:\Users\Admin\AppData\Local\Temp\5345f88b858272620a7650f5c12b1e97321d0200db12638c925a5fa0d4f77635.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4844 -ip 4844

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 114.108.222.173.in-addr.arpa udp

Files

memory/4844-1-0x0000000000850000-0x0000000000950000-memory.dmp

memory/4844-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4844-2-0x0000000000830000-0x0000000000839000-memory.dmp

memory/4844-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4844-5-0x0000000000830000-0x0000000000839000-memory.dmp

memory/4844-4-0x0000000000400000-0x000000000058A000-memory.dmp