Malware Analysis Report

2025-01-02 10:56

Sample ID 241010-csfk5avejd
Target d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe
SHA256 d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0
Tags
smokeloader pub1 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

d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0

Threat Level: Known bad

The file d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor discovery trojan

SmokeLoader

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

2024-10-10 02:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-10 02:20

Reported

2024-10-10 02:22

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe

"C:\Users\Admin\AppData\Local\Temp\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 168

Network

N/A

Files

memory/1916-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1916-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/1916-1-0x0000000000660000-0x0000000000760000-memory.dmp

memory/1916-5-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1916-4-0x0000000000400000-0x0000000000483000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-10 02:20

Reported

2024-10-10 02:22

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.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\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.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\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe

"C:\Users\Admin\AppData\Local\Temp\d134bebdf067cc8f99dac75e8b1c22c0f032d29c0baab49d0f8a4eef5304c5d0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2340 -ip 2340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 464

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.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

Files

memory/2340-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2340-1-0x00000000004A0000-0x00000000005A0000-memory.dmp

memory/2340-3-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2340-4-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2340-5-0x0000000000400000-0x000000000040B000-memory.dmp