Malware Analysis Report

2025-01-02 11:40

Sample ID 241003-cajvtsycnj
Target a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe
SHA256 a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253
Tags
smokeloader pub2 backdoor trojan discovery
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

a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253

Threat Level: Known bad

The file a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub2 backdoor trojan discovery

SmokeLoader

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-03 01:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-03 01:52

Reported

2024-10-03 01:54

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe

"C:\Users\Admin\AppData\Local\Temp\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe"

Network

N/A

Files

memory/2080-3-0x0000000000240000-0x000000000024B000-memory.dmp

memory/2080-4-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2080-2-0x0000000000250000-0x0000000000350000-memory.dmp

memory/2080-1-0x0000000000400000-0x000000000052E000-memory.dmp

memory/2080-5-0x0000000000250000-0x0000000000350000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-03 01:52

Reported

2024-10-03 01:54

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.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\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.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\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe

"C:\Users\Admin\AppData\Local\Temp\a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1384 -ip 1384

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 308

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/1384-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1384-2-0x00000000006B0000-0x00000000006BB000-memory.dmp

memory/1384-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

memory/1384-5-0x00000000006B0000-0x00000000006BB000-memory.dmp

memory/1384-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1384-4-0x0000000000400000-0x000000000052E000-memory.dmp