Malware Analysis Report

2024-12-06 03:29

Sample ID 241110-dsxp3s1pdq
Target 569b86219cba20b0c5f808b76026a4fb5ab6dc80
SHA256 24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86
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

24d6ba0a22ec78d588e2be35a4451c50620e206b0b542b9f010540e7704bad86

Threat Level: Known bad

The file 569b86219cba20b0c5f808b76026a4fb5ab6dc80 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor discovery trojan

SmokeLoader

Smokeloader family

Suspicious use of SetThreadContext

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 03:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 03:16

Reported

2024-11-10 03:19

Platform

win7-20241010-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Smokeloader family

smokeloader

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2552 set thread context of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

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\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2552 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe

"C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 88

Network

N/A

Files

memory/2552-0-0x0000000000091000-0x0000000000093000-memory.dmp

memory/1832-1-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1832-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1832-2-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 03:16

Reported

2024-11-10 03:19

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Smokeloader family

smokeloader

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1000 set thread context of 2224 N/A C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

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\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe

"C:\Users\Admin\AppData\Local\Temp\569b86219cba20b0c5f808b76026a4fb5ab6dc80.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1000 -ip 1000

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 256

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/1000-0-0x0000000000721000-0x0000000000723000-memory.dmp

memory/2224-1-0x0000000000400000-0x0000000000409000-memory.dmp