Malware Analysis Report

2025-01-02 10:53

Sample ID 241109-rldwaawdlp
Target fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f
SHA256 fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f
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

fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f

Threat Level: Known bad

The file fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor discovery trojan

SmokeLoader

Smokeloader family

Suspicious use of SetThreadContext

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 14:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 14:16

Reported

2024-11-09 14:19

Platform

win7-20241010-en

Max time kernel

13s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.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\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3004 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3004 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3004 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3004 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3004 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3004 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3004 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe

"C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe"

C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe

"C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe"

Network

N/A

Files

memory/3004-2-0x0000000000020000-0x0000000000029000-memory.dmp

memory/3004-1-0x0000000000250000-0x0000000000350000-memory.dmp

memory/652-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/652-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/652-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/652-9-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 14:16

Reported

2024-11-09 14:19

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.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\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.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\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3672 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3672 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3672 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3672 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3672 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe
PID 3672 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe

"C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe"

C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe

"C:\Users\Admin\AppData\Local\Temp\fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/3672-1-0x0000000000770000-0x0000000000870000-memory.dmp

memory/3672-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/2916-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2916-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2916-7-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2916-5-0x0000000000410000-0x00000000004D9000-memory.dmp