Malware Analysis Report

2025-05-06 02:06

Sample ID 241110-rntdraycjk
Target d9b93235409ff4b82e0b5665f27fff337724cf31
SHA256 f932d7b45d644c8f153dc8eb4a7090958a31fb5d699f792719634884ce8d97a6
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

f932d7b45d644c8f153dc8eb4a7090958a31fb5d699f792719634884ce8d97a6

Threat Level: Known bad

The file d9b93235409ff4b82e0b5665f27fff337724cf31 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor discovery trojan

SmokeLoader

Smokeloader family

Unsigned PE

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 14:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 14:20

Reported

2024-11-10 14:23

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.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\d9b93235409ff4b82e0b5665f27fff337724cf31.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.exe

"C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 136

Network

N/A

Files

memory/2600-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

memory/2600-3-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2600-2-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 14:20

Reported

2024-11-10 14:23

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.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\d9b93235409ff4b82e0b5665f27fff337724cf31.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.exe

"C:\Users\Admin\AppData\Local\Temp\d9b93235409ff4b82e0b5665f27fff337724cf31.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2496 -ip 2496

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2496-1-0x0000000000750000-0x0000000000850000-memory.dmp

memory/2496-2-0x0000000000730000-0x0000000000739000-memory.dmp

memory/2496-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2496-4-0x0000000000400000-0x0000000000486000-memory.dmp

memory/2496-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2496-5-0x0000000000730000-0x0000000000739000-memory.dmp