Malware Analysis Report

2025-04-03 18:01

Sample ID 241109-szjjcsxcjg
Target 8f74531e876ff557ca8aa91c30216e45a6dafcc1
SHA256 89e73fc9d6235c1ddb0b970c04661f67872c0d7f8625039e057872d032bdcc08
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

89e73fc9d6235c1ddb0b970c04661f67872c0d7f8625039e057872d032bdcc08

Threat Level: Known bad

The file 8f74531e876ff557ca8aa91c30216e45a6dafcc1 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor discovery trojan

SmokeLoader

Smokeloader family

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 15:33

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 15:33

Reported

2024-11-09 15:36

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8f74531e876ff557ca8aa91c30216e45a6dafcc1.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\8f74531e876ff557ca8aa91c30216e45a6dafcc1.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\8f74531e876ff557ca8aa91c30216e45a6dafcc1.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8f74531e876ff557ca8aa91c30216e45a6dafcc1.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8f74531e876ff557ca8aa91c30216e45a6dafcc1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8f74531e876ff557ca8aa91c30216e45a6dafcc1.exe

"C:\Users\Admin\AppData\Local\Temp\8f74531e876ff557ca8aa91c30216e45a6dafcc1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2268 -ip 2268

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/2268-1-0x0000000002F70000-0x0000000003070000-memory.dmp

memory/2268-2-0x0000000002D40000-0x0000000002D49000-memory.dmp

memory/2268-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2268-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2268-5-0x0000000002D40000-0x0000000002D49000-memory.dmp

memory/2268-4-0x0000000000400000-0x0000000002C26000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 15:33

Reported

2024-11-09 15:36

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8f74531e876ff557ca8aa91c30216e45a6dafcc1.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\8f74531e876ff557ca8aa91c30216e45a6dafcc1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8f74531e876ff557ca8aa91c30216e45a6dafcc1.exe

"C:\Users\Admin\AppData\Local\Temp\8f74531e876ff557ca8aa91c30216e45a6dafcc1.exe"

Network

N/A

Files

memory/2156-3-0x0000000000220000-0x0000000000229000-memory.dmp

memory/2156-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2156-1-0x0000000000400000-0x0000000002C26000-memory.dmp

memory/2156-4-0x0000000000400000-0x0000000002C26000-memory.dmp