Malware Analysis Report

2024-12-08 00:46

Sample ID 231226-m1l3zsafe3
Target 69034ffc7d8a66f2a9d8995f6921324e
SHA256 31a633c24b0b84ca165cfe2637867a1bd08802738e94ffee8c2fe817a084fbdb
Tags
smokeloader pub3 backdoor 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

31a633c24b0b84ca165cfe2637867a1bd08802738e94ffee8c2fe817a084fbdb

Threat Level: Known bad

The file 69034ffc7d8a66f2a9d8995f6921324e was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Loads dropped DLL

Deletes itself

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-26 10:55

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 10:55

Reported

2024-01-06 11:09

Platform

win10v2004-20231222-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 10:55

Reported

2024-01-06 11:08

Platform

win7-20231129-en

Max time kernel

148s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.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\69034ffc7d8a66f2a9d8995f6921324e.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A N/A N/A
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Suspicious use of SendNotifyMessage

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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.exe

"C:\Users\Admin\AppData\Local\Temp\69034ffc7d8a66f2a9d8995f6921324e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 conceitosseg.com udp
US 8.8.8.8:53 integrasidata.com udp
SG 172.104.187.4:80 integrasidata.com tcp
US 8.8.8.8:53 ozentekstil.com udp
TR 89.19.30.75:80 ozentekstil.com tcp
US 8.8.8.8:53 finbelportal.com udp
US 8.8.8.8:53 telanganadigital.com udp
US 192.64.119.13:80 telanganadigital.com tcp
US 8.8.8.8:53 www.telanganadigital.com udp
DE 91.195.240.19:80 www.telanganadigital.com tcp

Files

\Users\Admin\AppData\Local\Temp\CC4F.tmp

MD5 c150b8d08c3f990e525d2b821c3c5153
SHA1 e9094ae1269b26763c8f7bd9f9b08911c6664804
SHA256 bdc912953da3dce2b12088eaf208359c83f95d1d8cb3ecfcc1c8c03467de7e8e
SHA512 c10a07e9cb970f5564d2f0ecc462861c677c0357505a937604d56bb4f2efe1eb76560dfb23cb0569b6843820d3a413c70ab6aba5c2452026a164b34d4add9795

memory/2928-4-0x0000000000220000-0x0000000000229000-memory.dmp

memory/2928-3-0x0000000000400000-0x0000000000455000-memory.dmp

memory/2928-1-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2928-8-0x0000000000400000-0x0000000000455000-memory.dmp

memory/1380-7-0x0000000002E00000-0x0000000002E15000-memory.dmp