Malware Analysis Report

2025-01-02 10:53

Sample ID 241019-2h8llavfrl
Target 8fbbc8324dd8606d4e385bd7be40a15a.exe
SHA256 2cfc6fe46f2025a7aeab3dbb5d271c49cb3341545313582ab6603351e75ee19c
Tags
smokeloader pub1 backdoor trojan discovery
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

2cfc6fe46f2025a7aeab3dbb5d271c49cb3341545313582ab6603351e75ee19c

Threat Level: Known bad

The file 8fbbc8324dd8606d4e385bd7be40a15a.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan discovery

SmokeLoader

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-19 22:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-19 22:36

Reported

2024-10-19 22:38

Platform

win7-20240903-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8fbbc8324dd8606d4e385bd7be40a15a.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\8fbbc8324dd8606d4e385bd7be40a15a.exe

"C:\Users\Admin\AppData\Local\Temp\8fbbc8324dd8606d4e385bd7be40a15a.exe"

Network

N/A

Files

memory/2720-0-0x00000000001E0000-0x000000000020C000-memory.dmp

memory/2720-1-0x00000000001B0000-0x00000000001BB000-memory.dmp

memory/2720-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2720-4-0x00000000001B0000-0x00000000001BB000-memory.dmp

memory/2720-5-0x00000000001E0000-0x000000000020C000-memory.dmp

memory/2720-3-0x0000000000400000-0x000000000046A000-memory.dmp

memory/2720-6-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-19 22:36

Reported

2024-10-19 22:38

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8fbbc8324dd8606d4e385bd7be40a15a.exe"

Signatures

SmokeLoader

trojan backdoor 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\8fbbc8324dd8606d4e385bd7be40a15a.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\8fbbc8324dd8606d4e385bd7be40a15a.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8fbbc8324dd8606d4e385bd7be40a15a.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8fbbc8324dd8606d4e385bd7be40a15a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8fbbc8324dd8606d4e385bd7be40a15a.exe

"C:\Users\Admin\AppData\Local\Temp\8fbbc8324dd8606d4e385bd7be40a15a.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3488 -ip 3488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/3488-0-0x00000000021C0000-0x00000000021EC000-memory.dmp

memory/3488-1-0x00000000021F0000-0x00000000021FB000-memory.dmp

memory/3488-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/3488-3-0x0000000000400000-0x000000000046A000-memory.dmp

memory/3488-4-0x00000000021C0000-0x00000000021EC000-memory.dmp

memory/3488-5-0x00000000021F0000-0x00000000021FB000-memory.dmp

memory/3488-6-0x0000000000400000-0x000000000040B000-memory.dmp