Malware Analysis Report

2025-01-02 10:54

Sample ID 241015-h3a2aawalj
Target f2f66eb84f8d5a29a54e2a6255b36606.exe
SHA256 71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3
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

71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3

Threat Level: Known bad

The file f2f66eb84f8d5a29a54e2a6255b36606.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

2024-10-15 07:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 07:15

Reported

2024-10-15 07:17

Platform

win7-20241010-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f2f66eb84f8d5a29a54e2a6255b36606.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\f2f66eb84f8d5a29a54e2a6255b36606.exe

"C:\Users\Admin\AppData\Local\Temp\f2f66eb84f8d5a29a54e2a6255b36606.exe"

Network

N/A

Files

memory/1712-3-0x0000000000220000-0x000000000022B000-memory.dmp

memory/1712-2-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1712-4-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1712-1-0x0000000000560000-0x0000000000660000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 07:15

Reported

2024-10-15 07:17

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f2f66eb84f8d5a29a54e2a6255b36606.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\f2f66eb84f8d5a29a54e2a6255b36606.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\f2f66eb84f8d5a29a54e2a6255b36606.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\f2f66eb84f8d5a29a54e2a6255b36606.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\f2f66eb84f8d5a29a54e2a6255b36606.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f2f66eb84f8d5a29a54e2a6255b36606.exe

"C:\Users\Admin\AppData\Local\Temp\f2f66eb84f8d5a29a54e2a6255b36606.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 756 -ip 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp

Files

memory/756-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/756-1-0x0000000000560000-0x0000000000660000-memory.dmp

memory/756-3-0x0000000000400000-0x0000000000478000-memory.dmp

memory/756-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/756-5-0x0000000000400000-0x0000000000478000-memory.dmp