Malware Analysis Report

2025-01-02 10:54

Sample ID 241103-rsp7wswekc
Target 89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a
SHA256 89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a
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

89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a

Threat Level: Known bad

The file 89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan discovery

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

2024-11-03 14:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 14:27

Reported

2024-11-03 14:30

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Smokeloader family

smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.exe

"C:\Users\Admin\AppData\Local\Temp\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.exe"

Network

N/A

Files

memory/2820-0-0x0000000000220000-0x000000000024C000-memory.dmp

memory/2820-1-0x0000000000250000-0x000000000025B000-memory.dmp

memory/2820-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2820-3-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2820-5-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2820-4-0x0000000000250000-0x000000000025B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 14:27

Reported

2024-11-03 14:30

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.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\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.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\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.exe

"C:\Users\Admin\AppData\Local\Temp\89f43c4defb025ce9a65484aacdfbe49d01113952842b9aa4bfe9cf5d65d862a.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2316 -ip 2316

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.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 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.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/2316-0-0x00000000001C0000-0x00000000001EC000-memory.dmp

memory/2316-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2316-1-0x00000000005A0000-0x00000000005AB000-memory.dmp

memory/2316-3-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2316-6-0x00000000005A0000-0x00000000005AB000-memory.dmp

memory/2316-5-0x00000000001C0000-0x00000000001EC000-memory.dmp

memory/2316-4-0x0000000000400000-0x000000000040B000-memory.dmp