Malware Analysis Report

2025-01-02 10:53

Sample ID 241103-rnc2rswdld
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 family

SmokeLoader

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-03 14:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 14:19

Reported

2024-11-03 14:22

Platform

win7-20241010-en

Max time kernel

13s

Max time network

19s

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/2916-0-0x0000000000220000-0x000000000024C000-memory.dmp

memory/2916-1-0x0000000000250000-0x000000000025B000-memory.dmp

memory/2916-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2916-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2916-5-0x0000000000220000-0x000000000024C000-memory.dmp

memory/2916-4-0x0000000000250000-0x000000000025B000-memory.dmp

memory/2916-3-0x0000000000400000-0x0000000000467000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 14:19

Reported

2024-11-03 14:22

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

140s

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 460 -p 2288 -ip 2288

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2288-0-0x00000000001C0000-0x00000000001EC000-memory.dmp

memory/2288-1-0x00000000004A0000-0x00000000004AB000-memory.dmp

memory/2288-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2288-3-0x0000000000400000-0x0000000000467000-memory.dmp

memory/2288-4-0x00000000004A0000-0x00000000004AB000-memory.dmp

memory/2288-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2288-5-0x00000000001C0000-0x00000000001EC000-memory.dmp