Malware Analysis Report

2025-01-02 04:35

Sample ID 241124-k46wfstjdx
Target 4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe
SHA256 4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5
Tags
smokeloader pub3 backdoor discovery trojan
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

4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5

Threat Level: Known bad

The file 4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor discovery trojan

SmokeLoader

Smokeloader family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-24 09:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-24 09:10

Reported

2024-11-24 09:12

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe

"C:\Users\Admin\AppData\Local\Temp\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 136

Network

N/A

Files

memory/3056-2-0x0000000000020000-0x0000000000029000-memory.dmp

memory/3056-1-0x0000000000230000-0x0000000000330000-memory.dmp

memory/3056-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3056-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3056-5-0x0000000000020000-0x0000000000029000-memory.dmp

memory/3056-4-0x0000000000400000-0x0000000000885000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-24 09:10

Reported

2024-11-24 09:12

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.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\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.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\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe

"C:\Users\Admin\AppData\Local\Temp\4483f73c3416a15f0bc21366501821e93c04bdc6891e3fbe40ab27e75b7091f5.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2532 -ip 2532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/2532-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2532-1-0x0000000000900000-0x0000000000A00000-memory.dmp

memory/2532-3-0x0000000000400000-0x0000000000885000-memory.dmp

memory/2532-4-0x0000000000400000-0x0000000000885000-memory.dmp

memory/2532-5-0x0000000000400000-0x0000000000409000-memory.dmp