Malware Analysis Report

2025-01-02 04:35

Sample ID 241124-k3redasrht
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 09:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-24 09:07

Reported

2024-11-24 09:09

Platform

win7-20241010-en

Max time kernel

72s

Max time network

19s

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 2448 -s 136

Network

N/A

Files

memory/2448-1-0x0000000000900000-0x0000000000A00000-memory.dmp

memory/2448-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2448-2-0x0000000000020000-0x0000000000029000-memory.dmp

memory/2448-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2448-4-0x0000000000400000-0x0000000000885000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-24 09:07

Reported

2024-11-24 09:09

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

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

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 476 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 3.166.122.92.in-addr.arpa udp

Files

memory/1432-2-0x0000000000AD0000-0x0000000000AD9000-memory.dmp

memory/1432-1-0x0000000000B10000-0x0000000000C10000-memory.dmp

memory/1432-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1432-6-0x0000000000AD0000-0x0000000000AD9000-memory.dmp

memory/1432-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1432-4-0x0000000000400000-0x0000000000885000-memory.dmp