Malware Analysis Report

2025-01-02 04:35

Sample ID 241120-zmbfjsxpaj
Target d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe
SHA256 d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce
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

d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce

Threat Level: Known bad

The file d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor discovery trojan

SmokeLoader

Smokeloader family

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 20:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 20:49

Reported

2024-11-20 20:51

Platform

win7-20240903-en

Max time kernel

75s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe

"C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 136

Network

N/A

Files

memory/3044-1-0x0000000000960000-0x0000000000A60000-memory.dmp

memory/3044-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3044-3-0x0000000000400000-0x0000000000885000-memory.dmp

memory/3044-5-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 20:49

Reported

2024-11-20 20:51

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.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\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.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\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe

"C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4336 -ip 4336

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/4336-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4336-1-0x0000000000B00000-0x0000000000C00000-memory.dmp

memory/4336-3-0x0000000000400000-0x0000000000885000-memory.dmp

memory/4336-4-0x0000000000400000-0x0000000000885000-memory.dmp

memory/4336-5-0x0000000000400000-0x0000000000409000-memory.dmp