Malware Analysis Report

2025-08-06 01:11

Sample ID 241107-jef33aybje
Target 04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a
SHA256 04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a
Tags
smokeloader 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

04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a

Threat Level: Known bad

The file 04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a was found to be: Known bad.

Malicious Activity Summary

smokeloader 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

2024-11-07 07:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 07:34

Reported

2024-11-07 07:37

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe

"C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 140

Network

N/A

Files

memory/3068-1-0x0000000000520000-0x0000000000620000-memory.dmp

memory/3068-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3068-3-0x0000000000400000-0x000000000048D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 07:34

Reported

2024-11-07 07:37

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.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\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe

"C:\Users\Admin\AppData\Local\Temp\04bf88c638e56cf541a4a684ed1dff4e8fe92d7398e9683f54a833246cb5dd9a.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1588 -ip 1588

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/1588-1-0x0000000000600000-0x0000000000700000-memory.dmp

memory/1588-2-0x00000000005E0000-0x00000000005E9000-memory.dmp

memory/1588-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1588-4-0x0000000000400000-0x000000000048D000-memory.dmp

memory/1588-5-0x00000000005E0000-0x00000000005E9000-memory.dmp

memory/1588-6-0x0000000000400000-0x0000000000409000-memory.dmp