Malware Analysis Report

2025-01-02 10:53

Sample ID 241017-g4w5gaygnr
Target 971a605d8e1e95d6cd4a2ff764f581e8.exe
SHA256 27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6
Tags
smokeloader pub1 backdoor discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6

Threat Level: Known bad

The file 971a605d8e1e95d6cd4a2ff764f581e8.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor discovery trojan

SmokeLoader

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 06:22

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 06:22

Reported

2024-10-17 06:24

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\971a605d8e1e95d6cd4a2ff764f581e8.exe"

Signatures

SmokeLoader

trojan backdoor 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\971a605d8e1e95d6cd4a2ff764f581e8.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\971a605d8e1e95d6cd4a2ff764f581e8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\971a605d8e1e95d6cd4a2ff764f581e8.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\971a605d8e1e95d6cd4a2ff764f581e8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\971a605d8e1e95d6cd4a2ff764f581e8.exe

"C:\Users\Admin\AppData\Local\Temp\971a605d8e1e95d6cd4a2ff764f581e8.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2148 -ip 2148

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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

Files

memory/2148-1-0x00000000004A0000-0x00000000005A0000-memory.dmp

memory/2148-2-0x00000000021B0000-0x00000000021BB000-memory.dmp

memory/2148-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2148-4-0x0000000000400000-0x000000000046A000-memory.dmp

memory/2148-5-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 06:22

Reported

2024-10-17 06:24

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\971a605d8e1e95d6cd4a2ff764f581e8.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\971a605d8e1e95d6cd4a2ff764f581e8.exe

"C:\Users\Admin\AppData\Local\Temp\971a605d8e1e95d6cd4a2ff764f581e8.exe"

Network

N/A

Files

memory/2104-4-0x00000000005E0000-0x00000000006E0000-memory.dmp

memory/2104-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2104-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2104-1-0x0000000000400000-0x000000000046A000-memory.dmp