Malware Analysis Report

2025-04-03 14:58

Sample ID 241110-mjqd3svdlq
Target 45ef04a77e25e37245932c9a5a2815b6d1a4e57d
SHA256 f9b85d398c1e35b6da62ca02a435465e87fc3d30ab6a668e93cb06e8576d6f4d
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

f9b85d398c1e35b6da62ca02a435465e87fc3d30ab6a668e93cb06e8576d6f4d

Threat Level: Known bad

The file 45ef04a77e25e37245932c9a5a2815b6d1a4e57d was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor discovery trojan

Smokeloader family

SmokeLoader

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

2024-11-10 10:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 10:29

Reported

2024-11-10 10:32

Platform

win7-20240729-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.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\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.exe

"C:\Users\Admin\AppData\Local\Temp\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 136

Network

N/A

Files

memory/2112-1-0x0000000000230000-0x0000000000330000-memory.dmp

memory/2112-3-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2112-2-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 10:29

Reported

2024-11-10 10:32

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.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\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.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\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.exe

"C:\Users\Admin\AppData\Local\Temp\45ef04a77e25e37245932c9a5a2815b6d1a4e57d.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3788 -ip 3788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3788-1-0x0000000000560000-0x0000000000660000-memory.dmp

memory/3788-2-0x00000000021D0000-0x00000000021D9000-memory.dmp

memory/3788-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3788-6-0x00000000021D0000-0x00000000021D9000-memory.dmp

memory/3788-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3788-4-0x0000000000400000-0x0000000000483000-memory.dmp