Malware Analysis Report

2025-04-03 16:40

Sample ID 241109-tzj1kaxjdw
Target aacd3ed57307a8b44476f58d2acb4049
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: 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

f9b85d398c1e35b6da62ca02a435465e87fc3d30ab6a668e93cb06e8576d6f4d

Threat Level: Known bad

The file aacd3ed57307a8b44476f58d2acb4049 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

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 16:29

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 16:29

Reported

2024-11-09 16:32

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aacd3ed57307a8b44476f58d2acb4049.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\aacd3ed57307a8b44476f58d2acb4049.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\aacd3ed57307a8b44476f58d2acb4049.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\aacd3ed57307a8b44476f58d2acb4049.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\aacd3ed57307a8b44476f58d2acb4049.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aacd3ed57307a8b44476f58d2acb4049.exe

"C:\Users\Admin\AppData\Local\Temp\aacd3ed57307a8b44476f58d2acb4049.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4784 -ip 4784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4784-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

memory/4784-2-0x00000000021C0000-0x00000000021C9000-memory.dmp

memory/4784-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4784-4-0x0000000000400000-0x0000000000483000-memory.dmp

memory/4784-5-0x00000000021C0000-0x00000000021C9000-memory.dmp

memory/4784-6-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 16:29

Reported

2024-11-09 16:32

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aacd3ed57307a8b44476f58d2acb4049.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\aacd3ed57307a8b44476f58d2acb4049.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aacd3ed57307a8b44476f58d2acb4049.exe

"C:\Users\Admin\AppData\Local\Temp\aacd3ed57307a8b44476f58d2acb4049.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 136

Network

N/A

Files

memory/1732-1-0x0000000000520000-0x0000000000620000-memory.dmp

memory/1732-3-0x0000000000400000-0x0000000000483000-memory.dmp

memory/1732-2-0x0000000000400000-0x0000000000409000-memory.dmp