Malware Analysis Report

2025-04-03 14:34

Sample ID 241110-my39gsvlav
Target f1965569afa17e668bdf4319aed4bb4f
SHA256 7f9173994bceb3d14f526d1c32ba5af275bec4831b47d8de7085b6612da10e65
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

7f9173994bceb3d14f526d1c32ba5af275bec4831b47d8de7085b6612da10e65

Threat Level: Known bad

The file f1965569afa17e668bdf4319aed4bb4f 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

2024-11-10 10:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 10:53

Reported

2024-11-10 10:55

Platform

win7-20241010-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.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\f1965569afa17e668bdf4319aed4bb4f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.exe

"C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 136

Network

N/A

Files

memory/1748-3-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1748-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1748-1-0x0000000000550000-0x0000000000650000-memory.dmp

memory/1748-5-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 10:53

Reported

2024-11-10 10:55

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.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\f1965569afa17e668bdf4319aed4bb4f.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\f1965569afa17e668bdf4319aed4bb4f.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.exe

"C:\Users\Admin\AppData\Local\Temp\f1965569afa17e668bdf4319aed4bb4f.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4528 -ip 4528

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.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 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4528-1-0x00000000004C0000-0x00000000005C0000-memory.dmp

memory/4528-2-0x00000000005D0000-0x00000000005D9000-memory.dmp

memory/4528-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4528-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4528-5-0x00000000005D0000-0x00000000005D9000-memory.dmp

memory/4528-4-0x0000000000400000-0x0000000000486000-memory.dmp