Malware Analysis Report

2025-06-15 19:46

Sample ID 240329-cvlj6afg22
Target e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf
SHA256 e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf
Tags
smokeloader backdoor 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

e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf

Threat Level: Known bad

The file e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Checks SCSI registry key(s)

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-29 02:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-29 02:23

Reported

2024-03-29 02:25

Platform

win7-20240221-en

Max time kernel

60s

Max time network

60s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A 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\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe

"C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 selebration17io.io udp
US 8.8.8.8:53 vacantion18ffeu.cc udp
US 8.8.8.8:53 valarioulinity1.net udp
US 8.8.8.8:53 buriatiarutuhuob.net udp

Files

memory/1312-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

memory/1312-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

memory/1312-3-0x0000000000400000-0x000000000053D000-memory.dmp

memory/1312-5-0x0000000000400000-0x000000000053D000-memory.dmp

memory/1212-4-0x0000000002F00000-0x0000000002F16000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-29 02:23

Reported

2024-03-29 02:25

Platform

win10v2004-20240226-en

Max time kernel

62s

Max time network

65s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A 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\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
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Suspicious use of SendNotifyMessage

Description Indicator Process Target
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe

"C:\Users\Admin\AppData\Local\Temp\e40950ff256e0db73e210062b5098fe9dd0e7ed4fdc315b4835efd7d95fcdeaf.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 selebration17io.io udp
US 8.8.8.8:53 vacantion18ffeu.cc udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp

Files

memory/2112-1-0x0000000000800000-0x0000000000900000-memory.dmp

memory/2112-2-0x00000000007E0000-0x00000000007EB000-memory.dmp

memory/2112-3-0x0000000000400000-0x000000000053D000-memory.dmp

memory/2112-4-0x0000000000400000-0x000000000053D000-memory.dmp

memory/3332-5-0x00000000023F0000-0x0000000002406000-memory.dmp

memory/2112-6-0x0000000000400000-0x000000000053D000-memory.dmp

memory/2112-9-0x00000000007E0000-0x00000000007EB000-memory.dmp