Malware Analysis Report

2025-01-02 04:51

Sample ID 240422-jn3neshc3v
Target Lisect_AV-T_G3_310.exe
SHA256 f1841988a585465476a9439564e30abb62017155f6589c2fe7592a5c43d7fca1
Tags
smokeloader backdoor 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

f1841988a585465476a9439564e30abb62017155f6589c2fe7592a5c43d7fca1

Threat Level: Known bad

The file Lisect_AV-T_G3_310.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan

SmokeLoader

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-22 07:49

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-22 07:49

Reported

2024-04-22 07:52

Platform

win10v2004-20240226-en

Max time kernel

122s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1444 set thread context of 2296 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe

"C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.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=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
FI 77.91.68.29:80 tcp
FI 77.91.68.29:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 28.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/2296-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2296-1-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3428-2-0x00000000021D0000-0x00000000021E6000-memory.dmp

memory/2296-4-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-22 07:49

Reported

2024-04-22 07:52

Platform

win7-20240221-en

Max time kernel

120s

Max time network

27s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2244 set thread context of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2244 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe

"C:\Users\Admin\AppData\Local\Temp\Lisect_AV-T_G3_310.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"

Network

Country Destination Domain Proto
FI 77.91.68.29:80 tcp
FI 77.91.68.29:80 tcp

Files

memory/1252-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1252-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1252-4-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1252-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1252-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1252-8-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1208-7-0x0000000002510000-0x0000000002526000-memory.dmp