Malware Analysis Report

2024-12-08 00:48

Sample ID 231228-lm5gqsfgfr
Target d688bb85d3b1e61d441f697d36060baf
SHA256 5232bb10cb0b8adbeedb81f5b33cb0911590370e07f792a54dde24fb23b17b65
Tags
smokeloader pub3 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

5232bb10cb0b8adbeedb81f5b33cb0911590370e07f792a54dde24fb23b17b65

Threat Level: Known bad

The file d688bb85d3b1e61d441f697d36060baf was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious use of FindShellTrayWindow

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-28 09:39

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral2

Detonation Overview

Submitted

2023-12-28 09:39

Reported

2024-01-02 20:59

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A

Suspicious use of UnmapMainImage

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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe

"C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 20.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 167.109.18.2.in-addr.arpa udp
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 12.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/4460-1-0x00000000032F0000-0x00000000033F0000-memory.dmp

memory/4460-2-0x0000000004FA0000-0x0000000004FA9000-memory.dmp

memory/4460-3-0x0000000000400000-0x000000000324F000-memory.dmp

memory/3368-4-0x0000000002300000-0x0000000002316000-memory.dmp

memory/4460-7-0x0000000000400000-0x000000000324F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-28 09:39

Reported

2024-01-02 20:59

Platform

win7-20231215-en

Max time kernel

151s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.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\d688bb85d3b1e61d441f697d36060baf.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A N/A N/A
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Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A N/A N/A
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe

"C:\Users\Admin\AppData\Local\Temp\d688bb85d3b1e61d441f697d36060baf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp

Files

memory/2008-1-0x0000000003690000-0x0000000003790000-memory.dmp

memory/2008-2-0x0000000000220000-0x0000000000229000-memory.dmp

memory/2008-3-0x0000000000400000-0x000000000324F000-memory.dmp

memory/1196-4-0x00000000029C0000-0x00000000029D6000-memory.dmp

memory/2008-5-0x0000000000400000-0x000000000324F000-memory.dmp