Malware Analysis Report

2024-12-08 00:47

Sample ID 231220-ss3nnaegcl
Target d6c32f65cf717c4ed4889940eaf73136
SHA256 51bdaba28bc505c170242ebfb47847e54ff18202502f0e5d907196a0074fa254
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: 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

51bdaba28bc505c170242ebfb47847e54ff18202502f0e5d907196a0074fa254

Threat Level: Known bad

The file d6c32f65cf717c4ed4889940eaf73136 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-20 15:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-20 15:24

Reported

2023-12-20 22:34

Platform

win7-20231215-en

Max time kernel

150s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.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\d6c32f65cf717c4ed4889940eaf73136.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe

"C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 govsurplusstore.com udp
US 8.8.8.8:53 best-forsale.com udp
US 8.8.8.8:53 chmxnautoparts.com udp
US 8.8.8.8:53 kwazone.com udp

Files

memory/1096-2-0x0000000000020000-0x0000000000029000-memory.dmp

memory/1096-1-0x0000000000290000-0x0000000000390000-memory.dmp

memory/1096-3-0x0000000000400000-0x0000000002B90000-memory.dmp

memory/1248-4-0x0000000002D20000-0x0000000002D35000-memory.dmp

memory/1096-5-0x0000000000400000-0x0000000002B90000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-20 15:24

Reported

2023-12-20 22:34

Platform

win10v2004-20231215-en

Max time kernel

151s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.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\d6c32f65cf717c4ed4889940eaf73136.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe

"C:\Users\Admin\AppData\Local\Temp\d6c32f65cf717c4ed4889940eaf73136.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 govsurplusstore.com udp
US 8.8.8.8:53 best-forsale.com udp
US 8.8.8.8:53 chmxnautoparts.com udp
US 8.8.8.8:53 kwazone.com udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 209.143.182.52.in-addr.arpa udp

Files

memory/2208-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

memory/2208-2-0x0000000002CE0000-0x0000000002CE9000-memory.dmp

memory/2208-3-0x0000000000400000-0x0000000002B90000-memory.dmp

memory/3444-4-0x0000000003210000-0x0000000003225000-memory.dmp

memory/2208-5-0x0000000000400000-0x0000000002B90000-memory.dmp