Malware Analysis Report

2024-12-08 00:46

Sample ID 231231-h3t46aebak
Target 2d04d92b229b2f53a7b774b2b60589c7
SHA256 4ecdfae0d224662800ea3abe03e3ba81ff0db8ffbad73dfe3777adcc943d5b75
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

4ecdfae0d224662800ea3abe03e3ba81ff0db8ffbad73dfe3777adcc943d5b75

Threat Level: Known bad

The file 2d04d92b229b2f53a7b774b2b60589c7 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious use of SendNotifyMessage

Uses Task Scheduler COM API

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-31 07:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 07:16

Reported

2024-01-02 12:46

Platform

win7-20231215-en

Max time kernel

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2d04d92b229b2f53a7b774b2b60589c7.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\2d04d92b229b2f53a7b774b2b60589c7.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2d04d92b229b2f53a7b774b2b60589c7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2d04d92b229b2f53a7b774b2b60589c7.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2d04d92b229b2f53a7b774b2b60589c7.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2d04d92b229b2f53a7b774b2b60589c7.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2d04d92b229b2f53a7b774b2b60589c7.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\2d04d92b229b2f53a7b774b2b60589c7.exe

"C:\Users\Admin\AppData\Local\Temp\2d04d92b229b2f53a7b774b2b60589c7.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 udp
N/A 8.8.8.8:53 udp
N/A 8.8.8.8:53 udp
N/A 8.8.8.8:53 udp
N/A 8.8.8.8:53 udp
N/A 8.8.8.8:53 udp

Files

memory/2144-2-0x0000000000220000-0x0000000000229000-memory.dmp

memory/2144-1-0x00000000024B0000-0x00000000025B0000-memory.dmp

memory/2144-3-0x0000000000400000-0x00000000023AF000-memory.dmp

memory/2144-5-0x0000000000400000-0x00000000023AF000-memory.dmp

memory/1076-4-0x0000000002950000-0x0000000002966000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 07:16

Reported

2024-01-02 12:47

Platform

win10v2004-20231222-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A