Malware Analysis Report

2024-12-08 00:47

Sample ID 240116-nkbsrabeg5
Target 5fc8a0dad6eae9f2006b89d107508a43
SHA256 b9503a90d98077a5bcaa4f83f5946195d18446cf2f543684fbe3b386df10ef7e
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

b9503a90d98077a5bcaa4f83f5946195d18446cf2f543684fbe3b386df10ef7e

Threat Level: Known bad

The file 5fc8a0dad6eae9f2006b89d107508a43 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Program crash

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-16 11:26

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral2

Detonation Overview

Submitted

2024-01-16 11:26

Reported

2024-01-16 11:29

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
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Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A 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\5fc8a0dad6eae9f2006b89d107508a43.exe

"C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2156 -ip 2156

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 368

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 83.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/2156-2-0x0000000002D40000-0x0000000002D49000-memory.dmp

memory/2156-1-0x0000000002DF0000-0x0000000002EF0000-memory.dmp

memory/2156-3-0x0000000000400000-0x0000000002C62000-memory.dmp

memory/3416-4-0x0000000002BE0000-0x0000000002BF6000-memory.dmp

memory/2156-7-0x0000000000400000-0x0000000002C62000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-16 11:26

Reported

2024-01-16 11:29

Platform

win7-20231215-en

Max time kernel

150s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.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\5fc8a0dad6eae9f2006b89d107508a43.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.exe

"C:\Users\Admin\AppData\Local\Temp\5fc8a0dad6eae9f2006b89d107508a43.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/1368-1-0x0000000002E30000-0x0000000002F30000-memory.dmp

memory/1368-2-0x0000000000220000-0x0000000000229000-memory.dmp

memory/1368-3-0x0000000000400000-0x0000000002C62000-memory.dmp

memory/1252-4-0x00000000024C0000-0x00000000024D6000-memory.dmp

memory/1368-5-0x0000000000400000-0x0000000002C62000-memory.dmp