Malware Analysis Report

2024-12-08 00:49

Sample ID 231227-3z5rpsfdf2
Target bbacb97505d9e10a75c4fe7a3170fb90
SHA256 b34da2ec36d0d8645f56224bd8c9a913020454efb75ee452cb8c7e79856dfc1b
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

b34da2ec36d0d8645f56224bd8c9a913020454efb75ee452cb8c7e79856dfc1b

Threat Level: Known bad

The file bbacb97505d9e10a75c4fe7a3170fb90 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-27 23:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-27 23:58

Reported

2024-01-08 01:58

Platform

win7-20231215-en

Max time kernel

150s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.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\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe

"C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.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/3068-1-0x0000000003400000-0x0000000003500000-memory.dmp

memory/3068-2-0x0000000000230000-0x0000000000239000-memory.dmp

memory/3068-3-0x0000000000400000-0x000000000324F000-memory.dmp

memory/1324-4-0x0000000002990000-0x00000000029A6000-memory.dmp

memory/3068-5-0x0000000000400000-0x000000000324F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-27 23:58

Reported

2024-01-08 01:58

Platform

win10v2004-20231215-en

Max time kernel

81s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.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\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe

"C:\Users\Admin\AppData\Local\Temp\bbacb97505d9e10a75c4fe7a3170fb90.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3548 -ip 3548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 372

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 21.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
N/A 40.127.240.158:443 tcp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 96.16.110.41:443 tcp
US 8.8.8.8:53 udp
US 192.229.221.95:80 tcp
N/A 51.104.136.2:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 51.104.136.2:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.3.187.198:443 tcp
N/A 20.3.187.198:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 104.91.71.134:80 tcp
US 8.8.8.8:53 udp
N/A 92.123.241.104:80 tcp
N/A 92.123.241.104:80 tcp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.54.110.119:443 tcp
US 8.8.8.8:53 udp
N/A 20.3.187.198:443 tcp
N/A 104.91.71.134:80 tcp
N/A 104.91.71.134:80 tcp
N/A 104.91.71.134:80 tcp
N/A 104.91.71.134:80 tcp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
N/A 104.91.71.134:80 tcp
GB 88.221.135.211:80 tcp
N/A 104.91.71.134:80 tcp
US 93.184.221.240:80 tcp
GB 88.221.135.211:80 tcp
N/A 104.91.71.134:80 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
N/A 104.91.71.134:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
GB 88.221.135.211:80 tcp
N/A 104.91.71.134:80 tcp
N/A 104.91.71.134:80 tcp
US 93.184.221.240:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 93.184.221.240:80 tcp
GB 88.221.135.211:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
N/A 20.223.35.26:443 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 204.79.197.200:443 tcp
GB 88.221.135.211:80 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp

Files

memory/3548-1-0x0000000003590000-0x0000000003690000-memory.dmp

memory/3548-2-0x0000000004F90000-0x0000000004F99000-memory.dmp

memory/3548-3-0x0000000000400000-0x000000000324F000-memory.dmp

memory/3344-4-0x0000000003250000-0x0000000003266000-memory.dmp

memory/3548-7-0x0000000000400000-0x000000000324F000-memory.dmp