Malware Analysis Report

2024-12-08 00:48

Sample ID 240105-m4llmabbe7
Target 4382ba1ba4ef6706728111964b5d2514
SHA256 a2d58f2c37790969f079091835fec1595e43c8c082d58f45e11277a2223342d7
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

a2d58f2c37790969f079091835fec1595e43c8c082d58f45e11277a2223342d7

Threat Level: Known bad

The file 4382ba1ba4ef6706728111964b5d2514 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Loads dropped DLL

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-05 11:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-05 11:01

Reported

2024-01-05 11:03

Platform

win7-20231129-en

Max time kernel

91s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe 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\4382ba1ba4ef6706728111964b5d2514.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.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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Processes

C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe

"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 conceitosseg.com udp
US 8.8.8.8:53 integrasidata.com udp
SG 172.104.187.4:80 integrasidata.com tcp
US 8.8.8.8:53 ozentekstil.com udp
TR 89.19.30.75:80 ozentekstil.com tcp
US 8.8.8.8:53 finbelportal.com udp
US 8.8.8.8:53 telanganadigital.com udp
US 192.64.119.13:80 telanganadigital.com tcp
US 8.8.8.8:53 www.telanganadigital.com udp
DE 91.195.240.19:80 www.telanganadigital.com tcp

Files

memory/2928-4-0x0000000000400000-0x000000000046E000-memory.dmp

memory/2928-3-0x0000000000220000-0x0000000000229000-memory.dmp

memory/2928-1-0x0000000000610000-0x0000000000710000-memory.dmp

memory/2928-8-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1216-7-0x0000000002D70000-0x0000000002D85000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-05 11:01

Reported

2024-01-05 11:03

Platform

win10v2004-20231215-en

Max time kernel

93s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe 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\4382ba1ba4ef6706728111964b5d2514.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.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\4382ba1ba4ef6706728111964b5d2514.exe

"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 748 -ip 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 392

Network

Country Destination Domain Proto
US 8.8.8.8:53 83.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.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 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 167.109.18.2.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 conceitosseg.com udp
US 8.8.8.8:53 integrasidata.com udp
SG 172.104.187.4:80 integrasidata.com tcp
US 8.8.8.8:53 ozentekstil.com udp
US 8.8.8.8:53 4.187.104.172.in-addr.arpa udp
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
TR 89.19.30.75:80 ozentekstil.com tcp
US 8.8.8.8:53 finbelportal.com udp
US 8.8.8.8:53 75.30.19.89.in-addr.arpa udp
US 8.8.8.8:53 telanganadigital.com udp
US 192.64.119.13:80 telanganadigital.com tcp
US 8.8.8.8:53 13.119.64.192.in-addr.arpa udp
US 8.8.8.8:53 www.telanganadigital.com udp
DE 91.195.240.19:80 www.telanganadigital.com tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 19.240.195.91.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 105.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 114.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 196.178.17.96.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp

Files

memory/748-3-0x0000000000400000-0x000000000046E000-memory.dmp

memory/748-2-0x0000000000540000-0x0000000000549000-memory.dmp

memory/748-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

memory/3568-8-0x00000000023C0000-0x00000000023D5000-memory.dmp

memory/748-11-0x0000000000400000-0x000000000046E000-memory.dmp