Malware Analysis Report

2024-12-08 00:49

Sample ID 231219-1vd23sffd5
Target ae990f43a0d6e6db050b8119969d98e5
SHA256 18a991ca66e5a2f3ba4b92dd18171eaa5f7306b8cd7d9aa461e4aaef158e7b5c
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

18a991ca66e5a2f3ba4b92dd18171eaa5f7306b8cd7d9aa461e4aaef158e7b5c

Threat Level: Known bad

The file ae990f43a0d6e6db050b8119969d98e5 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 21:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-19 21:57

Reported

2023-12-20 18:43

Platform

win7-20231129-en

Max time kernel

150s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.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\ae990f43a0d6e6db050b8119969d98e5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
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Suspicious use of SendNotifyMessage

Description Indicator Process Target
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe

"C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gmpeople.com udp
DE 3.64.163.50:80 gmpeople.com tcp
US 8.8.8.8:53 mile48.com udp
US 208.91.197.46:80 mile48.com tcp
US 8.8.8.8:53 lecanardstsornin.com udp
US 8.8.8.8:53 m3600.com udp
US 8.8.8.8:53 camasirx.com udp
TR 89.107.229.40:80 camasirx.com tcp

Files

memory/2336-2-0x0000000000020000-0x0000000000029000-memory.dmp

memory/2336-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

memory/2336-3-0x0000000000400000-0x0000000000871000-memory.dmp

memory/2336-5-0x0000000000400000-0x0000000000871000-memory.dmp

memory/1284-4-0x0000000002E10000-0x0000000002E25000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 21:57

Reported

2023-12-20 18:42

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.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\ae990f43a0d6e6db050b8119969d98e5.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.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
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe

"C:\Users\Admin\AppData\Local\Temp\ae990f43a0d6e6db050b8119969d98e5.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4696 -ip 4696

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 368

Network

Country Destination Domain Proto
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 22.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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 20.231.121.79:80 tcp
US 8.8.8.8:53 gmpeople.com udp
DE 3.64.163.50:80 gmpeople.com tcp
US 8.8.8.8:53 mile48.com udp
US 208.91.197.46:80 mile48.com tcp
US 8.8.8.8:53 lecanardstsornin.com udp
US 8.8.8.8:53 m3600.com udp
US 8.8.8.8:53 camasirx.com udp
TR 89.107.229.40:80 camasirx.com tcp
US 8.8.8.8:53 50.163.64.3.in-addr.arpa udp
US 8.8.8.8:53 46.197.91.208.in-addr.arpa udp
US 8.8.8.8:53 40.229.107.89.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 45.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4696-1-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

memory/4696-2-0x0000000000400000-0x0000000000871000-memory.dmp

memory/4696-3-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/3364-4-0x0000000007B20000-0x0000000007B35000-memory.dmp

memory/4696-7-0x0000000000400000-0x0000000000871000-memory.dmp