Malware Analysis Report

2024-12-08 00:45

Sample ID 231219-1yfp3sdfcn
Target b072f5b7cc6ed2cb51be16161a7fc7cf
SHA256 f38bb50099bba856aec5d16aef5c465a67053a4a564191b61030eab0ef8cf94a
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

f38bb50099bba856aec5d16aef5c465a67053a4a564191b61030eab0ef8cf94a

Threat Level: Known bad

The file b072f5b7cc6ed2cb51be16161a7fc7cf 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

Suspicious use of UnmapMainImage

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 22:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-19 22:03

Reported

2023-12-20 07:17

Platform

win7-20231215-en

Max time kernel

150s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.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\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe

"C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.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/1992-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

memory/1992-2-0x00000000001B0000-0x00000000001B9000-memory.dmp

memory/1992-3-0x0000000000400000-0x00000000016C4000-memory.dmp

memory/1372-4-0x00000000025A0000-0x00000000025B5000-memory.dmp

memory/1992-5-0x0000000000400000-0x00000000016C4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 22:03

Reported

2023-12-20 07:17

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.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\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.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\b072f5b7cc6ed2cb51be16161a7fc7cf.exe

"C:\Users\Admin\AppData\Local\Temp\b072f5b7cc6ed2cb51be16161a7fc7cf.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2112 -ip 2112

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 368

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
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 5.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 gmpeople.com udp
DE 3.64.163.50:80 gmpeople.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
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 46.197.91.208.in-addr.arpa 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 40.229.107.89.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/2112-1-0x0000000001740000-0x0000000001840000-memory.dmp

memory/2112-2-0x0000000001720000-0x0000000001729000-memory.dmp

memory/2112-3-0x0000000000400000-0x00000000016C4000-memory.dmp

memory/3468-4-0x0000000002570000-0x0000000002585000-memory.dmp

memory/2112-7-0x0000000000400000-0x00000000016C4000-memory.dmp