Malware Analysis Report

2025-01-02 11:07

Sample ID 240313-1wzeeaac8t
Target a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a
SHA256 a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a
Tags
smokeloader pub1 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

a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a

Threat Level: Known bad

The file a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-13 22:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-13 22:00

Reported

2024-03-13 22:03

Platform

win7-20240221-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.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\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe

"C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 nidoe.org udp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp
PA 190.218.35.32:80 nidoe.org tcp

Files

memory/2120-1-0x0000000001B90000-0x0000000001C90000-memory.dmp

memory/2120-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2120-3-0x0000000000400000-0x0000000001A33000-memory.dmp

memory/1392-4-0x00000000025F0000-0x0000000002606000-memory.dmp

memory/2120-5-0x0000000000400000-0x0000000001A33000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-13 22:00

Reported

2024-03-13 22:03

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.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\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe 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\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe

"C:\Users\Admin\AppData\Local\Temp\a43cb96bbf5491221f2af624a9158ed262fc47d548d41a8f59c50e91c921e69a.exe"

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 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 61.179.17.96.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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 nidoe.org udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
KR 211.53.230.67:80 nidoe.org tcp
KR 211.53.230.67:80 nidoe.org tcp
US 8.8.8.8:53 67.230.53.211.in-addr.arpa udp
KR 211.53.230.67:80 nidoe.org tcp
KR 211.53.230.67:80 nidoe.org tcp
KR 211.53.230.67:80 nidoe.org tcp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 55.179.17.96.in-addr.arpa udp
KR 211.53.230.67:80 nidoe.org tcp
US 8.8.8.8:53 11.134.221.88.in-addr.arpa udp
KR 211.53.230.67:80 nidoe.org tcp
KR 211.53.230.67:80 nidoe.org tcp
KR 211.53.230.67:80 nidoe.org tcp
KR 211.53.230.67:80 nidoe.org tcp
KR 211.53.230.67:80 nidoe.org tcp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 68.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 67.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 137.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/4048-1-0x0000000001B90000-0x0000000001C90000-memory.dmp

memory/4048-2-0x0000000003780000-0x000000000378B000-memory.dmp

memory/4048-3-0x0000000000400000-0x0000000001A33000-memory.dmp

memory/3576-4-0x0000000002470000-0x0000000002486000-memory.dmp

memory/4048-5-0x0000000000400000-0x0000000001A33000-memory.dmp