Malware Analysis Report

2025-01-02 11:16

Sample ID 240312-y2jj2aac4s
Target 328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02
SHA256 328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02
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

328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02

Threat Level: Known bad

The file 328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02 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

2024-03-12 20:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-12 20:16

Reported

2024-03-12 20:19

Platform

win7-20240221-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.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\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe

"C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 nidoe.org udp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp
MX 201.119.130.107:80 nidoe.org tcp

Files

memory/2220-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

memory/2220-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2220-3-0x0000000000400000-0x0000000000474000-memory.dmp

memory/2220-5-0x0000000000400000-0x0000000000474000-memory.dmp

memory/1368-4-0x0000000002610000-0x0000000002626000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-12 20:16

Reported

2024-03-12 20:19

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.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\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe 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\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe

"C:\Users\Admin\AppData\Local\Temp\328654bc061339093ca03f88fae6a4433d8e8532c8d9dbe5e5a5b9972714ec02.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3928 --field-trial-handle=2232,i,11267738607351977302,107266978269557304,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 9.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 nidoe.org udp
KR 211.181.24.132:80 nidoe.org tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
KR 211.181.24.132:80 nidoe.org tcp
US 8.8.8.8:53 132.24.181.211.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
KR 211.181.24.132:80 nidoe.org tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
KR 211.181.24.132:80 nidoe.org tcp
KR 211.181.24.132:80 nidoe.org tcp
KR 211.181.24.132:80 nidoe.org tcp
KR 211.181.24.132:80 nidoe.org tcp
KR 211.181.24.132:80 nidoe.org tcp
KR 211.181.24.132:80 nidoe.org tcp
KR 211.181.24.132:80 nidoe.org tcp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/2768-1-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2768-2-0x00000000005E0000-0x00000000005EB000-memory.dmp

memory/2768-3-0x0000000000400000-0x0000000000474000-memory.dmp

memory/3412-4-0x0000000002570000-0x0000000002586000-memory.dmp

memory/2768-5-0x0000000000400000-0x0000000000474000-memory.dmp