Malware Analysis Report

2025-01-02 11:07

Sample ID 240315-lqreaafd29
Target b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42
SHA256 b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42
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

b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42

Threat Level: Known bad

The file b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-15 09:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-15 09:44

Reported

2024-03-15 09:47

Platform

win7-20240221-en

Max time kernel

150s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe

"C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 nidoe.org udp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp
SA 143.92.142.215:80 nidoe.org tcp

Files

memory/2152-1-0x0000000000610000-0x0000000000710000-memory.dmp

memory/2152-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2152-3-0x0000000000400000-0x0000000000474000-memory.dmp

memory/2152-5-0x0000000000400000-0x0000000000474000-memory.dmp

memory/1216-4-0x0000000002AF0000-0x0000000002B06000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-15 09:44

Reported

2024-03-15 09:47

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.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\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.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\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.exe

"C:\Users\Admin\AppData\Local\Temp\b34504c7ee02896e3671111990554b5928c4d62aac6f8b3a8d8f681eb9365a42.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=4068 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 nidoe.org udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
CO 186.147.159.149:80 nidoe.org tcp
US 8.8.8.8:53 45.56.20.217.in-addr.arpa udp
CO 186.147.159.149:80 nidoe.org tcp
CO 186.147.159.149:80 nidoe.org tcp
US 8.8.8.8:53 149.159.147.186.in-addr.arpa udp
CO 186.147.159.149:80 nidoe.org tcp
CO 186.147.159.149:80 nidoe.org tcp
CO 186.147.159.149:80 nidoe.org tcp
CO 186.147.159.149:80 nidoe.org tcp
CO 186.147.159.149:80 nidoe.org tcp
CO 186.147.159.149:80 nidoe.org tcp
CO 186.147.159.149:80 nidoe.org tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.187.202:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 202.187.250.142.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
US 8.8.8.8:53 23.173.189.20.in-addr.arpa udp

Files

memory/1480-1-0x0000000000770000-0x0000000000870000-memory.dmp

memory/1480-2-0x0000000000720000-0x000000000072B000-memory.dmp

memory/1480-3-0x0000000000400000-0x0000000000474000-memory.dmp

memory/1480-4-0x0000000000400000-0x0000000000474000-memory.dmp

memory/3356-5-0x0000000003290000-0x00000000032A6000-memory.dmp

memory/1480-6-0x0000000000400000-0x0000000000474000-memory.dmp

memory/1480-9-0x0000000000720000-0x000000000072B000-memory.dmp