Malware Analysis Report

2025-01-02 11:12

Sample ID 240313-hmsamafc2w
Target c53f5ca1fc3606b4412ca6bb5cf4b14c
SHA256 863842faf56e4baa908875007919fae85b968d574453a72ccea51ef0c7b97342
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

863842faf56e4baa908875007919fae85b968d574453a72ccea51ef0c7b97342

Threat Level: Known bad

The file c53f5ca1fc3606b4412ca6bb5cf4b14c was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious behavior: MapViewOfSection

Uses Task Scheduler COM API

Suspicious use of UnmapMainImage

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-13 06:51

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-03-13 06:51

Reported

2024-03-13 06:54

Platform

win7-20240221-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.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\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe

"C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp

Files

memory/2212-1-0x0000000002490000-0x0000000002590000-memory.dmp

memory/2212-2-0x0000000000020000-0x0000000000029000-memory.dmp

memory/2212-3-0x0000000000400000-0x00000000023B1000-memory.dmp

memory/1260-4-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

memory/2212-5-0x0000000000400000-0x00000000023B1000-memory.dmp

memory/2212-8-0x0000000000020000-0x0000000000029000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-13 06:51

Reported

2024-03-13 06:54

Platform

win10v2004-20240226-en

Max time kernel

153s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.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\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.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\c53f5ca1fc3606b4412ca6bb5cf4b14c.exe

"C:\Users\Admin\AppData\Local\Temp\c53f5ca1fc3606b4412ca6bb5cf4b14c.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=3488 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.205.248.87.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 13.107.253.67:443 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/3812-1-0x0000000002670000-0x0000000002770000-memory.dmp

memory/3812-2-0x0000000000400000-0x00000000023B1000-memory.dmp

memory/3812-3-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/3240-4-0x0000000002DD0000-0x0000000002DE6000-memory.dmp

memory/3812-5-0x0000000000400000-0x00000000023B1000-memory.dmp