Malware Analysis Report

2025-01-02 04:51

Sample ID 240421-h4e2madh95
Target febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118
SHA256 297fbe9e67e3b1bcc74cbd344e7f513e59f4b83c3d53fde32002eb592b859d14
Tags
smokeloader pub5 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

297fbe9e67e3b1bcc74cbd344e7f513e59f4b83c3d53fde32002eb592b859d14

Threat Level: Known bad

The file febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub5 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-21 07:17

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral2

Detonation Overview

Submitted

2024-04-21 07:17

Reported

2024-04-21 07:19

Platform

win10v2004-20240226-en

Max time kernel

154s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.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\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.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=3688 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 bostoc.com udp
US 8.8.8.8:53 qianyoupj.cn udp
US 8.8.8.8:53 sleoppen.com udp
US 8.8.8.8:53 stempelbeton.at udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/3520-1-0x0000000000580000-0x0000000000680000-memory.dmp

memory/3520-2-0x0000000000570000-0x0000000000579000-memory.dmp

memory/3520-3-0x0000000000400000-0x0000000000443000-memory.dmp

memory/3348-4-0x0000000000D30000-0x0000000000D46000-memory.dmp

memory/3520-5-0x0000000000400000-0x0000000000443000-memory.dmp

memory/3520-8-0x0000000000570000-0x0000000000579000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-21 07:17

Reported

2024-04-21 07:19

Platform

win7-20240221-en

Max time kernel

150s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.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\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\febd5a19dcc3c0d9139f209d0b198198_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 bostoc.com udp
US 8.8.8.8:53 qianyoupj.cn udp
US 8.8.8.8:53 sleoppen.com udp
US 8.8.8.8:53 stempelbeton.at udp

Files

memory/2764-1-0x0000000000560000-0x0000000000660000-memory.dmp

memory/2764-3-0x0000000000400000-0x0000000000443000-memory.dmp

memory/2764-2-0x0000000000020000-0x0000000000029000-memory.dmp

memory/1208-4-0x0000000001C70000-0x0000000001C86000-memory.dmp

memory/2764-7-0x0000000000400000-0x0000000000443000-memory.dmp