Malware Analysis Report

2025-01-02 11:07

Sample ID 240315-cv27xaec4t
Target 1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50
SHA256 1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50
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

1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50

Threat Level: Known bad

The file 1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50 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

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-15 02:24

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-03-15 02:24

Reported

2024-03-15 02:25

Platform

win7-20240221-en

Max time kernel

31s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.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\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe

"C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 trad-einmyus.com udp

Files

memory/2920-1-0x0000000000880000-0x0000000000980000-memory.dmp

memory/2920-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2920-3-0x0000000000400000-0x0000000000720000-memory.dmp

memory/1232-4-0x0000000002A50000-0x0000000002A66000-memory.dmp

memory/2920-5-0x0000000000400000-0x0000000000720000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-15 02:24

Reported

2024-03-15 02:25

Platform

win10v2004-20240226-en

Max time kernel

33s

Max time network

37s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.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\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe

"C:\Users\Admin\AppData\Local\Temp\1a822ecc24ca2035c45a8b2cc33fb103a499978ba75a81d8ec5c3ac599e91e50.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
GB 172.217.169.74:443 tcp
US 8.8.8.8:53 trad-einmyus.com udp
US 8.8.8.8:53 udp
N/A 13.107.253.64:443 tcp

Files

memory/2472-1-0x0000000000A70000-0x0000000000B70000-memory.dmp

memory/2472-2-0x00000000009C0000-0x00000000009CB000-memory.dmp

memory/2472-3-0x0000000000400000-0x0000000000720000-memory.dmp

memory/3372-4-0x0000000001280000-0x0000000001296000-memory.dmp

memory/2472-5-0x0000000000400000-0x0000000000720000-memory.dmp

memory/2472-8-0x00000000009C0000-0x00000000009CB000-memory.dmp