Malware Analysis Report

2025-01-02 11:12

Sample ID 240307-h68rqagc8v
Target d24cdda4c1678e1e64c023e43cde4279.exe
SHA256 be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c
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

be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c

Threat Level: Known bad

The file d24cdda4c1678e1e64c023e43cde4279.exe 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

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-07 07:22

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-03-07 07:22

Reported

2024-03-07 07:24

Platform

win7-20240221-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.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\d24cdda4c1678e1e64c023e43cde4279.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe

"C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 kamsmad.com udp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp
CO 186.147.159.149:80 kamsmad.com tcp

Files

memory/1972-1-0x0000000002060000-0x0000000002160000-memory.dmp

memory/1972-2-0x0000000000230000-0x000000000023B000-memory.dmp

memory/1972-3-0x0000000000400000-0x0000000001F00000-memory.dmp

memory/1972-5-0x0000000000400000-0x0000000001F00000-memory.dmp

memory/1972-8-0x0000000000230000-0x000000000023B000-memory.dmp

memory/1196-4-0x00000000024F0000-0x0000000002506000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-07 07:22

Reported

2024-03-07 07:24

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.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\d24cdda4c1678e1e64c023e43cde4279.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe N/A

Suspicious use of UnmapMainImage

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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe

"C:\Users\Admin\AppData\Local\Temp\d24cdda4c1678e1e64c023e43cde4279.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.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 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 45.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 198.52.96.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 kamsmad.com udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
KR 183.100.39.16:80 kamsmad.com tcp
US 8.8.8.8:53 16.39.100.183.in-addr.arpa udp
KR 183.100.39.16:80 kamsmad.com tcp
KR 183.100.39.16:80 kamsmad.com tcp
KR 183.100.39.16:80 kamsmad.com tcp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
KR 183.100.39.16:80 kamsmad.com tcp
KR 183.100.39.16:80 kamsmad.com tcp
KR 183.100.39.16:80 kamsmad.com tcp
KR 183.100.39.16:80 kamsmad.com tcp
KR 183.100.39.16:80 kamsmad.com tcp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
KR 183.100.39.16:80 kamsmad.com tcp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 61.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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

Files

memory/3564-1-0x0000000002080000-0x0000000002180000-memory.dmp

memory/3564-2-0x0000000002060000-0x000000000206B000-memory.dmp

memory/3564-3-0x0000000000400000-0x0000000001F00000-memory.dmp

memory/3164-4-0x0000000002A30000-0x0000000002A46000-memory.dmp

memory/3564-5-0x0000000000400000-0x0000000001F00000-memory.dmp