Malware Analysis Report

2025-01-02 11:08

Sample ID 240308-c1drhaeb3s
Target be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.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 be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-08 02:32

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-03-08 02:32

Reported

2024-03-08 02:34

Platform

win7-20240221-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.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\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe

"C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 kamsmad.com udp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp
KR 175.119.10.231:80 kamsmad.com tcp

Files

memory/1692-1-0x0000000001FE0000-0x00000000020E0000-memory.dmp

memory/1692-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/1692-3-0x0000000000400000-0x0000000001F00000-memory.dmp

memory/1232-4-0x0000000002140000-0x0000000002156000-memory.dmp

memory/1692-5-0x0000000000400000-0x0000000001F00000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-08 02:32

Reported

2024-03-08 02:34

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.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\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe

"C:\Users\Admin\AppData\Local\Temp\be5ce235a69b87bbd080436bb83c7a502a53a0f18b2e1e158f6ae027a98abe8c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 kamsmad.com udp
MX 187.209.127.200:80 kamsmad.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
MX 187.209.127.200:80 kamsmad.com tcp
US 8.8.8.8:53 200.127.209.187.in-addr.arpa udp
MX 187.209.127.200:80 kamsmad.com tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
MX 187.209.127.200:80 kamsmad.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com 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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com tcp
MX 187.209.127.200:80 kamsmad.com tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/3536-1-0x0000000001F70000-0x0000000002070000-memory.dmp

memory/3536-2-0x0000000001F50000-0x0000000001F5B000-memory.dmp

memory/3536-3-0x0000000000400000-0x0000000001F00000-memory.dmp

memory/3356-4-0x0000000002B70000-0x0000000002B86000-memory.dmp

memory/3536-5-0x0000000000400000-0x0000000001F00000-memory.dmp

memory/3536-8-0x0000000001F50000-0x0000000001F5B000-memory.dmp