Malware Analysis Report

2025-08-06 03:42

Sample ID 230922-hpcmysgc26
Target bf6863460cf38b67423d10b9f51c4751.bin
SHA256 31e54f46b20976c9779d4fde6282ec9fc581b50646a802a517e827c5e7a6aebb
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

31e54f46b20976c9779d4fde6282ec9fc581b50646a802a517e827c5e7a6aebb

Threat Level: Known bad

The file bf6863460cf38b67423d10b9f51c4751.bin was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-22 06:54

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2023-09-22 06:54

Reported

2023-09-22 06:56

Platform

win7-20230831-en

Max time kernel

150s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A
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Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe

"C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gudintas.at udp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp
MX 189.232.123.108:80 gudintas.at tcp

Files

memory/2376-0-0x0000000000220000-0x0000000000235000-memory.dmp

memory/2376-1-0x0000000000240000-0x0000000000249000-memory.dmp

memory/2376-2-0x0000000000400000-0x00000000005A6000-memory.dmp

memory/2376-4-0x0000000000400000-0x00000000005A6000-memory.dmp

memory/1224-3-0x0000000002A00000-0x0000000002A16000-memory.dmp

memory/2376-8-0x0000000000220000-0x0000000000235000-memory.dmp

memory/2376-7-0x0000000000240000-0x0000000000249000-memory.dmp

memory/1224-12-0x000007FEF5720000-0x000007FEF5863000-memory.dmp

memory/1224-13-0x000007FE86BE0000-0x000007FE86BEA000-memory.dmp

memory/1224-14-0x000007FEF5720000-0x000007FEF5863000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-22 06:54

Reported

2023-09-22 06:56

Platform

win10v2004-20230915-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe N/A
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Suspicious behavior: GetForegroundWindowSpam

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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe

"C:\Users\Admin\AppData\Local\Temp\bf6863460cf38b67423d10b9f51c4751.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.159.190.20.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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 gudintas.at udp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
US 8.8.8.8:53 240.76.197.181.in-addr.arpa udp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
PA 181.197.76.240:80 gudintas.at tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp

Files

memory/4728-0-0x00000000022F0000-0x0000000002305000-memory.dmp

memory/4728-1-0x0000000002310000-0x0000000002319000-memory.dmp

memory/4728-2-0x0000000000400000-0x00000000005A6000-memory.dmp

memory/4728-4-0x0000000000400000-0x00000000005A6000-memory.dmp

memory/3180-3-0x0000000002E90000-0x0000000002EA6000-memory.dmp

memory/4728-7-0x00000000022F0000-0x0000000002305000-memory.dmp

memory/4728-8-0x0000000002310000-0x0000000002319000-memory.dmp

memory/3180-12-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-13-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-14-0x0000000008430000-0x0000000008440000-memory.dmp

memory/3180-15-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-16-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-17-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-18-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-19-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-21-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-23-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-24-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-25-0x00000000089F0000-0x0000000008A00000-memory.dmp

memory/3180-26-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-27-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-29-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-28-0x00000000089F0000-0x0000000008A00000-memory.dmp

memory/3180-32-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-31-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-33-0x0000000008430000-0x0000000008440000-memory.dmp

memory/3180-35-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-37-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-38-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-41-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-42-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-43-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-40-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-44-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-46-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-45-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-47-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-48-0x00000000089F0000-0x0000000008A00000-memory.dmp

memory/3180-49-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-50-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-52-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-51-0x0000000002D30000-0x0000000002D40000-memory.dmp

memory/3180-53-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-54-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-55-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-56-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-58-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-60-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-61-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-62-0x0000000002D40000-0x0000000002D50000-memory.dmp

memory/3180-63-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-64-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-65-0x0000000002D40000-0x0000000002D50000-memory.dmp

memory/3180-66-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-68-0x0000000002D30000-0x0000000002D40000-memory.dmp

memory/3180-67-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-72-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-71-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-70-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-74-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-75-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-77-0x0000000002D40000-0x0000000002D50000-memory.dmp

memory/3180-76-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-80-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-79-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-78-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-81-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-83-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-84-0x0000000008420000-0x0000000008430000-memory.dmp

memory/3180-85-0x0000000002D40000-0x0000000002D50000-memory.dmp