Malware Analysis Report

2025-08-10 17:40

Sample ID 230916-kavakahd3s
Target b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343
SHA256 b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343
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 Overview

score
10/10

SHA256

b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343

Threat Level: Known bad

The file b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Uses Task Scheduler COM API

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-16 08:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-16 08:24

Reported

2023-09-16 08:26

Platform

win10-20230915-en

Max time kernel

150s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.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\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.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\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.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 WriteProcessMemory

Description Indicator Process Target
PID 4108 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe
PID 4108 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe
PID 4108 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe
PID 4108 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe
PID 4108 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe
PID 4108 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe

"C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe"

C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe

"C:\Users\Admin\AppData\Local\Temp\b930bea93919502dfcb97914d628d62939268fdb6caa35de86b88c19f24e2343.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 host-file-host6.com udp
US 8.8.8.8:53 host-host-file8.com udp
NL 194.169.175.127:80 host-host-file8.com tcp
US 8.8.8.8:53 127.175.169.194.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp

Files

memory/4108-1-0x0000000000A10000-0x0000000000B10000-memory.dmp

memory/2412-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2412-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4108-3-0x0000000000960000-0x0000000000969000-memory.dmp

memory/2412-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3244-5-0x00000000011B0000-0x00000000011C6000-memory.dmp

memory/3244-15-0x00000000011D0000-0x00000000011E0000-memory.dmp

memory/3244-16-0x00000000011D0000-0x00000000011E0000-memory.dmp

memory/3244-18-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-20-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-21-0x0000000002FC0000-0x0000000002FD0000-memory.dmp

memory/3244-23-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-24-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-26-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-28-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-30-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-32-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-34-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-27-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-35-0x0000000001180000-0x0000000001190000-memory.dmp

memory/3244-37-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-38-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-39-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-41-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-43-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-45-0x0000000002FC0000-0x0000000002FD0000-memory.dmp

memory/3244-44-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-47-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-48-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-50-0x0000000001180000-0x0000000001190000-memory.dmp

memory/3244-52-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-54-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-53-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-57-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-59-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-55-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-60-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-61-0x00000000011D0000-0x00000000011E0000-memory.dmp

memory/3244-62-0x00000000011D0000-0x00000000011E0000-memory.dmp

memory/3244-63-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-65-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-66-0x0000000001270000-0x0000000001280000-memory.dmp

memory/3244-68-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-69-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-70-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-71-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-72-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-74-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-76-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-77-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-79-0x0000000001270000-0x0000000001280000-memory.dmp

memory/3244-81-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-83-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-84-0x0000000001270000-0x0000000001280000-memory.dmp

memory/3244-86-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-88-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-90-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-94-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-92-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-95-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-97-0x0000000001270000-0x0000000001280000-memory.dmp

memory/3244-99-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-101-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-100-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-102-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-104-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-106-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-107-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-108-0x00000000011D0000-0x00000000011E0000-memory.dmp

memory/3244-109-0x00000000011D0000-0x00000000011E0000-memory.dmp

memory/3244-110-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-112-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-113-0x0000000001270000-0x0000000001280000-memory.dmp

memory/3244-115-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-116-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-117-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-118-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-121-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-119-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-123-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-124-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-126-0x0000000001270000-0x0000000001280000-memory.dmp

memory/3244-128-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-130-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-131-0x0000000001270000-0x0000000001280000-memory.dmp

memory/3244-133-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-135-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-137-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-139-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-141-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-142-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-144-0x0000000001270000-0x0000000001280000-memory.dmp

memory/3244-146-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-148-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-147-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-150-0x0000000001280000-0x0000000001290000-memory.dmp

memory/3244-152-0x0000000001280000-0x0000000001290000-memory.dmp