Analysis
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max time kernel
316s -
max time network
323s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
03-11-2023 05:09
Static task
static1
Behavioral task
behavioral1
Sample
toolspub2.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
toolspub2.exe
Resource
win10-20231023-en
General
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Target
toolspub2.exe
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Size
239KB
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MD5
cbc7a8ce71264b2c2c8568fd6ff6d93d
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SHA1
16e53a3a1789b42dce33e1fb9d5b6476cc76dcf5
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SHA256
10b9e6d04ea861b41718bc6ec5822e33500c7008c9f00c8c75d429d340068fc0
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SHA512
c1a7040de751719d8dc335cca8d7c34411898d5b0c321668abdd059862dd566b4b58bdb9f997407d09dd7f7fb3a21a5061b4c1e4e45b57e7dccde6a7cc29759e
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SSDEEP
3072:hXoqYIYUyxP93YXNE4SnAeukX7B1opLnzBoB+0PTjmV:looYUyxmXNbSAHhVzBpKj
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 3292 Process not Found -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2948 set thread context of 896 2948 toolspub2.exe 71 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI toolspub2.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI toolspub2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI toolspub2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 896 toolspub2.exe 896 toolspub2.exe 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found 3292 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3292 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 896 toolspub2.exe -
Suspicious use of AdjustPrivilegeToken 34 IoCs
description pid Process Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found Token: SeShutdownPrivilege 3292 Process not Found Token: SeCreatePagefilePrivilege 3292 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2948 wrote to memory of 896 2948 toolspub2.exe 71 PID 2948 wrote to memory of 896 2948 toolspub2.exe 71 PID 2948 wrote to memory of 896 2948 toolspub2.exe 71 PID 2948 wrote to memory of 896 2948 toolspub2.exe 71 PID 2948 wrote to memory of 896 2948 toolspub2.exe 71 PID 2948 wrote to memory of 896 2948 toolspub2.exe 71 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:896
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