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Analysis
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max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2023, 17:30
Static task
static1
Behavioral task
behavioral1
Sample
d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe
Resource
win10v2004-20230221-en
General
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Target
d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe
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Size
291KB
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MD5
2f418c25c97b329fb8d04fce58bae98c
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SHA1
58975f876c072ed9bc5cfc7f761ff562aa081968
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SHA256
d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe
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SHA512
9c9e113b73f46c9adc450aaa278ca0cd6e02e8cc873b4beedc3fb3d3024b8b11a747aad10bda913660765e8a3948acca1562544651b22de73247997e2a249693
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SSDEEP
3072:YD7H8XdLkXJ9pk5vKXMBK+jr0cWh7ALXYw70Kw8JXQdqr5nbrBJh8:xXdLkX/K5ycBK+kTVAsww3q59vbh
Malware Config
Extracted
smokeloader
lab
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2624 set thread context of 3728 2624 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 84 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3728 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 3728 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3128 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3728 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2624 wrote to memory of 3728 2624 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 84 PID 2624 wrote to memory of 3728 2624 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 84 PID 2624 wrote to memory of 3728 2624 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 84 PID 2624 wrote to memory of 3728 2624 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 84 PID 2624 wrote to memory of 3728 2624 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 84 PID 2624 wrote to memory of 3728 2624 d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe 84 -
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\d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe"C:\Users\Admin\AppData\Local\Temp\d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Users\Admin\AppData\Local\Temp\d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe"C:\Users\Admin\AppData\Local\Temp\d03171dc963ea9b515df71085f3a713ab9870a2eeacf5f0edd92c351f5f53fbe.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3728
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