Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
16/09/2023, 09:59
Static task
static1
Behavioral task
behavioral1
Sample
8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
Resource
win10v2004-20230915-en
General
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Target
8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
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Size
277KB
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MD5
84f0becc81f99c3ec4d3a1dad6529ed3
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SHA1
dae3c6c1d15789b447faaffbb7de3725b07efe0d
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SHA256
8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc
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SHA512
11d7f8e1613e4cc46425a5762a0ff697feeadfecf1f69cf1a20f5a2c60e741bc2a6b690ed6698eb56bbf0b3dd68567ce0a125a8963bd269151f409ca1a0e6907
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SSDEEP
3072:Ms10kPIoT4pQIw8upMpfznHCQxJDeC9hU62Sr33OzC2VxeNJKkW:5VPIokN9zH7TL3yqT
Malware Config
Extracted
smokeloader
pub1
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 3836 set thread context of 2064 3836 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 85 -
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 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2064 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 2064 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found 536 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 536 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2064 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 536 Process not Found Token: SeCreatePagefilePrivilege 536 Process not Found Token: SeShutdownPrivilege 536 Process not Found Token: SeCreatePagefilePrivilege 536 Process not Found Token: SeShutdownPrivilege 536 Process not Found Token: SeCreatePagefilePrivilege 536 Process not Found Token: SeShutdownPrivilege 536 Process not Found Token: SeCreatePagefilePrivilege 536 Process not Found Token: SeShutdownPrivilege 536 Process not Found Token: SeCreatePagefilePrivilege 536 Process not Found -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 536 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3836 wrote to memory of 2064 3836 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 85 PID 3836 wrote to memory of 2064 3836 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 85 PID 3836 wrote to memory of 2064 3836 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 85 PID 3836 wrote to memory of 2064 3836 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 85 PID 3836 wrote to memory of 2064 3836 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 85 PID 3836 wrote to memory of 2064 3836 8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe 85 -
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\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2064
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