Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
11/01/2023, 07:52
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
11 signatures
150 seconds
General
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Target
file.exe
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Size
327KB
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MD5
cfa16d5a3c84c4e69e2bfe5c54fe2845
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SHA1
0110c4e94dcae3978b0c5cb1985aea36e13c4548
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SHA256
75b7829607ad1d52fe51418f8445c49cd976f65c8ddef2b6587b3f02ac6d63aa
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SHA512
34982482fc8066fb5382f028150343419ed3b0ff4838cfe8149d6623c02005ccd4bacc06db0726e31ef4ef13b49e1d4b716cc675a2a5004fc013c3473a27a855
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SSDEEP
3072:kX3Xcvh2dX5tA5VCflEqL00wwCDH5UtLcTO5yyDqVkFxDPkeyH4C9KEc:gHY2TtMglE/0O5UtL75yyDqCFZG9
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2024-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4988-135-0x00000000006F0000-0x00000000006F9000-memory.dmp family_smokeloader behavioral2/memory/2024-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2024-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4988 set thread context of 2024 4988 file.exe 81 -
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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2024 file.exe 2024 file.exe 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3068 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2024 file.exe -
Suspicious use of AdjustPrivilegeToken 30 IoCs
description pid Process Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found Token: SeShutdownPrivilege 3068 Process not Found Token: SeCreatePagefilePrivilege 3068 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3068 Process not Found 3068 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4988 wrote to memory of 2024 4988 file.exe 81 PID 4988 wrote to memory of 2024 4988 file.exe 81 PID 4988 wrote to memory of 2024 4988 file.exe 81 PID 4988 wrote to memory of 2024 4988 file.exe 81 PID 4988 wrote to memory of 2024 4988 file.exe 81 PID 4988 wrote to memory of 2024 4988 file.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2024
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