Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
02/01/2023, 13:27
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
9 signatures
150 seconds
General
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Target
file.exe
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Size
211KB
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MD5
fa853d87a17954bf9f90051ffba6d7fb
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SHA1
40e3caf82a972c54cc5f25ada7546aee62898080
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SHA256
763f76be23bfa18b3941537cf377f8aca84a87ac0894e1980b48ac0107a53efb
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SHA512
8356455ea602d0828b49dc332da69897984154ede4d166d808e6250f245bbd3cee276bbed23eceb192c73a95ec0f0aa1b3c6f91bba14ca3c43d2d00ba1f9089e
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SSDEEP
3072:iDXcFafqLsNoHAbv5cgKCcrbJvSQX+rvEQql4L+gzSc+RuIdpj0W6:+LCLPYvKnnoQX+7EQqlccRzK
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4732-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4624-135-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/4732-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4732-137-0x0000000000400000-0x0000000000409000-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 4624 set thread context of 4732 4624 file.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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4732 file.exe 4732 file.exe 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2764 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4732 file.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2764 Process not Found Token: SeCreatePagefilePrivilege 2764 Process not Found Token: SeShutdownPrivilege 2764 Process not Found Token: SeCreatePagefilePrivilege 2764 Process not Found Token: SeShutdownPrivilege 2764 Process not Found Token: SeCreatePagefilePrivilege 2764 Process not Found Token: SeShutdownPrivilege 2764 Process not Found Token: SeCreatePagefilePrivilege 2764 Process not Found Token: SeShutdownPrivilege 2764 Process not Found Token: SeCreatePagefilePrivilege 2764 Process not Found Token: SeShutdownPrivilege 2764 Process not Found Token: SeCreatePagefilePrivilege 2764 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4624 wrote to memory of 4732 4624 file.exe 85 PID 4624 wrote to memory of 4732 4624 file.exe 85 PID 4624 wrote to memory of 4732 4624 file.exe 85 PID 4624 wrote to memory of 4732 4624 file.exe 85 PID 4624 wrote to memory of 4732 4624 file.exe 85 PID 4624 wrote to memory of 4732 4624 file.exe 85
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:4624 -
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:4732
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