Analysis
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max time kernel
151s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2023 02:25
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
file.exe
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Size
320KB
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MD5
a8b0effe59e133287ef8944c22880f17
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SHA1
6b53001b379fd856531ecc37dd50c27e90706053
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SHA256
554fb01a4506f3b715a49df430bafce15e7eeec34519f50d15322b619c71a488
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SHA512
ac347936829546f5515df010da873c8e3d49bba26c842432ff803bb1734eaf22d9f5da1666b05e22ca3e8c777ba1b49e1d6ada4beceb8c12394b62043687225a
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SSDEEP
3072:FXOiNDq+/tXvRVW5OlActVqCXD+9adXkiYCjHt3lnspk2+dF8M/WhJsheNEsBKmT:Bp5LVxlAILX/HYCz5lnsGdO6WIZg
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4432-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2700-135-0x0000000000610000-0x0000000000619000-memory.dmp family_smokeloader behavioral2/memory/4432-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4432-137-0x0000000000400000-0x0000000000409000-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 2700 set thread context of 4432 2700 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 -
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\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4432 file.exe 4432 file.exe 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 964 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4432 file.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 964 Process not Found Token: SeCreatePagefilePrivilege 964 Process not Found Token: SeShutdownPrivilege 964 Process not Found Token: SeCreatePagefilePrivilege 964 Process not Found Token: SeShutdownPrivilege 964 Process not Found Token: SeCreatePagefilePrivilege 964 Process not Found Token: SeShutdownPrivilege 964 Process not Found Token: SeCreatePagefilePrivilege 964 Process not Found Token: SeShutdownPrivilege 964 Process not Found Token: SeCreatePagefilePrivilege 964 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 964 Process not Found 964 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2700 wrote to memory of 4432 2700 file.exe 85 PID 2700 wrote to memory of 4432 2700 file.exe 85 PID 2700 wrote to memory of 4432 2700 file.exe 85 PID 2700 wrote to memory of 4432 2700 file.exe 85 PID 2700 wrote to memory of 4432 2700 file.exe 85 PID 2700 wrote to memory of 4432 2700 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:2700 -
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:4432
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