Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
28/12/2022, 03:05
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 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
230KB
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MD5
17fd5507664795f06961da9b17c38d77
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SHA1
ac5b3a6a02e2f90370a365b215810c0aa0578cf8
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SHA256
1dc0bce733ec0d63a66bb5089e8ae109357f501ab3d65db266d3c12827a7fc4d
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SHA512
c6167264282ab18405e709d3bcfa633f48fd8724c2d3ba64ad8fe518d004ba6f3771aeba5ce18f538021dbfd7313199f6f42f87f5cb1adaa2a072393378cb055
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SSDEEP
3072:7EXqq9LR3oT5MsSFITMTzoIuwy9sQxISMNVQuKf6PtYKs/xAI9y:W9LR4WyIoIaReNVQuC61YDZ
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4072-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3368-135-0x0000000000520000-0x0000000000529000-memory.dmp family_smokeloader behavioral2/memory/4072-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4072-137-0x0000000000400000-0x0000000000409000-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 3368 set thread context of 4072 3368 file.exe 82 -
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 4072 file.exe 4072 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 4072 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 3368 wrote to memory of 4072 3368 file.exe 82 PID 3368 wrote to memory of 4072 3368 file.exe 82 PID 3368 wrote to memory of 4072 3368 file.exe 82 PID 3368 wrote to memory of 4072 3368 file.exe 82 PID 3368 wrote to memory of 4072 3368 file.exe 82 PID 3368 wrote to memory of 4072 3368 file.exe 82
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:3368 -
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:4072
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