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Analysis
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max time kernel
151s -
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
18/12/2022, 07:44
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
214KB
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MD5
2f8da6a65afff7d1bf49fdd7a7603fa7
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SHA1
2c049d037a674270cee49437ad6df7b18af617b0
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SHA256
c7c324ef2a321b2b7bf4d41e2dc85cfe0554db00acd9432cfc953bcca3622c54
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SHA512
f2d6ade705c03d42e53c9ad23950e0c0b1b2f2417e73d7df042dc4250fa9ae09a11d3718392b79e9eb289684a879ebe56fbb67661e99d7de5b87f97764bde893
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SSDEEP
6144:ACjS1LLU2Jedzl1mBYNPJgGIx1g3COee+U0VB:ACjOPXJe6YlqG7SOeefO
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1268-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4760-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/1268-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1268-137-0x0000000000400000-0x0000000000409000-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 4760 set thread context of 1268 4760 file.exe 84 -
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-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1268 file.exe 1268 file.exe 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found 2632 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2632 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1268 file.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 2632 Process not Found Token: SeCreatePagefilePrivilege 2632 Process not Found Token: SeShutdownPrivilege 2632 Process not Found Token: SeCreatePagefilePrivilege 2632 Process not Found Token: SeShutdownPrivilege 2632 Process not Found Token: SeCreatePagefilePrivilege 2632 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2632 Process not Found 2632 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4760 wrote to memory of 1268 4760 file.exe 84 PID 4760 wrote to memory of 1268 4760 file.exe 84 PID 4760 wrote to memory of 1268 4760 file.exe 84 PID 4760 wrote to memory of 1268 4760 file.exe 84 PID 4760 wrote to memory of 1268 4760 file.exe 84 PID 4760 wrote to memory of 1268 4760 file.exe 84
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:4760 -
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:1268
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