Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
05/02/2023, 21:46
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
283KB
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MD5
278971293a0295eff6c93e4d603d0cf5
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SHA1
56d51073b6536dbae718dda98a01e82f1209cbe4
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SHA256
8c49add21cc25b41746494f22c25954047d3bd4fccb74891b92c343570c99449
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SHA512
5fc86248f58453f13d3efb8040ced124cc33735549e762c7fbbd64e141e13cd9a35b170a370c9d8f70add584a3cdcd5e08e851845a430068fd1cd4434567ad07
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SSDEEP
3072:yWa7OmupfeZehdLTNP85W9v+J5/tOkbuhYk3P/nuc3CNI4wXb92s:Ta7NNsLTdQ1hOz//uc3yI4wh
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4396-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1028-135-0x0000000000610000-0x0000000000619000-memory.dmp family_smokeloader behavioral2/memory/4396-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4396-137-0x0000000000400000-0x0000000000409000-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 1028 set thread context of 4396 1028 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4396 file.exe 4396 file.exe 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 760 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4396 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1028 wrote to memory of 4396 1028 file.exe 81 PID 1028 wrote to memory of 4396 1028 file.exe 81 PID 1028 wrote to memory of 4396 1028 file.exe 81 PID 1028 wrote to memory of 4396 1028 file.exe 81 PID 1028 wrote to memory of 4396 1028 file.exe 81 PID 1028 wrote to memory of 4396 1028 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:1028 -
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:4396
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