Analysis
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max time kernel
152s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
11/02/2023, 01:30
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
386KB
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MD5
3d0fb1c31cb7a9d02ce5098d1d49dfd1
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SHA1
ecd81cae9680334062d411fdfcaf5d9105e22240
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SHA256
ee7b05d06967aae4aa932d303daf13ba37fd92684172985f3e15330b0f24e010
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SHA512
6cfeaaed10015777bac40d533a8306495ee1394533e1c54f9c5e91535bb977bfd386aed434721c30c30e4e550a7c29dfe8121d1bc56834fded42af1ec6a74e48
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SSDEEP
3072:XlMvYUzdGwr5xEam/DLlDn8fsE1fuc2rQ3d93hPM8qRi0Qo7sTmZ3DZymp5YRZUr:1+d1aDLYXfuyfRMdkTiZt5D
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4156-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1288-135-0x0000000002210000-0x0000000002219000-memory.dmp family_smokeloader behavioral2/memory/4156-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4156-137-0x0000000000400000-0x0000000000409000-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 1288 set thread context of 4156 1288 file.exe 80 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4156 file.exe 4156 file.exe 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 740 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4156 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1288 wrote to memory of 4156 1288 file.exe 80 PID 1288 wrote to memory of 4156 1288 file.exe 80 PID 1288 wrote to memory of 4156 1288 file.exe 80 PID 1288 wrote to memory of 4156 1288 file.exe 80 PID 1288 wrote to memory of 4156 1288 file.exe 80 PID 1288 wrote to memory of 4156 1288 file.exe 80
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:1288 -
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:4156
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