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Analysis
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max time kernel
150s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
16/09/2022, 14:46
Static task
static1
Behavioral task
behavioral1
Sample
639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe
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Size
301KB
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MD5
6b7840b6460fd7a0c1f3e61d58831b1b
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SHA1
162fed2da33ceabd0040e69b593d6c1de1dd9e78
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SHA256
639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3
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SHA512
452520ab9ca4cadef5df4898fc7d8cf5f05f4495965116bb4b8e0867f3c07103e6858bb7bf32d8380b26273c0b1068862a463b9247413ef62267ea152a8f205a
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SSDEEP
6144:TYYOOLzavhyWHOvkdg6QS0oSsnigabwVf:TIOLz8JuQgT8i
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4040-133-0x0000000002180000-0x0000000002189000-memory.dmp family_smokeloader behavioral1/memory/1792-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1792-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1792-138-0x0000000000400000-0x0000000000409000-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 4040 set thread context of 1792 4040 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1792 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe 1792 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3020 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1792 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4040 wrote to memory of 1792 4040 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe 80 PID 4040 wrote to memory of 1792 4040 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe 80 PID 4040 wrote to memory of 1792 4040 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe 80 PID 4040 wrote to memory of 1792 4040 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe 80 PID 4040 wrote to memory of 1792 4040 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe 80 PID 4040 wrote to memory of 1792 4040 639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe"C:\Users\Admin\AppData\Local\Temp\639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Users\Admin\AppData\Local\Temp\639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe"C:\Users\Admin\AppData\Local\Temp\639008f46dff150a118351b3aaffc90e8f448c69d7f9e3f642e3b7b293d0f9d3.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1792
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