Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
10/02/2023, 20:51
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
win10v2004-20220812-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
6107575e1d9c56c520f4eb7077813ee6
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SHA1
d482fe265dea5d1f87f9c3511df3861727f9ca98
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SHA256
cf5585c64907307b1467d74edae81156428e714eccdd8095f90ed4364d59d681
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SHA512
e125689b4c114a6b512b180768ff4f2c691d61b2a222e409cc09abe3802cbb0c3926ff0a552c99abc6261df6b794013307b471060fc1985e8b17b04a4dbf24c9
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SSDEEP
3072:2r/rc4M0h55xdOGHccAWrDPMHlunt4kez5Lg9nf6NORR92UU7:wf9rOKHnMHlut4kIYnfWOR
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2620-135-0x0000000002200000-0x0000000002209000-memory.dmp family_smokeloader behavioral2/memory/4280-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4280-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4280-137-0x0000000000400000-0x0000000000409000-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 2620 set thread context of 4280 2620 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4280 file.exe 4280 file.exe 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 700 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4280 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2620 wrote to memory of 4280 2620 file.exe 81 PID 2620 wrote to memory of 4280 2620 file.exe 81 PID 2620 wrote to memory of 4280 2620 file.exe 81 PID 2620 wrote to memory of 4280 2620 file.exe 81 PID 2620 wrote to memory of 4280 2620 file.exe 81 PID 2620 wrote to memory of 4280 2620 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:2620 -
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:4280
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