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Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
14/09/2022, 00:34
Static task
static1
Behavioral task
behavioral1
Sample
3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe
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Size
250KB
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MD5
46ae77b245f05ef738fbbb79eb34af08
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SHA1
db4969e9596e285bc88ddcb068876413af685bdd
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SHA256
3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e
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SHA512
5261420741c2f1f0f0a5ab91b08fe391e544bf067e1d93f706d55df4bd214aea4da0820371316c06920a60bda69709fdaeeb0784a03d9aa8f052c0f64ea5cbb6
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SSDEEP
6144:Bm2/J0NoXFVsJFXzY/Gt/3J8wIrkj/J4vfNm:Q40OXFVsJFXoGtx8wIQzJIf
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4788-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2132-135-0x0000000000710000-0x0000000000719000-memory.dmp family_smokeloader behavioral1/memory/4788-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4788-137-0x0000000000400000-0x0000000000409000-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 2132 set thread context of 4788 2132 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 85 -
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 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4788 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 4788 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2596 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4788 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2596 Process not Found 2596 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2132 wrote to memory of 4788 2132 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 85 PID 2132 wrote to memory of 4788 2132 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 85 PID 2132 wrote to memory of 4788 2132 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 85 PID 2132 wrote to memory of 4788 2132 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 85 PID 2132 wrote to memory of 4788 2132 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 85 PID 2132 wrote to memory of 4788 2132 3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe"C:\Users\Admin\AppData\Local\Temp\3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Users\Admin\AppData\Local\Temp\3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe"C:\Users\Admin\AppData\Local\Temp\3663d85dd88e9aa646eb690baec42a41a6e280eafe783c0a0418faea0a1eb38e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4788
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