Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
15/02/2023, 00:12
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
194KB
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MD5
28b27021d49cca7980920d39117a2e0d
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SHA1
1826dad8d7eae76c0dca019d29598ac1e6f71abd
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SHA256
dfab590773bada28c2a43d573d754511be323d18d4cc0765198c3350fa194337
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SHA512
08fbc873d9c08800649e43002ee636959efe8535d71c79b5942d235114eec707a8070967102aefa02b50458a03ba1c7ababd92cf322438f7ef0f13836a278c86
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SSDEEP
3072:JnN8t9jLuGTPq5aelQUcc7RsQxlVntJcAItwDqO2bHhF:qL3bRQ/pzLDi
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/856-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3208-135-0x00000000008E0000-0x00000000008E9000-memory.dmp family_smokeloader behavioral2/memory/856-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/856-137-0x0000000000400000-0x0000000000409000-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 3208 set thread context of 856 3208 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 856 file.exe 856 file.exe 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3080 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 856 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3208 wrote to memory of 856 3208 file.exe 81 PID 3208 wrote to memory of 856 3208 file.exe 81 PID 3208 wrote to memory of 856 3208 file.exe 81 PID 3208 wrote to memory of 856 3208 file.exe 81 PID 3208 wrote to memory of 856 3208 file.exe 81 PID 3208 wrote to memory of 856 3208 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:3208 -
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:856
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