Analysis
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max time kernel
152s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
02/12/2022, 01:23
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
191KB
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MD5
64b0bd840c853959950594d2ac922689
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SHA1
dc7744d6140d300c169d3d923380df0c1bba15ed
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SHA256
e9a273b91f016b5e073b7256d6f3ca366e9eed11ee495253d64c92eeb0a83274
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SHA512
b12fbf291cb9d30209ede8af71668c55a261c854b0ce777bc2c8806dbaafd884568e78ac1b8f500c425937dcf7de6dd967fc18bb063f28f336c6193395c5b5ac
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SSDEEP
3072:zBA0giLesPCfJ8I5mBWzVTNXHXVJb48DRBjAGT8/cIxiIRs9E3AZxpR/t42:lgkPCf8wbpnBjAGT8IBvpE
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/388-133-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/5016-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5016-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5016-138-0x0000000000400000-0x0000000000409000-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 388 set thread context of 5016 388 file.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 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 5016 file.exe 5016 file.exe 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1012 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5016 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 388 wrote to memory of 5016 388 file.exe 85 PID 388 wrote to memory of 5016 388 file.exe 85 PID 388 wrote to memory of 5016 388 file.exe 85 PID 388 wrote to memory of 5016 388 file.exe 85 PID 388 wrote to memory of 5016 388 file.exe 85 PID 388 wrote to memory of 5016 388 file.exe 85
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:388 -
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:5016
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