Analysis
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max time kernel
171s -
max time network
182s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 17:45
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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
351KB
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MD5
f5c288d46b24ede2f47a7e03f28be4f2
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SHA1
d76c725769759efdd3c65d681ee77852a33cd0f9
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SHA256
9786cace7f090e33f0cecfcf58449954ffca97a9279d7ce3e0d86eb536539233
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SHA512
3222d1e4f378fd6a87f57182711584673b2f50ea2de81361515ce4fde0b7cee6b73ecd3569f372f981a67f511b081073de8cbdbf5e4cff9c24bb0d800de56304
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SSDEEP
3072:0wFjrD5nfI5Aeigazv9ukTWf/Ca2seEE0WkGnWNTC6NRMHnlXptFhQ3HYDrEmU:5rtnf5/Z9ub/Zd3E0InMW2RqnCXY
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1844-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1844-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1572-135-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/1844-137-0x0000000000400000-0x0000000000409000-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 1572 set thread context of 1844 1572 file.exe 76 -
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 1844 file.exe 1844 file.exe 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 532 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1844 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1572 wrote to memory of 1844 1572 file.exe 76 PID 1572 wrote to memory of 1844 1572 file.exe 76 PID 1572 wrote to memory of 1844 1572 file.exe 76 PID 1572 wrote to memory of 1844 1572 file.exe 76 PID 1572 wrote to memory of 1844 1572 file.exe 76 PID 1572 wrote to memory of 1844 1572 file.exe 76
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:1572 -
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:1844
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