Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12/09/2022, 19:27
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
265KB
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MD5
5a9619caf1f2a4f04e1db20cf02857a3
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SHA1
ca7bba42702be0b7edbb48994ac3ecd59da5a217
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SHA256
4e7ec05b9a242335ad5bf940933277a61d96cf7e5ef9eb97fff7a565c84365fb
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SHA512
179c42ec165aeec8423725e92e119b002f17c290cec054a22a527779288e1723cc37efb57b5a4b01edf59581e9f7d6e58b1edfb53e7d676580b4bd426b5e888b
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SSDEEP
6144:EbC9WE9yx+yVu23iZ/lTlm8pmYx2+nxhMMU9NUvg:EGQSChI23iZtTlm8pmYlnxhNUPU4
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/776-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4976-135-0x00000000023E0000-0x00000000023E9000-memory.dmp family_smokeloader behavioral2/memory/776-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/776-137-0x0000000000400000-0x0000000000409000-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 4976 set thread context of 776 4976 file.exe 91 -
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 776 file.exe 776 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 776 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4976 wrote to memory of 776 4976 file.exe 91 PID 4976 wrote to memory of 776 4976 file.exe 91 PID 4976 wrote to memory of 776 4976 file.exe 91 PID 4976 wrote to memory of 776 4976 file.exe 91 PID 4976 wrote to memory of 776 4976 file.exe 91 PID 4976 wrote to memory of 776 4976 file.exe 91
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:4976 -
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:776
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