Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2022, 16:10
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
file.exe
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Size
328KB
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MD5
bf757ec2ff3e99200672c66c0a603f17
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SHA1
92e62746b6bf1eb8a036556ac89d0117ed00d247
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SHA256
8473b23f202dbfe94909ec6efd6087878ce735cc5a7f5dd76ec50db62a60482e
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SHA512
03593e1060308d1c5b2265b1a24445b257e63c5262fd5f35eb61025a27fc620505b8c0c0fb28db9928e30bdad10ea044e3bfa60da42ceb71643055657b07bf54
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SSDEEP
6144:xWsMDHP9B0qcC4gcMl1cl3r06TnigabwVfs:xWsY9BSgxjIiB
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/1544-133-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{24DD5A94-E45C-469A-9EBA-02316D94B238}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B687ECCA-4839-424F-BEFB-DBC3E6882194}.catalogItem svchost.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1544 file.exe 1544 file.exe 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3004 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1544 file.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3004 Process not Found 3004 Process not Found 3004 Process not Found -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3004 Process not Found 3004 Process not Found 3004 Process not Found
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1544
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4956