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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2022, 12:47
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
250KB
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MD5
bd29fda79307e251a8495d96c74ff515
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SHA1
e99f44b74b13faa8d9e349295409f4ca94bb10cf
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SHA256
571f5aef5e656010a42fa8972985ebe1a413cf30cb28b0c97b9ee1b59146c59f
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SHA512
2164a8f7d047844824af0926223c46cd5754b020bfa869685c77b2139992c0a5e3770c201202f59b0ae72d37b2e94e04712380c427f0df01c3191fbbd7f11fd0
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SSDEEP
3072:WCyR2uLp4+RYq0JONhaGQLRXx0fZjvaLU8y5/LU8y5ZB6xuqqb53y1teM:a2uLp47q00sGS70xjvao5oEx3E5
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5068-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4244-135-0x00000000005D0000-0x00000000005D9000-memory.dmp family_smokeloader behavioral2/memory/5068-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5068-137-0x0000000000400000-0x0000000000409000-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 4244 set thread context of 5068 4244 file.exe 79 -
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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5068 file.exe 5068 file.exe 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2824 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5068 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4244 wrote to memory of 5068 4244 file.exe 79 PID 4244 wrote to memory of 5068 4244 file.exe 79 PID 4244 wrote to memory of 5068 4244 file.exe 79 PID 4244 wrote to memory of 5068 4244 file.exe 79 PID 4244 wrote to memory of 5068 4244 file.exe 79 PID 4244 wrote to memory of 5068 4244 file.exe 79
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:4244 -
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:5068
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