Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2023, 17:10
Static task
static1
Behavioral task
behavioral1
Sample
8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe
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Size
326KB
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MD5
792792249a5b4d04309c85521849df77
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SHA1
a2384f15d4982b8e51752328b09130f162d615a8
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SHA256
8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74
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SHA512
c8467c5596deb321d13c733f1a1d79aa0d4d52c2816fcbb11137875a9cc8dc3b5e940e607224e0c045864479a25230149c9a61a2dd1cbedd9e40a00d217add3e
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SSDEEP
6144:yja2LsClVhqMB4a1MeYeBdD95AsZl9/CJTk637eQfnd59cCWB:yja24ClB4ReYeBdD95AsT9CJb7d5uC
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4932-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4804-135-0x00000000021A0000-0x00000000021A9000-memory.dmp family_smokeloader behavioral1/memory/4932-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4932-137-0x0000000000400000-0x0000000000409000-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 4804 set thread context of 4932 4804 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 86 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4932 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 4932 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2080 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4932 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4804 wrote to memory of 4932 4804 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 86 PID 4804 wrote to memory of 4932 4804 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 86 PID 4804 wrote to memory of 4932 4804 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 86 PID 4804 wrote to memory of 4932 4804 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 86 PID 4804 wrote to memory of 4932 4804 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 86 PID 4804 wrote to memory of 4932 4804 8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe"C:\Users\Admin\AppData\Local\Temp\8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Users\Admin\AppData\Local\Temp\8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe"C:\Users\Admin\AppData\Local\Temp\8403b8475b9aa07d4ec4cc243aea6a026cbbc187cb68ed0411e5611cfa153a74.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4932
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