Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2023, 03:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
300KB
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MD5
b7fd474e04e993aaeb8bd7b95009cf70
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SHA1
3abb7b928a79a62fdc10eed785796a202451e8cc
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SHA256
687b21ff35fb74cc0adb3a649403e2bcb9590afa14c69080a9aa63957dc4f5a5
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SHA512
aade788a16175793b8d01607fc08f93d4be0716ce17e905a12943c7b2c9271b44c9b211372887d5451c94decce6d0ed4a89a1e07ef1af9dc71f5705683828814
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SSDEEP
3072:THX/LcGA+cS5x1UXNjQD/SAxO8kjfEMekC9IXfWHgqdb2uFSTXFO50BJ1:D/Lcz+c2uXBQ+QSTHeOf+/4TV00BJ
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3672-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5064-135-0x0000000004830000-0x0000000004839000-memory.dmp family_smokeloader behavioral2/memory/3672-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3672-137-0x0000000000400000-0x0000000000409000-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 5064 set thread context of 3672 5064 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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3672 file.exe 3672 file.exe 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3056 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3672 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5064 wrote to memory of 3672 5064 file.exe 79 PID 5064 wrote to memory of 3672 5064 file.exe 79 PID 5064 wrote to memory of 3672 5064 file.exe 79 PID 5064 wrote to memory of 3672 5064 file.exe 79 PID 5064 wrote to memory of 3672 5064 file.exe 79 PID 5064 wrote to memory of 3672 5064 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:5064 -
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:3672
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