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Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2022, 17:45
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
256KB
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MD5
8f6be9f2111a5fc93e49f856a862e716
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SHA1
1f1787c0433a4a5a761f91fbeb8e2049be9b8a3e
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SHA256
bc92a03dfef401f7e6f62c5cbe087e57df471d12c75831f368d88b7972e4339b
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SHA512
c23adfba55048d0c2db00adcc80dbf70ea3482bb559da62625150363a0e4c79a9d48c984826ce76955b3c7616ad37f121ce176f188c9968089e912159ba75903
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SSDEEP
3072:r2xDZm7uIQLLL8deq+RpqGqg6WAvXsnYmydhidT/TZmqKyBpwGw27hZY:eeALceqoGgm/3m6hQjQRyjj9ZY
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1680-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5096-135-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/1680-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1680-137-0x0000000000400000-0x0000000000409000-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 5096 set thread context of 1680 5096 file.exe 80 -
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 1680 file.exe 1680 file.exe 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2152 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1680 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5096 wrote to memory of 1680 5096 file.exe 80 PID 5096 wrote to memory of 1680 5096 file.exe 80 PID 5096 wrote to memory of 1680 5096 file.exe 80 PID 5096 wrote to memory of 1680 5096 file.exe 80 PID 5096 wrote to memory of 1680 5096 file.exe 80 PID 5096 wrote to memory of 1680 5096 file.exe 80
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:5096 -
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:1680
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