Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23/12/2022, 13:15
Static task
static1
Behavioral task
behavioral1
Sample
3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe
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Size
228KB
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MD5
3bba7c9a5fbbfbd6032a479f752dc12f
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SHA1
5459125274dde9e1ecaa3bf6b89eb0666b4821bc
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SHA256
3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60
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SHA512
94ec4e5a5afd0c733a5f5c7509b1ff1c6334a0db428f7ca46bc849132dacd56c48375249fb52244e056d486e0d5ede6ce65edd84ed272704b70c332e9978e33f
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SSDEEP
3072:6mLkTczPOr1ZcdXGLTgtKA3UO+Vdu+oukzRZ+lLiWBkOuRGK:BLkTzRZ4W383qVEuk1clLipjcK
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/3112-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4864-135-0x00000000005A0000-0x00000000005A9000-memory.dmp family_smokeloader behavioral1/memory/3112-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3112-137-0x0000000000400000-0x0000000000409000-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 4864 set thread context of 3112 4864 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 81 -
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 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3112 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 3112 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found 2248 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2248 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3112 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4864 wrote to memory of 3112 4864 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 81 PID 4864 wrote to memory of 3112 4864 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 81 PID 4864 wrote to memory of 3112 4864 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 81 PID 4864 wrote to memory of 3112 4864 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 81 PID 4864 wrote to memory of 3112 4864 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 81 PID 4864 wrote to memory of 3112 4864 3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe"C:\Users\Admin\AppData\Local\Temp\3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Users\Admin\AppData\Local\Temp\3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe"C:\Users\Admin\AppData\Local\Temp\3fa86958575449d1498e890dbe67f0208eb93051d5172baaa493b51fc0846d60.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3112
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