Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
06/01/2023, 21:31
Static task
static1
Behavioral task
behavioral1
Sample
763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe
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Size
300KB
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MD5
3ed50fa1a5d8ffbd0c42d0da477bdc12
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SHA1
e8eee42e938db46a18d9b73f27dc47cf063d024f
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SHA256
763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158
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SHA512
1f20ff3fd0e98eb11b1bf8b5b87f7c0c6cf737470d947e0505ca1fb9a053b31abc10f5cbfb205edbef8567bdca2cfce498982a3581aa7252dc3fb3533207915c
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SSDEEP
3072:LzXNLooJX4S5aDda2o5Nxf1bBBW5z8JfzI4+x/dGrsC9IXfWHgqGwQd0BJ1:PNLo4X4Va2Y/tO2ZmVf+nQd0BJ
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4936-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1812-135-0x0000000002CB0000-0x0000000002CB9000-memory.dmp family_smokeloader behavioral1/memory/4936-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4936-137-0x0000000000400000-0x0000000000409000-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 1812 set thread context of 4936 1812 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 84 -
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 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4936 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 4936 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2732 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4936 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1812 wrote to memory of 4936 1812 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 84 PID 1812 wrote to memory of 4936 1812 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 84 PID 1812 wrote to memory of 4936 1812 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 84 PID 1812 wrote to memory of 4936 1812 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 84 PID 1812 wrote to memory of 4936 1812 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 84 PID 1812 wrote to memory of 4936 1812 763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe"C:\Users\Admin\AppData\Local\Temp\763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Users\Admin\AppData\Local\Temp\763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe"C:\Users\Admin\AppData\Local\Temp\763c27551552ca4540cf9c0708e6274923585e867f743028ffb0464505781158.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4936
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