Analysis
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max time kernel
150s -
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
11-01-2023 17:46
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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
320KB
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MD5
aef205f0bcefa3e1b724f253300a801d
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SHA1
3b477ae932195d51db2d6a5d2e3883f5afffd042
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SHA256
1ad54668f797cc9ad43f805e451e77917055baa7737e1cb4b887da9a3859f14b
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SHA512
ec1366c03d1d85024c78296983be1d4686bf537705b541a3ac3047ef4a78a57d55213952bd27e27bc03f647ce509b48c36790f8d9e4814c6551b6daeb09e67bc
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SSDEEP
3072:iXOWJMyaAWfUPCQ5djGuhCcShenl51JrDyhyAM1l29lP30bW3x7c5nm7xcRxFhOf:iBaUK0jRfhlMt9lP3Zi5BxFzu
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2476-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3776-135-0x0000000000610000-0x0000000000619000-memory.dmp family_smokeloader behavioral2/memory/2476-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2476-137-0x0000000000400000-0x0000000000409000-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 3776 set thread context of 2476 3776 file.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 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 2476 file.exe 2476 file.exe 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found 2180 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2180 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2476 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3776 wrote to memory of 2476 3776 file.exe 81 PID 3776 wrote to memory of 2476 3776 file.exe 81 PID 3776 wrote to memory of 2476 3776 file.exe 81 PID 3776 wrote to memory of 2476 3776 file.exe 81 PID 3776 wrote to memory of 2476 3776 file.exe 81 PID 3776 wrote to memory of 2476 3776 file.exe 81
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:3776 -
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:2476
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