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Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26/12/2022, 20:10
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
227KB
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MD5
6e30b4b845eac4c903ab7f84e823104e
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SHA1
85044bab31faec5aa58cb47b13f0701391df2526
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SHA256
d71610b0f4ea5c8b436bc7b71903037fd2bed8e9af6b9fdcf876ee36cf633d25
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SHA512
be8af6ab9f613d387e723a1520864014220172965c9d051e00e6a0f7d8c26377c7fe5083ec1d8d2ca801a909c1bf169647cff0ebb176c082f9ed0af870256d1d
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SSDEEP
3072:CPK1LGkB57K6BiNwPa5oK7DKNWR3FjLpt1bfRlTe+V+Y700:vLGk3K6PPa5oKpR3JH1jRl6+Vl7l
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4380-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4772-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/4380-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4380-137-0x0000000000400000-0x0000000000409000-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 4772 set thread context of 4380 4772 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 4380 file.exe 4380 file.exe 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2592 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4380 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4772 wrote to memory of 4380 4772 file.exe 80 PID 4772 wrote to memory of 4380 4772 file.exe 80 PID 4772 wrote to memory of 4380 4772 file.exe 80 PID 4772 wrote to memory of 4380 4772 file.exe 80 PID 4772 wrote to memory of 4380 4772 file.exe 80 PID 4772 wrote to memory of 4380 4772 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:4772 -
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:4380
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