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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
15/01/2023, 01:37
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
207KB
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MD5
a82c05a968ad2657181e7813c6fddd48
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SHA1
836a8f9f8013da945d3a6b8754d28b1ca3ff107b
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SHA256
3b8dfb9811e12f5f0c2d35030f7350c5977c5ecd3c6981a1a6515f2a74088a87
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SHA512
961bcf8eaffce43fb582991688120f814fe17b4dc788ad0deecf7414d2e44b9092316e83a115c7eae4ad79cf813a2e2187ca5352ed63c13fc6a6d1962138f6fd
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SSDEEP
3072:vXtPpMQjnYFeHPFLnOUA5ecsuLqZGJOzCqV6UvSTXUAxNapb:frNjnYFe9LnOUNHuLqZGJwdV6YI2p
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5064-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4632-135-0x0000000002D40000-0x0000000002D49000-memory.dmp family_smokeloader behavioral2/memory/5064-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5064-137-0x0000000000400000-0x0000000000409000-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 4632 set thread context of 5064 4632 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5064 file.exe 5064 file.exe 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found 2720 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5064 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4632 wrote to memory of 5064 4632 file.exe 80 PID 4632 wrote to memory of 5064 4632 file.exe 80 PID 4632 wrote to memory of 5064 4632 file.exe 80 PID 4632 wrote to memory of 5064 4632 file.exe 80 PID 4632 wrote to memory of 5064 4632 file.exe 80 PID 4632 wrote to memory of 5064 4632 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:4632 -
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:5064
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