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Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23/12/2022, 02:33
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
316KB
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MD5
f888a176a38549cc9c0bab4424a8fffc
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SHA1
1631251a261638c4e6af5908c16bdb27351c7d42
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SHA256
2ce5142469202d7bce3b0a656511679d82e61d3e1a125ad968a7f917bb7f872e
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SHA512
c07f70dd4cd3e347bf5456e11e8d1da8f6d08c168dabeb94c0423dfae60c649462b9a3d65691c4166b3a1f2de5e43d3165f057c0a338faf4434b3c361fe7853f
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SSDEEP
6144:kpLutLEANOntKSCJG9E0WtehpRR0cSpQTtyzsduHNIv:kpStL1NOt7elgLRR0TCtyYduHNI
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4356-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/376-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/4356-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4356-137-0x0000000000400000-0x0000000000409000-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 376 set thread context of 4356 376 file.exe 83 -
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 4356 file.exe 4356 file.exe 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found 2396 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2396 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4356 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 376 wrote to memory of 4356 376 file.exe 83 PID 376 wrote to memory of 4356 376 file.exe 83 PID 376 wrote to memory of 4356 376 file.exe 83 PID 376 wrote to memory of 4356 376 file.exe 83 PID 376 wrote to memory of 4356 376 file.exe 83 PID 376 wrote to memory of 4356 376 file.exe 83
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:376 -
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:4356
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