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Analysis
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max time kernel
150s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
31/12/2022, 05:07
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
287KB
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MD5
9350d0a2869e9dce180bcc00f6cec602
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SHA1
36997490e1ebb939b04976aa4f1620d3def4c637
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SHA256
e2d1e8d99d703d901d0603317b4eed6759eff0dcfa72933d4ea58d4dc242875b
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SHA512
9a87dfd67cd073fd07674c38c431a32d684e19c033339a0cefc45dfbb59e2eff3621d44834e282a1e329f55ec4c40660e3423d72603a974bb19a4eff9363a3d7
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SSDEEP
6144:LzdXrL7xEuAylSevFcUeYTV3h+8x5Cyb8UIkEq:Lztr/xEuAylSoTTfx5CyI9q
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/820-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/820-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1292-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/820-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/820-60-0x0000000000400000-0x0000000000409000-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 1292 set thread context of 820 1292 file.exe 28 -
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 820 file.exe 820 file.exe 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1196 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 820 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1292 wrote to memory of 820 1292 file.exe 28 PID 1292 wrote to memory of 820 1292 file.exe 28 PID 1292 wrote to memory of 820 1292 file.exe 28 PID 1292 wrote to memory of 820 1292 file.exe 28 PID 1292 wrote to memory of 820 1292 file.exe 28 PID 1292 wrote to memory of 820 1292 file.exe 28 PID 1292 wrote to memory of 820 1292 file.exe 28
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:1292 -
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:820
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