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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2024, 16:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bf0802431d3d28be3ef7c0633b074f4f.exe
Resource
win7-20240220-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bf0802431d3d28be3ef7c0633b074f4f.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bf0802431d3d28be3ef7c0633b074f4f.exe
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Size
200KB
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MD5
bf0802431d3d28be3ef7c0633b074f4f
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SHA1
c8797d252e7ba8708f81b72e6c88004500ee2e14
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SHA256
08f0da563297fc2c0c9224060ec5a3003bb36dd8ab0a69570a2cf7ea06765715
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SHA512
21383b06b360183b03fdaff8a77648ec1aa6e6627bd8de608c9916119ffa6e37ddde77fcc02069d120e5e3b51bf7a5610c7e10d75a2cbd2106eda16c58e27f8e
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SSDEEP
3072:jCbTo/0Yx0L0tQ9nLHbB9WPliBs2HWWEakGJm9LB:jCCq4QxL7B9WPli+yWWEazU
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bf0802431d3d28be3ef7c0633b074f4f.exe Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mlxouw.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation bf0802431d3d28be3ef7c0633b074f4f.exe -
Executes dropped EXE 1 IoCs
pid Process 4288 mlxouw.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /h" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /a" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /e" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /r" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /g" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /p" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /w" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /k" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /c" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /d" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /z" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /y" bf0802431d3d28be3ef7c0633b074f4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /l" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /t" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /x" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /u" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /y" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /o" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /v" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /s" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /b" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /q" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /m" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /j" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /n" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /f" mlxouw.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mlxouw = "C:\\Users\\Admin\\mlxouw.exe /i" mlxouw.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2288 bf0802431d3d28be3ef7c0633b074f4f.exe 2288 bf0802431d3d28be3ef7c0633b074f4f.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe 4288 mlxouw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2288 bf0802431d3d28be3ef7c0633b074f4f.exe 4288 mlxouw.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2288 wrote to memory of 4288 2288 bf0802431d3d28be3ef7c0633b074f4f.exe 95 PID 2288 wrote to memory of 4288 2288 bf0802431d3d28be3ef7c0633b074f4f.exe 95 PID 2288 wrote to memory of 4288 2288 bf0802431d3d28be3ef7c0633b074f4f.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\bf0802431d3d28be3ef7c0633b074f4f.exe"C:\Users\Admin\AppData\Local\Temp\bf0802431d3d28be3ef7c0633b074f4f.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Users\Admin\mlxouw.exe"C:\Users\Admin\mlxouw.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4288
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
200KB
MD58b5bc53fdc0d192fb71d400890038284
SHA14b02d4b004de464baa351be29c2a8f5b680fba1f
SHA256e652820d8b3d0f71ef7c1e9e6fd11f7607c999402b70e05233c8bfda46c716e3
SHA51250947c6d2cd16cc8c031efdcea27b07cf064e5be17a952c3d3f3a82774dc2f0c7d8e2901b27fac87f95cd6bb62ce8edace067175a63072d71e51715097aedccb