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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
02/09/2024, 14:01
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe
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Size
44KB
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MD5
9ebf89254bc576965179fa25b9891a9e
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SHA1
342915bd1843b7a7cba833722eba7d3516131284
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SHA256
eccc82de0b4cb95bc661aeea4a8b65022a1a6ceaafb1aa3a0d234254bff58b00
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SHA512
9749a8e2edaf94916d675279034c7172d45054f9fa4e28dd52beae94f876d003afd6e87f265d7219227e86dfd7f7b8e7df21325434ea2bc1834b79e03d67e451
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TS:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLS
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1264 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1848 2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1848 wrote to memory of 1264 1848 2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe 30 PID 1848 wrote to memory of 1264 1848 2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe 30 PID 1848 wrote to memory of 1264 1848 2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe 30 PID 1848 wrote to memory of 1264 1848 2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-02_9ebf89254bc576965179fa25b9891a9e_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1264
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
44KB
MD593bd5af5b6c371916abc5f4ff70587b2
SHA1e2507c13dbb9d8afa1231f21eb93aa190f7b1be4
SHA2565c801b4eac7b1162b09a8ebf2270adbfde355673b2892703b71da67a224f9270
SHA5124cfbbbb31a928f3318bd1e4d1a567f372ff7121a89d65283a43415913b2184dc2b3b65027b2272c7e6b80a75b6fbc4354960d102093bf08a8b178efa7f94e38a