Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2024, 05:54
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe
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Size
39KB
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MD5
e8316cec75cd4b35e416045a9f78f25e
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SHA1
576994bddcbd517550700f53add9ca32dda175f0
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SHA256
0b43c285587030ec5ca0f9ff23f6e721ca24041bea06676bd02b8e9b4a93bffe
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SHA512
9ade73a3c80fa190ce44e7a4b4d809a38605fbafc5d0067e4e56277147b537110bade9747ec18b89e292792ce83a4eb5d2e19b90b6b7122acdf01dec90a6b57e
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkekC:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+h
Malware Config
Signatures
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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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4268 asih.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 2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2016 wrote to memory of 4268 2016 2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe 85 PID 2016 wrote to memory of 4268 2016 2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe 85 PID 2016 wrote to memory of 4268 2016 2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-12_e8316cec75cd4b35e416045a9f78f25e_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2016 -
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:4268
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39KB
MD5cd3dc19d1af3529e5363ab1e3d01d5f6
SHA1c5583ef8641f5f120cd82494cee3e6fbccb07d50
SHA256e456dcc450ad3d8d185c12d47128ee70ecfc7213ea98f8597113ba7129427020
SHA512d4f021709370f6cf660fbddfab2a54d895e419a04b6e63f0eaa3379525d2259ca45c7c7f3d6c55779ce161e7c5cbdeea94ffc7305e03673ccb2f84ecb0b3356c