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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 12:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe
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Size
44KB
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MD5
493dd7ec5ab5e24ed6c0b5e1553fc3bf
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SHA1
9fc9f9ce858ed7c7bfa03a8417a134e3c0a7bd6c
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SHA256
34ea79b06469a8f7e0245c21219df4b1f63489ab37c658af9e428a334094dd09
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SHA512
615836295d17d5cf9388377c30173a03b993516f46667f8e53465cfe40b5def0451284c2b528ba86ad708d8508c3221d9d0d03b0572bcb20e27d908ecc594457
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldJQf6:xj+VGMOtEvwDpjk/JQi
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2860 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1732 2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_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 2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2860 1732 2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe 30 PID 1732 wrote to memory of 2860 1732 2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe 30 PID 1732 wrote to memory of 2860 1732 2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe 30 PID 1732 wrote to memory of 2860 1732 2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-28_493dd7ec5ab5e24ed6c0b5e1553fc3bf_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2860
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD5ccfddbde248e8e877a901d9200cea3fd
SHA155c0d2e8d5cb72bc9306f6feceef010819971d06
SHA256b47e512fc018dc29b566b6df5eb5332b2b1bac77756fbc44c5699e4477e8c9c6
SHA51228383b7b7215874364af54d6edb20ed552de8f92b567abf4034c9cf80a26979fa1c226212693fc25fa9a77ba8fe5ac37ba38346b58e5bccdbcdee2ecf69a0be8