Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
25-04-2024 04:41
General
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Target
2024-04-25_0641d8afe6a06e04edafe3bd9a3b8a1b_cryptolocker.exe
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Size
36KB
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MD5
0641d8afe6a06e04edafe3bd9a3b8a1b
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SHA1
23bd14e008b3c8f2c4c934f146dcce26b9d7b8eb
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SHA256
e778de0ed5eb3b32410bcce9bc23d1187279714ccdd0ebaf9285ff3e33bc2f9c
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SHA512
d99662de081974524c39cfe6bece6d54b56631207ee7f2b02980c9d920a1c9bc77daf0827a8839ed6462f0979927f07e9949c094197e32c756aa968d4112c1a7
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3+:qUmnpomddpMOtEvwDpjjaYaQ+
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-25_0641d8afe6a06e04edafe3bd9a3b8a1b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-25_0641d8afe6a06e04edafe3bd9a3b8a1b_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
MD56f5e5914da540cc77eb6052a3b5d032b
SHA167ecc465606d4314adcace974ed970a6da68060b
SHA25678034d162db9319eba46ab0419ba320ca2ac4dd282cd37d0317e89b846a2f941
SHA512729ba09bda39e2cef87362f987149f2f91c2c8d9a6efef88bcde071f323ddd265f830420880efd601e9ffc495934acee55fe8bbfb0e892b49529d8052135d5d0
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB