Analysis
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max time kernel
141s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
20/02/2024, 12:31
General
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Target
2024-02-20_4f5c7c470c99163c43b9bad008796381_cryptolocker.exe
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Size
63KB
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MD5
4f5c7c470c99163c43b9bad008796381
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SHA1
1c967b9601f8d34e3665d7347984d7ba61333ee7
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SHA256
9bace6f615ab767a3688ac66f36ccb62e59cae40cda20b4a5aa2b025a747535c
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SHA512
7b81a852e76ac634d7126855602b9e9cb3a49f24b5fcb0cc0d31c0936b041c228737300e8f995c501b4c2d76e20a02751318b182091364bf6cccfa854757314c
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAo6U:1nK6a+qdOOtEvwDpjD
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 5 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 5 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\2024-02-20_4f5c7c470c99163c43b9bad008796381_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_4f5c7c470c99163c43b9bad008796381_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
63KB
MD5d9aac08204bd4867f7c8edeba673a974
SHA1953c7fda69acf4627425160e0d4bfb89e9d0ad07
SHA256c86b73c75e700a2a073c531f0ff14793307a7db99e880efddffcf10540260af9
SHA5125cb7314fab26616e0089cbd29a89e4951ae7a33ff6acad8c0f5b5152588f34fc95ff86a9bdb644c90f9a87cae4a8d821901ed1314bdb89fe4714656039ec593c
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Filesize
60KB
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Filesize
24KB
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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
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Filesize
64KB
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Filesize
64KB