Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
21-02-2024 15:23
General
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Target
2024-02-21_1c929876e769fbd8882289b62055a115_cryptolocker.exe
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Size
81KB
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MD5
1c929876e769fbd8882289b62055a115
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SHA1
19d3dd4fc87bc6019e0e2173cf8e8905d677ec48
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SHA256
b64ad0afa4ccc7062dca18d899d37c8542a816128798f9d30e9797adf1a9f056
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SHA512
c9737c9b61f51a4b918cd152586274b13321d882845a34314c5344bf719a7923b66006d96d59c558cb98775949763744e03611c797ec4ff925143de3be69df9f
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7p:T6a+rdOOtEvwDpjN1
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 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\2024-02-21_1c929876e769fbd8882289b62055a115_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_1c929876e769fbd8882289b62055a115_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
81KB
MD54301d2bb9ffa3d0a1bfd427074d8092f
SHA1e906f5a7db37ac49627c36bc9bd6e921da5ce9ba
SHA25678305c2e205773b27dd46630567860fadbbd38fad789109f6bc03a2180565992
SHA512f3546756045d74db9e4dd77724b6e5c92c901e6859cf53822f9a2700c3e890f4d0444f435fb6fe8f9a08b3d2f9f66d30e7cb6b39e6a3e474fe4044b957daf9cc
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB