Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
22-04-2024 23:26
General
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Target
2024-04-22_c4fe91b226294adf1845685264373982_cryptolocker.exe
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Size
93KB
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MD5
c4fe91b226294adf1845685264373982
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SHA1
cacf9138bcdfa1a42552428ee4ce60594fa7bb9a
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SHA256
fd474fedd6547b99a7917d740631a132fd4a7d9107aebd90fdcb740f1278155c
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SHA512
9f36992b58e39f4f1c155cd4500783ded37cff76ed9308c603a2eaa84ff38c5da02601074f474d8af436c8a3940ae7c2b558734fb6d9d924d022106d792f9d3a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/1ya:zCsanOtEvwDpjBT
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\2024-04-22_c4fe91b226294adf1845685264373982_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_c4fe91b226294adf1845685264373982_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
93KB
MD53493dc8f692b0948f03794f85a761c52
SHA1cc5b9d15d225f999a6d4a88f1a22955001008185
SHA2564510d073ebf346156d85ef40d3b89019ede8b8578b8c0dfd80ac077c38d108d7
SHA512149194028329bc4443f96724b6ce5cb715ee352793f002b4db65c0b811e67b3d415aa9ef415168fddbfa30504b0c7b0ab0ecacf90a380ccff4165a87b23b919f
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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
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB