Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
19/04/2024, 20:13
General
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Target
2024-04-19_722d2476f5d92d2b2f45234e13c0f0ef_cryptolocker.exe
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Size
37KB
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MD5
722d2476f5d92d2b2f45234e13c0f0ef
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SHA1
5327733dc4777f90782ebd8847d1f74659bc2991
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SHA256
516ff310351ee7a790ff2d349132793de55f772318212c1b345fc058c611fd9d
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SHA512
1963f34e7205e77bb7584d725d76d133a07585a8fcdb6f0427cba435f5737056ba938b7a6a7027dc4683f1ab810dce05f5427be9bcbd7dca25ccd599ce6b0013
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYW:qDdFJy3QMOtEvwDpjjWMl7T3
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\2024-04-19_722d2476f5d92d2b2f45234e13c0f0ef_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-19_722d2476f5d92d2b2f45234e13c0f0ef_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
38KB
MD5da63ad6060cce58f554d4ec49708b8ab
SHA1623ffa6bff0047d2e4e5dcf9620c9fc81f7e15e5
SHA2564ebdd9a5f5a280f874d5f40709b176030bc72ea19c4f0eca4d848fd8339adaea
SHA512e3b1a59d71d79afa4dfafa89e953b73d10aba15f9250d39c46601587d7d4c90218ed562c9c7801b7f2bb411e3387c603aca2429d085a6ffcd625c61223c01c39
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB