Analysis
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max time kernel
141s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
22/04/2024, 13:09
General
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Target
2024-04-22_c06e1c99472352b030fa758fa9481a1a_cryptolocker.exe
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Size
89KB
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MD5
c06e1c99472352b030fa758fa9481a1a
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SHA1
e2497401b042035e126a57812000a9446357a12b
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SHA256
f4ec274e35aa791c776e322db6c388917e70dafc4649b86591bb0f0d45c424df
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SHA512
a3c2d52a75de1ee18d6cc06dc94cbb2f5fc914a48fce0932a55b1548f74ed010c4f7795df42970a7be033652500fcbfb07d0648b8eaaa7ee0246336cfc8750db
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgdd/:AnBdOOtEvwDpj6zb
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\2024-04-22_c06e1c99472352b030fa758fa9481a1a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_c06e1c99472352b030fa758fa9481a1a_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
89KB
MD56a54cce7f94d8be0370c1eb4e9b6ac8f
SHA1022bee271f13cfb96965b9ee7902d74cc2267dd8
SHA25652d41cd8d02ff9e41fb51f274be2590a7de444acafb16c2aa78c5b0790a437f3
SHA512057407906251b65516ea6a4943f6ee6af65bd772cd390f6371684ed893fde5e829bf245575e66ca0f22b2024567e6c21c05bb41923a0b9c50b78fef389c471bb
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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
60KB
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Filesize
24KB
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Filesize
60KB