Analysis
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max time kernel
141s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
19/04/2024, 05:35
General
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Target
2024-04-19_783e35b5cfb6739846c3eb55d7e53a22_cryptolocker.exe
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Size
128KB
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MD5
783e35b5cfb6739846c3eb55d7e53a22
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SHA1
e56adce5e509046382065ec1d1a70fc52ba563b5
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SHA256
f7cebd88739c06fe89af06e1f3eb0c70d9c00483606018ce0fb85b6ecf802895
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SHA512
9a35b8caf5d71979666946a11ec84ae4011f194bb53e5eb6c897b20fbf9e3ec15a040e46b564d38fa6e4b760ea068116745fad75ce77571014c7c7d35fd7de90
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1ebHkG:AnBdOOtEvwDpj6zX
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_783e35b5cfb6739846c3eb55d7e53a22_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-19_783e35b5cfb6739846c3eb55d7e53a22_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
128KB
MD5fe8875ffa17f6f699fe70a8a9ce45a1e
SHA1e536bf228b28e3b54e5f36ca09dcc02b3c96831c
SHA256c17449d65c5b1e5397257f1f15ad7806585efdd590703b8a5131ec32906fd57e
SHA51222717e30301a0bf0818a70639524ab942cfc67b2409ea45279eae301ea2ec315643ba5cc0b857ef217bfefc0c8490f07c678aadcd191b4028588cca52e4a0652
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB