Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
25/05/2024, 17:23
General
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Target
2024-05-25_1c9e3d628e1b95877bdd1acb52fe0e6e_cryptolocker.exe
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Size
89KB
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MD5
1c9e3d628e1b95877bdd1acb52fe0e6e
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SHA1
98ded97b014072b868571a4a282037d82e615db3
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SHA256
f834b2568b46eb6e9ce445cc0997b31cddd450499ce1f2c5f7aa7fd3fff86182
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SHA512
ed2865cb84444bb7b0c34d4d3cb415664e48738e184d3bc89166496b48ee8d24480636eb7e3933ab915983a7b9e960c7f640da916e1607d62a66899cef747fa3
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgiA:AnBdOOtEvwDpj6zr
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-05-25_1c9e3d628e1b95877bdd1acb52fe0e6e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_1c9e3d628e1b95877bdd1acb52fe0e6e_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
MD5b9d5a17533eff020a884f19aaf3fbd8c
SHA19dfcec69fbfba15b2dbda1fa18e48612142cd91a
SHA256643513cddadf0c030f055ee91b87429837562586c76b5e4073b7ce7e891fc480
SHA5126ad55870ed6948d9389980072fe82bf7de9166b715f2c331a41486930625137d9c4356001da1514dc40c14552bb36d26f4689604f69fdc61811b5c74def8882a
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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
60KB