Analysis
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max time kernel
148s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
20-04-2024 11:30
General
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Target
2024-04-20_a3ea39257c8ed913cf58410f21726841_cryptolocker.exe
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Size
68KB
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MD5
a3ea39257c8ed913cf58410f21726841
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SHA1
df6591c86b5c89ef9cd7622a8c2b58666f0bf211
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SHA256
033ec255cbb72271120c671064ee274629396fb46dfe8a15280f6e17520da751
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SHA512
64a87d8838c6275fa8faa87afc23448a3b77503cf3c51cf3377be0dfc78afbda245c47879d9c48f24bda860729d21ae051ff8016e0ee18e7b0c0e681391b75e9
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SSDEEP
768:quVbxjgQNQXtckstOOtEvwDpjAaDOK6PsED3VK2+ZtyOjgO4r9vFAg2rq6W1A1Pw:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAw
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\2024-04-20_a3ea39257c8ed913cf58410f21726841_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-20_a3ea39257c8ed913cf58410f21726841_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
68KB
MD5b903f27c3209bf09d9d2822665d9ef73
SHA18d9aaf14644b8a162cd7898de3487a75f9a4e4bf
SHA25652d57849e90fe7fcea993d0ee5b4052e589b5211d80f8a757fdd1b960b8c4560
SHA5129c36b13f9eb4dcba72c83c9ca782eb297f035b3a3f5a9d40ba3271059a77d3b316d2c892c76ae39e4946886e484e89039f890567d7fb1be39354e3fc0f254655
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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
24KB
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Filesize
60KB