Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
23/05/2024, 21:44
General
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Target
2024-05-23_f4d61a608a2356767c615b09c2b80957_cryptolocker.exe
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Size
69KB
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MD5
f4d61a608a2356767c615b09c2b80957
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SHA1
c8b45521c7a9746f73233ea3939bf74d1b53478f
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SHA256
49bffbc03129499d7f4191e8ae42e80f73dc5df9ac6b14a40dcf082cdaf65413
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SHA512
8585557e9d4c309f0f0c99e72546b080c4467f22ca1ddde3f058c5b8fe1fadc9bc63a570e184efd0177f79d5900d895e557fbfe4dd0c6a414e5f126304ecbf26
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SSDEEP
768:quVbxjgQNQXtckstOOtEvwDpjAaDOK6PsED3VK2+ZtyOjgO4r9vFAg2rq6W1A1PJ:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAJ
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\2024-05-23_f4d61a608a2356767c615b09c2b80957_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-23_f4d61a608a2356767c615b09c2b80957_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
69KB
MD5f18429801f725ceacff835dc92d6710a
SHA12acea50136e0cf00fbfc96f3bf700b69fbc9bfa4
SHA25622ee484d1c81b20e3cd8308768d45ad7b3756994a7f1b96c536a6b48ddd6b0fa
SHA51216a24446e0d1f2896f1398538f7d89a60b07918513c3d91cff791a75967d324f1aace1953404bd3cf227b267b918c1d2c04ef5f5baa17b9e3ca3ee72c35113a3
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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