Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
03/05/2024, 05:34
General
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Target
2024-05-03_4f7a4bf96e8009b8d0e900c7419611a9_cryptolocker.exe
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Size
59KB
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MD5
4f7a4bf96e8009b8d0e900c7419611a9
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SHA1
61d53dd35a82742a2391284468b20fa563a6e830
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SHA256
32641e796108bf69fdfe3212eb5cc9da52e14a73f1c6d6b85b81bca23da7783f
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SHA512
893054482998557181e5b96e6898ec09c92ae508cd5bb25cee48a8afd960ae92a5291717e8c4852aebc033a006fe7393bd70a330713ecf9d0a69ca3139b92ca5
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appulf0:z6QFElP6n+gKmddpMOtEvwDpj9aYaUf0
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\2024-05-03_4f7a4bf96e8009b8d0e900c7419611a9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-03_4f7a4bf96e8009b8d0e900c7419611a9_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
59KB
MD59c0be134ec831cbcd1cf3c7acaed85b9
SHA175b0fe6188713b4f1a961fb131640548438a935b
SHA256e5f637c436501bd6a0c889a5fa47a1877c23a35188f8dccc9c21f22d24592d42
SHA512d4294d16c1ec8bf78e22c5d139c049cc2923bcc5bdc792c3e095de63ba61520968f887759c8e633e1d14349a88d02839dfff49cda734f4e6b0cffde5ad8424e2
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB