Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
27/05/2024, 21:26
General
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Target
2024-05-27_37ee6bb2525b24fc128a6375aad28db2_cryptolocker.exe
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Size
79KB
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MD5
37ee6bb2525b24fc128a6375aad28db2
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SHA1
6e8fe972b93f85449de22ab632df017c6d1c5cd1
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SHA256
ef3cee48b5696fdb2aa79a48a120e3800a0b55b89c594c9f6140aeaff59712b7
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SHA512
4d9d5d3e0abf72a4d456e4b572720e6926a61b420ba9ad4fcf0d6ff30d2b025d29e870450f490c0d2fba69bb503aff35140465ac2a1520e16d23de03cc7770d1
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcR1:T6a+rdOOtEvwDpjNtQ
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-27_37ee6bb2525b24fc128a6375aad28db2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_37ee6bb2525b24fc128a6375aad28db2_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
79KB
MD51505b0a23b692d1d3b1de20da211b617
SHA165b739ab3cb04cea523fbe39a4603f1f2f22ec8b
SHA2567eccb4e0edc50021a6ce312c9d7b570949559023c71de81b4ccc1687d819efbe
SHA5129dda6dafa8e0f81d89d2319522a2b45dd03c4c070685c8b6e3e7e6df81d51a2714ab43f9128e59404c8a18f949e41c8e8e8a595ff89e54f2f22016ad17423294
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Filesize
64KB
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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
24KB
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Filesize
64KB