Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
10/05/2024, 19:50
General
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Target
2024-05-10_77adecd9ce07503af0a625333c152251_cryptolocker.exe
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Size
39KB
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MD5
77adecd9ce07503af0a625333c152251
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SHA1
7aa5e0026cbf7a38d94957b6ac7e1db7e682d69c
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SHA256
13da9fe90c93532bc45fc74748a8e7a45cb46afc8245e38fddc850858096cef5
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SHA512
546c83519908a7225c67ec5eca1ec382719e3a377da96f0298b113059447597ad90f82cb6e7e29c906958cabc5482b02c69dab0e5d3d6779525db2ab06bf0731
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYD:qDdFJy3QMOtEvwDpjjWMl7TS
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\2024-05-10_77adecd9ce07503af0a625333c152251_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-10_77adecd9ce07503af0a625333c152251_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
39KB
MD521d62bb5906ddac87e9ccc5e67dbb7ea
SHA18c990b5660d050923cccc8faa30a669a16735402
SHA25682563f43453edec42b7cacf61111e52ee7b4bdc15f2c3e134851f37db537513c
SHA5122d436daaf9bf5e464e01409547be1bc18ddfa7e6bcc9fc53f44d91de9c5f5afe0c242ad4464e816f6afe73e30fb1cb2e413154d2538333b1cb25916e812ca0c8
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB