Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
14/05/2024, 21:40
General
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Target
2024-05-14_c880fb6c1a73a1e300b20b99a440aa69_cryptolocker.exe
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Size
39KB
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MD5
c880fb6c1a73a1e300b20b99a440aa69
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SHA1
1b15969b5d65b856bce030b564c8fa705db582c6
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SHA256
3c716b819ac67c6ef3d4719f1f9e2a5e7d5339de6e54bb5b5870feec3310ae13
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SHA512
b90a89964c524ac7edf2637c19664386e7312c20c36512334d97c373140199471d10ec7ea3b8b7cbd7e0a41df505ac62cf6f04e115a540ba31a6b00c9e6c7da5
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB9:qDdFJy3QMOtEvwDpjjWMl7TdL
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\2024-05-14_c880fb6c1a73a1e300b20b99a440aa69_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-14_c880fb6c1a73a1e300b20b99a440aa69_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
MD5b778ef2683e629fdf25c6511afac4bdd
SHA1b5eda622faad9c4ce5bec7bbd7c8c6176bdd44c7
SHA2566a91ca9935fa44d18ab7f90fee8102553acf3380484fc02e2492ecd7e429f9e9
SHA512e9e063acc91490b22e58fc06791d18984515ad78fb2344c48e352dace88dfddd10c0a635b893fdf5984145f8d416a9edec45887eb5a97dc6cc69a4b31cd102b6
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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