Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240220-en -
resource tags
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submitted
21-02-2024 00:22
General
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Target
2024-02-21_55b7598c7a60f53008a1e3fc9da432b5_cryptolocker.exe
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Size
48KB
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MD5
55b7598c7a60f53008a1e3fc9da432b5
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SHA1
98c9882b7c56bb211ae3f40d8172f6d0c50d135e
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SHA256
4ea24c81b1f711a9b81d03f2dc7b3c16bf5ccec57e882a2ccfc9cdaf54c0a9fc
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SHA512
9bc16bf5f8af22f2d728b0fea5529ddba3e308e62cf6271837fd1b2d0151d0d87d277990dc130d39dc3aad6f97b6a939263877aab8c62120affeecad4c81dde8
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnTaF:79mqyNhQMOtEvwDpjBxe8LF
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 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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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\2024-02-21_55b7598c7a60f53008a1e3fc9da432b5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_55b7598c7a60f53008a1e3fc9da432b5_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
48KB
MD50653e5fcc203bbbb4cd63843826a0500
SHA120ca3e7da9b52a54eb325b8800c578d7e5ca8d38
SHA2563009ad00eaa77e729968893996cffc781bb9ab85c52a7bcb6c84ca0bf83bc147
SHA51274f964a9bf8a86ad5b7db57afdbd4c28f335f1c1e503ccec6d9888314e04ba0dd15b7be668acab8d2321bd1143452f1dc1fb50ebf11020db0fefde23f5260845
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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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