Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
11-05-2024 05:36
General
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Target
2024-05-11_4c88e5d338099a634b95f41453c51c44_cryptolocker.exe
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Size
41KB
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MD5
4c88e5d338099a634b95f41453c51c44
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SHA1
3163aaf07afe8d3f15f2152f7ee503a84c571b34
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SHA256
0e48fb479555a08353d87f6a808d031f218255144c763ca85bfcb50198a95b76
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SHA512
5778249776adbdf98d3d1a44d6ac44853b9fc51cc4cf3d23d9d8cc18b709e170d3d33675c8244d11e73c5771dd9e12ee54a1d09883d612f950a4d918fa95f3b1
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF+:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkL8
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\2024-05-11_4c88e5d338099a634b95f41453c51c44_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-11_4c88e5d338099a634b95f41453c51c44_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
41KB
MD5cd73273842100ac3a735777e9078864b
SHA1a55ed8bccebb002ccc03474b49419b9d485435ef
SHA2568471283e092499a1d58eb4ff0dcd9a37e3ac6acf4b6ca658c3a0f63a508b293f
SHA5120953ecf4c2117f0a7bb8461f39769f55ecdb81221f1adececc7a46df5ca9a214f7e29f5763a98b90d354cdb2bd3f94a852975646a842794cf80c4eb556c76eb0
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Filesize
24KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB