Analysis
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max time kernel
141s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
25-03-2024 16:31
General
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Target
2024-03-25_53ec1f5b0c3b4b72b3d4094074d63b6a_cryptolocker.exe
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Size
85KB
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MD5
53ec1f5b0c3b4b72b3d4094074d63b6a
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SHA1
0edbfa9f4553e6668d674d743d18c0ee1bd42af0
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SHA256
25b7eca1fceba3717eabba6411bc574c0b92cde48d925a6326577456d8681954
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SHA512
1eb9acc9bf56ef4e1a2b22a0acb729110d526e4b50b318dc7b2bcea5001a546746ecb2bac8d2885d37f8477ec27d94c13cda256a9e0637e0274840643aa3a149
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgBW:AnBdOOtEvwDpj6zY
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-25_53ec1f5b0c3b4b72b3d4094074d63b6a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-25_53ec1f5b0c3b4b72b3d4094074d63b6a_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
86KB
MD59d5d98bf8b88f0fb81130a797edfb723
SHA1c43523726bd6371567e02dec2b19a9405c4c17fa
SHA25695f76370885ac303763789ca69dce78241e3ad678b224a9d4b360b4a58db53ef
SHA5129df165e7a2388ca7e0c752b3be4b9efa79a9bf71639e5036a9a9e26471ea403e95a37d9a6ee08d5ed47f36019157947b1a1e708128608583d80744b92e6cd884
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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
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB