Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
07/03/2024, 06:43
General
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Target
2024-03-07_f4dd25a6c36ce5d678f64e8564a65332_cryptolocker.exe
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Size
115KB
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MD5
f4dd25a6c36ce5d678f64e8564a65332
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SHA1
97079d710c826822971000b4b9f16b78fea23c33
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SHA256
833c43e2f7d84613ba3c4010db60e8298f27d4879ef551c44a0682cf9f10c95d
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SHA512
d9f0eabca68f8795a058c10054528d3f36421e09cf1323c6fbf8c89eac500d430fb179ab6cc3c6d9bd52b866e5c12f4178105cb9c27ed76ff37fec9635ac5de9
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01H:z6a+CdOOtEvwDpjcz1
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\2024-03-07_f4dd25a6c36ce5d678f64e8564a65332_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-07_f4dd25a6c36ce5d678f64e8564a65332_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
115KB
MD5faee83ea6705e247b8d845a75a7f64ca
SHA16441b031bf8bef1182164cd918042ba1e6f29f24
SHA256f66a453f5476376a0921f083f3602a5ffbe5526c51ba00a79fca762d2ef063c7
SHA512bfa55cc28fab295ac8b5451bffa7095a417f18039ea099331916367d578eedd0d913b0688e46eb7881df36e85c385239b4c078c309878814e757eac16e97d1e6
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB