Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
26/03/2024, 23:30
General
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Target
2024-03-26_4430f18f0c76b535a24c9cfd3273eee5_cryptolocker.exe
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Size
36KB
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MD5
4430f18f0c76b535a24c9cfd3273eee5
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SHA1
8252c3c212f74034bca50717caa9fe30b7a944b8
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SHA256
28102c603bd4672f3a68527a542c10706a0a8e1bd9ae10b278c04d63a99c05fe
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SHA512
3e29371a0d1b82accdf06696019a042a0474202319d3b1d679cd33ab6fa0635070997c2c310e251fd9160ae34b81576bfcdcdc4b18dba2508aa41bf02778d333
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/Dpk/:qDdFJy3QMOtEvwDpjjWMlU
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\2024-03-26_4430f18f0c76b535a24c9cfd3273eee5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-26_4430f18f0c76b535a24c9cfd3273eee5_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
36KB
MD5cb5eb270fb9a5b25189819cc72398c90
SHA1b3a797b1c5f47ab8f87bd814da02a46fc7ba191e
SHA2569c3e83bd3ccdd5afae37a7ed19aeb5e2ae8282a48a971e4329ce0ab5fd28a76e
SHA512af2bf68e6184f1e4fa7a53adcdca13adfc6df6a61cf43a4f453e901a2cac6b389248d77044ad2e7d3cde30ddf7c86981a2ae9f93f005732ec71f5469f9bbe0a2
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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
64KB
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Filesize
24KB
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Filesize
64KB