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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
17/04/2024, 19:27
General
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Target
2024-04-17_1bc6d76d61a94c4b789c554350ad43be_cryptolocker.exe
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Size
67KB
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MD5
1bc6d76d61a94c4b789c554350ad43be
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SHA1
5a12d09e9d9855969d675b9432aa6fe7a81788fb
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SHA256
f0076e303ac1915bf38a587147412f26d43f3711ae8d1db5c91ae30d2e0eba7b
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SHA512
656620acac6b11097afe6bfd1239521878dfb5da4213747f0dd885c92d90173690725089887970ebc45d2a72862b398a766d3141d849069c7460e396c9402d35
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SSDEEP
768:quVbxjgQNQXtckstOOtEvwDpjAaDOK6PsED3VK2+ZtyOjgO4r9vFAg2rq6W1A1Pt:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAt
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\2024-04-17_1bc6d76d61a94c4b789c554350ad43be_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-17_1bc6d76d61a94c4b789c554350ad43be_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
67KB
MD580850a3778184547d24352d98024dcd2
SHA1d53da137e72ceb79c88ebe4d87ff2d97285ef763
SHA256e0a2dc17a4387487d06a2a3aa6dcffdd2dc843293eedbb4ca9251ecfc4ddf51e
SHA5125e9d7267f5fb91aafc90ea30e30248d22ce2ef2fa309fae44cb856d6ddb796683b5fbb62e1c682e72436903af475dff170902c3a8f7f1804ac0de2c63c9b13b1
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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
24KB
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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
60KB