Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
30/04/2024, 05:42
General
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Target
2024-04-30_e5dde988fc8cf5d1d6a4a8fb281184c7_cryptolocker.exe
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Size
72KB
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MD5
e5dde988fc8cf5d1d6a4a8fb281184c7
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SHA1
330863b128017e472248cda501353ad1460db5cd
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SHA256
5765af950e0941b2543814a32f04c1ed4ab88c7c04a8d27e6d34668e32b2a45e
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SHA512
fcbd6adef5abb8b9ed466ccf960fe2ad50f0806ca79ed6b1e5953613c645d4dd3ea8a41efb2b133a3ebb4687b3da42080b05fffd08932cfeeb94c729fabd3350
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9b:C4Q2c94OtEvwDpj4H8z2
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 2 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\2024-04-30_e5dde988fc8cf5d1d6a4a8fb281184c7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_e5dde988fc8cf5d1d6a4a8fb281184c7_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
72KB
MD52d1fcdb15f72251c24eac8664fee453a
SHA1037f2a50fbf085dc2a4f6735d42f8700aeb627bb
SHA2567c135ead91ab928768ea62d224dbdead662c9e4dabcc9b674e0aad738158fdb4
SHA512a6cc6f783b9e8555085ffb69aba67f5b685874d5718e9acf8f28f2fd031f6cf0c4d7dd3908ca333ea67f869799c04d453078769690ddb9243208a12a49608ee5
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Filesize
64KB
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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
24KB
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Filesize
64KB
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Filesize
64KB