Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
23/05/2024, 22:29
General
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Target
2024-05-23_7b29c36fb9a711f8fbba910ed6ef6c84_cryptolocker.exe
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Size
90KB
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MD5
7b29c36fb9a711f8fbba910ed6ef6c84
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SHA1
7d7a121140e2b446a9535419a37ecca42c44af30
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SHA256
bf0f6a7db40f9d9ccd249b1077516153262e1bcc1dd158fced11024866b305b3
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SHA512
cd2dfb3bb57d0ae675353fad67145cf617f8529fb3e8ddde1542ba61fc9ed3b680a1573b4caedd1374672a6eb9911c54b10aa845efc99246b038607a1ff336ea
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/r:n6a+1SEOtEvwDpjYYvQd2P8
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\2024-05-23_7b29c36fb9a711f8fbba910ed6ef6c84_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-23_7b29c36fb9a711f8fbba910ed6ef6c84_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
90KB
MD5c99c280d497e6515940e6f57950e730c
SHA1e1e750bb88d13dde63ed22f2e0b168daf63c517c
SHA25606cf9b9c0344ce64d93e814cd20a88163fb234661272cf1ce0c146ba18d26709
SHA512f34438c1d2a32d7c4bd5a842e38fb023c05fdebf83a5325c7583a2845feda4c783a6db4183395235feb403d4d7fa9f6a10587f310381f5e936237b8fb39c569f
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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
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB