Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
09/05/2024, 07:24
General
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Target
2024-05-09_787e1055b0a93aab4d8f6798be077bcd_cryptolocker.exe
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Size
71KB
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MD5
787e1055b0a93aab4d8f6798be077bcd
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SHA1
b1b60ee552582ee3543f65fddf9dfc95e9acacbd
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SHA256
51320d182e54925a9174141b8eaaaba7f75bc2efd472fb9e26068f935a137752
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SHA512
4f9dd70080ae8785f2995660ed13d9e67ac40198b654c801ec0a44321bfbf113b4e7fa0f16f925e29465891abc7d3f5b70a4f72d5f35f3361c0fc5dbe8c4688e
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs99l:C4Q2c94OtEvwDpj4H8zy
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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\2024-05-09_787e1055b0a93aab4d8f6798be077bcd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-09_787e1055b0a93aab4d8f6798be077bcd_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
71KB
MD58778ccd9fb533e9fbcd48541808f608b
SHA167a8404603ae67b7210a794737582ce9474153f3
SHA25644e5ab0d9f3eaa194768d560590c85fc0ecc9065a83e4e74e0647b9a298459fc
SHA512cf96434225e96d6b39de10b7c41e688b91ff4332fde3023fb95d828281b1e1f525cdc57683bc3ecb779e4e2422d2fd5e6870285cbfaa5a021094e7e1bceae57c
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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