Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
21/05/2024, 15:43
General
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Target
2024-05-21_792b0d1e4fe272d65f692490d11d1e63_cryptolocker.exe
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Size
97KB
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MD5
792b0d1e4fe272d65f692490d11d1e63
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SHA1
a18a9560892aa48c10f4f576c2d6a56040fc8d18
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SHA256
9da32751d7eed0f4446993f6363fd76636f002b725b47bcb109147324e1bc83c
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SHA512
0aadd03d4ca2ab3bdca3a74e2a2eb29904da4fb1ad907686579ef02f7bb806a0d455ced07eb531dda1f30d056da4dceae16a2e4888aeb87bfde3bfe5360a0041
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bqIg:zCsanOtEvwDpjBw
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-05-21_792b0d1e4fe272d65f692490d11d1e63_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_792b0d1e4fe272d65f692490d11d1e63_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
97KB
MD593d284b1feb9fe0945436924999d4875
SHA1b8cfd52c164569e2ac16e7d431f458e6bf51a136
SHA25684eef8d82519750c9b5d731a3674563dbbcc2b2be638aac0d22a9894316e385f
SHA51266029d633c1662b58ed5a6863572cf2f31cbcc8c5a666f86043ac925eedb3faf1c1c3748689ac08605a91a453e71d8b9133b8de301355c7a385791616a5d73cf
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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
24KB
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Filesize
24KB
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Filesize
64KB