Analysis
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max time kernel
133s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
27/05/2024, 21:31
General
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Target
2024-05-27_74de511f36fda0caf1abf8ff39baf5ca_cryptolocker.exe
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Size
52KB
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MD5
74de511f36fda0caf1abf8ff39baf5ca
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SHA1
6c3dd60615ed86a81d2891e391681df337e4f29a
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SHA256
e1a8b60aba3d87df9481ed85eb465a6da2ff5812e073a76b3d5edb06f2e1062c
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SHA512
b03e7c5e18fc902ec6ae519976d9cea7ad4cbc3a36d76b93697dc594e141299e3cdd8b05707ef84793832e62a5c2b10178c0a7a750bcc371e8b7c1a9ccdd2147
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOuv:bODOw9acifAoc+vZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 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\2024-05-27_74de511f36fda0caf1abf8ff39baf5ca_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_74de511f36fda0caf1abf8ff39baf5ca_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.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
53KB
MD5b4569b5c22a9f6e0e0d1300f0c11fe0e
SHA1f104ac91e02f0b6d8de4ec06db09fe3040fcdcc9
SHA256bcd127306eee717ea6c3a540d6c1eb7835b7411ec0f8256da9876a57149ddae1
SHA51253ba178cd0c504c5dacd574c777f548f01643d2e5300e7b0354c18c7627f7b308ca385e55499e799b39b485c291c0ab2f9229ce9ec911e43b1c445f6e2b4c04b
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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
60KB
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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
60KB