Analysis
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max time kernel
131s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
22-02-2024 05:27
General
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Target
2024-02-22_bf8a333264baaf461bd3d694810df90e_cryptolocker.exe
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Size
93KB
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MD5
bf8a333264baaf461bd3d694810df90e
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SHA1
839881f49fa3b00bbb3ba0f1a53a5250aa8b66b2
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SHA256
612e83867d897d88535df4337f0d2ff5aeadb65e286d8ac7ca7d88162a33d02a
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SHA512
e1a2a4a0699a5d8f26af3fb7ff6a988f60835dbab293d976722848ade20013796538dc3b1371ef359ca7247325c2937391cdf7750f7bf72077d1bbf012955ce5
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/sS:zCsanOtEvwDpjBP
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\2024-02-22_bf8a333264baaf461bd3d694810df90e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_bf8a333264baaf461bd3d694810df90e_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
93KB
MD58e686d394d2031a427a500a2a7993434
SHA194d9aa20db00f7f205c8ae1ecca83be50c90b6e3
SHA256b8cd8c5b347c816bd8a87d891acb62d93605765a74d4ddf4a71358a5dbb080b3
SHA512fa1f2fbb8b6ee7831bfb827677d8a024f8e43275993eba0a246797c29a15fa2583772e1244e7bc429c3759a5a8c7edd7b74e4c4f095102310f68510a1743bb13
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB