Analysis
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max time kernel
151s -
max time network
160s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
18/01/2024, 22:33
General
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Target
2024-01-18_28b52a2591057f39ec35ab1689126086_cryptolocker.exe
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Size
76KB
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MD5
28b52a2591057f39ec35ab1689126086
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SHA1
f599b4fc2ac41250e21ff56a71902443b5dadcde
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SHA256
3e6a81e958abb3304615bfaf091bdf9fa686fe91528506ed9c365b9d7376857b
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SHA512
7cbd14cdaadc5112625c1c83b4ddc8cbb82f2786ad011fdb53af276066301bb3f277753eb7b3937b8d691bb391d9d0c9dff7a769b3781f2e4b8264452e74fc96
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QJ:zCsanOtEvwDpjd
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\2024-01-18_28b52a2591057f39ec35ab1689126086_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_28b52a2591057f39ec35ab1689126086_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
76KB
MD58d322f738bc064a3f32ae8922f25154f
SHA15b956365f3e0a22a60812d1bfce92490a22eb043
SHA256a78b5b3d1fbffd5a3d8177d375280254b3bf424f857387bfe0d3faa17ca19e74
SHA5129f832f468a040e6583964e20eacb0ef6b35022a79a59b6bc45b2f2da8b5d810e92476d8eac99e0f3ca20d0c53b9b2cbcd691add1917172d80ffa1a32cc6ee46e
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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
24KB
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Filesize
24KB
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Filesize
64KB