Analysis
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max time kernel
141s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
18-03-2024 13:31
General
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Target
2024-03-18_3643bf2498ccbe42c1a6308eec8f17f4_cryptolocker.exe
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Size
87KB
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MD5
3643bf2498ccbe42c1a6308eec8f17f4
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SHA1
2afdbcc0b84e24e1afc6ef498e01995cdc21f0fe
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SHA256
f7619cd282518579cff96f9beb2bf4bbd9957bbaca56d1c84efd7933bba8b16a
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SHA512
a33490bd635cfdf3e79bc6c12a5b7b8897e93a3c267c950e114132ef37606a9c8b7b5e691894fe5f88bfa75a9bf944a72b4f45c927d05c645aa5b8e25785010c
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIEkpqf:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgj
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\2024-03-18_3643bf2498ccbe42c1a6308eec8f17f4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-18_3643bf2498ccbe42c1a6308eec8f17f4_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.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
87KB
MD566776cbb1ab7ee427137e8df1bb01fb1
SHA155bce9d341d3079450e3287c05c645ca23f1a52a
SHA25673e31592b8baaf9cdfbd9ddaa53c2594bee09eb6aac250a5fea3ebc411733c6f
SHA512b791955df168a430353bb7be7b19f2f04e51ff82b655931b4fe68320cb9cf86a70e2ab6a8a34403925037c008ee909474d1bc5fbfa846b02cfc45fa5039fe2a4
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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
24KB
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Filesize
60KB