Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
30/05/2024, 18:47
General
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Target
2024-05-30_078bdb3910cf1d2ace1cd2c4d13556da_cryptolocker.exe
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Size
40KB
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MD5
078bdb3910cf1d2ace1cd2c4d13556da
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SHA1
37155c221bd97a58db8f4e6242b8a784dd26398d
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SHA256
018330396582af31dbfafa98f33e9d5e17875442b51235d5cad2590b504b43a5
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SHA512
9ada803428befa2735dafe1b3f2262eb885dc777cc10c5e96aeb9cd320cb80d04a7f69cd4c494fb6e4f02a7f3dcff5ca9d232beb064aa1a9087bcbab69fea7ed
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYfU:qDdFJy3QMOtEvwDpjjWMl7TYU
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\2024-05-30_078bdb3910cf1d2ace1cd2c4d13556da_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-30_078bdb3910cf1d2ace1cd2c4d13556da_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
40KB
MD5f47981d811ba5801658b743f6ba07d11
SHA19b752421f1391f817e18543b271f7e1543651c5f
SHA256fd0b3f2a54007aec4de9e029783b9065e248ff2c677ef97757a3e22a3f20cafd
SHA512aab8635451335e613f41eace36ad3294d80e806b9d92ca91e8db7115e80e995235cee8307620fa9eea0aa93f0b5992c3508311cfc7d9f21ade6dda2995426107
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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