Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
08-03-2024 06:30
General
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Target
2024-03-08_fe66539ef2ccb78c021d46b6d6a060bd_cryptolocker.exe
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Size
67KB
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MD5
fe66539ef2ccb78c021d46b6d6a060bd
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SHA1
63e38931e77680958130df0029e60fb26c324f5b
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SHA256
384456e1683549f7ecddbb492b47607922aee2893ad38b2f842e2c8b7386cfb3
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SHA512
5be920127d75159c6a47f57897309fc8e64e48fd6c1c6bef41d96bc1027d5076c7c2806d8cc2f9ba91fd2ab75a9383d54948997da79938c6cd738ea7ffcc5bfc
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvCbDa6JU:z6a+CdOOtEvwDpjQHW
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-03-08_fe66539ef2ccb78c021d46b6d6a060bd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-08_fe66539ef2ccb78c021d46b6d6a060bd_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
67KB
MD5917920e6acf952f9896538ee084825c6
SHA192538d15adc610ad78ecf0b2c871efca678de243
SHA256f12fec51b06aedb9505f44ac6ff9f7b4c30bfbbe5996838803aa19755e180267
SHA512b1a589256d2d3c0cee604fe16fa465a18c325fce8fb4e8550e7c5887dd9ba5bda32557baa9a91768154de92a9134d468d10595caec1299b197bdb9387d10c1db
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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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