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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
05/06/2024, 22:22
General
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Target
2024-06-05_543464aa8a0a6053a963586836da668e_cryptolocker.exe
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Size
40KB
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MD5
543464aa8a0a6053a963586836da668e
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SHA1
dcfd97b667bf7f97257f26bf47a1fd9f140ba79d
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SHA256
a891c9d79bcc0ee1399d9b2dc7e94c3acd7cda16440884f2cb82d1a668e49e08
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SHA512
6363200ba4cab21913d929f0776fa4069f337280f50c956913f042ffe359dedd052e50f729cecfc321287a3a608da90b83f751916cf53afbe437eb5ec11c9225
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8R:qDdFJy3QMOtEvwDpjjWMl7Tdn8R
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-05_543464aa8a0a6053a963586836da668e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-05_543464aa8a0a6053a963586836da668e_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
MD5c708e4254cbb785f8b2b5396194252eb
SHA19fd7a62bf3f35089588703f47b9668644bd52358
SHA2563d3a5e08bcb9783c29c0ca9447bafe30d19cdabbb757e4eee5242242f5e8ed20
SHA5126971b0b7e34d08e0a46857053068692481c8ffe5b811bb5f7573f8851d6d556106b42d30e250badbec1b2b6161630728a5eb82bb0ee4e31ce6ff37521ea7e0f8
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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