Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
11/04/2024, 02:47
General
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Target
2024-04-11_d1340a8696496d8a65e472389dd05a44_cryptolocker.exe
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Size
102KB
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MD5
d1340a8696496d8a65e472389dd05a44
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SHA1
a5c2f2dda58d3009551b92069d422005c7847bbe
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SHA256
bfa0da975c55775e8adee95db2015abd77a7dc5cfec47863f08b790f134adcb8
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SHA512
72f5883b4344c5b66e6168560e7d85dca26be2014d4bc56fef2aaa72c62dfdd4ded97902b785287660f6a64b1ec260619c96c1c6dac69bce5060b35252f19be2
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPeBk:AnBdOOtEvwDpj6zT
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) 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\2024-04-11_d1340a8696496d8a65e472389dd05a44_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-11_d1340a8696496d8a65e472389dd05a44_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
102KB
MD52777708858f78a7c311d97ee0bd6e675
SHA1c9d1f4f3a5bef175707a5d0e9c8b054e5e18d0f5
SHA256ac96567f7bc4a6b93bb136713ec03835bcc77efd5b308b7fd5aa6de2138634be
SHA512fe00f9c9c81c77243c04e515cceb12a1a930557ebbc1f60cb7d877cc581b7aa97885875f2288d028a6ee3a4a1ce48b8b21e98c8d4411ae2a4cb9d5ca8296a7ce
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB