Analysis
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max time kernel
133s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
20/03/2024, 00:26
General
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Target
2024-03-20_097b5742a78380e1385c5330747dd31e_cryptolocker.exe
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Size
71KB
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MD5
097b5742a78380e1385c5330747dd31e
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SHA1
df67e1bb82cb4dddcdaaeedd108ea2ec6b4dfab0
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SHA256
d47b697e88ce9014ca4674ba0fd1f46d763ff7b614d73e0cd01221ed46038825
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SHA512
05e1a004ffc2e21a3127becb4ab3eebf66d86c9292876d0d22658f1fae71663f45d0e4d788f6ea10266924d52700b605c503e8021d4f76211fa25c3b64f5b0a4
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBS:z6a+CdOOtEvwDpjQ0
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 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\2024-03-20_097b5742a78380e1385c5330747dd31e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-20_097b5742a78380e1385c5330747dd31e_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
71KB
MD5c3587e342b36e1334a129d5c49e85e1d
SHA11baac315e63eed5043d95ad683573eaa18d4b515
SHA2566fdcf1166ba42d3cd59d06fbbb249f0787caf6749059d59f9f63692146c81d86
SHA51241bb87232835e4d14def07b38e4c72adc041a0c9c783f4f4ddc8fc9c2acb89cd1e1c9af5f6be0247545667aeb5b7f350854a868e24dc3696267a111b9fcd3f0d
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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
64KB
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Filesize
24KB
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Filesize
64KB