Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
19/02/2024, 07:47
General
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Target
2024-02-19_66d88d5004e13543b96ecf092b1022ab_cryptolocker.exe
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Size
62KB
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MD5
66d88d5004e13543b96ecf092b1022ab
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SHA1
0f255c3274ead41d281748f2c541e211349e5dc6
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SHA256
f8b0c76dbe5c6db978f9ce6d772f74dad39a4a6e70a9b9319448cb1d3e5e365e
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SHA512
cc16f099575734336f1259ea6bde0119542733b2873c81afb5cda33a2a1f677982efce08185d8471f21f34cae6accfcbe54fb22e70a3b690098f30aec8bffc6b
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVPr:zj+soPSMOtEvwDpj4kpmeLmn5
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\2024-02-19_66d88d5004e13543b96ecf092b1022ab_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-19_66d88d5004e13543b96ecf092b1022ab_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
62KB
MD56161ee973365e16923668487a5771540
SHA1a71b765b7523c09adcbf67d57bfbbf7f1282cdf5
SHA256c8f87583cd2f410664b8f3ce7090d43caa574db6453ca7692538cb2de37050b8
SHA512467f122dbe20c53fa22881726849dbba923701054c3612d4530c0755b42116e27323536a6bd6e82b3ef5e03af742132f1e8447568300c5b2420f3c129255a876
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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