Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
30/04/2024, 04:59
General
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Target
2024-04-30_d6d8ff03a6fef7f29b6d88def272faeb_cryptolocker.exe
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Size
37KB
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MD5
d6d8ff03a6fef7f29b6d88def272faeb
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SHA1
0810dd90b0f480e4dfe6dbe8401515fa333259bd
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SHA256
26366db79a4bd96e7c64db26ae8e6828772e99f137ca117a303b134f306a7431
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SHA512
8096a63cff65c116db7b39782695c85d1bdb004b55b43bf51a13373df0366ab7b9504ef62db5ff692786e8e822a3e9bf71e126f51e77cd8b10dffbb38bd5d0ee
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5ax+NEE:qUmnpomddpMOtEvwDpjjaYapE
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\2024-04-30_d6d8ff03a6fef7f29b6d88def272faeb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_d6d8ff03a6fef7f29b6d88def272faeb_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
37KB
MD5eae28e7b61c9c5a3bafbf4015cf08316
SHA12cd41562dec034a8705c57e58ba4bb07c7265a7e
SHA256b5bcb684fa028f84963c698fc0ac2d73ff2643a99c4b990e972b45acd049e360
SHA512f842dfc5c39180db4c25c0de7c0614b6b00f8e1dd4450b82aa303fa742bb6d61e66a87faa8ac932a502fa34efe90143cdcbe959790cbe9a852df1fd30476dc42
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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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