Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
31/05/2024, 02:39
General
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Target
2024-05-31_4a75e445eb3272684af5b1d30b531f41_cryptolocker.exe
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Size
95KB
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MD5
4a75e445eb3272684af5b1d30b531f41
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SHA1
c32180b9f3d01513db23f4727b2aa76f9faff268
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SHA256
beda07e7dbad6cf11324c190bf94480105101d9edfe515319d931b818a7e140e
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SHA512
6d4a2302c3f9863a3d8488d8010404fd88c04bd3aec068e475d67faa1fbf0866f651cf73195bb65903b0e3e872915000006c95076817f1c4cf5e33b636e07354
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp0+h:AnBdOOtEvwDpj6ze
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-05-31_4a75e445eb3272684af5b1d30b531f41_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_4a75e445eb3272684af5b1d30b531f41_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
95KB
MD51274225dbf5ea09ea84d50537045dcfa
SHA1bd32e872cbc4a5633413eb8815ab718335bcde8c
SHA256ca685228240a1bb2deb43ccdcc3387b2f44b383d04740f7b3394aa5c1eb08c2d
SHA5129906266a6a974cb8ef96dda7fdc452b17406b470ef684f735fe0d16329f841bc808fa61d64835fd3f3ea2448f7caa62b2cd9f1b1adb94e2fd00374eb69fe53bc
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Filesize
60KB
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Filesize
24KB
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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