Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
16/04/2024, 07:49
General
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Target
2024-04-16_ff6a070d35a3f8347d0f0da50d03d487_cryptolocker.exe
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Size
65KB
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MD5
ff6a070d35a3f8347d0f0da50d03d487
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SHA1
05dabf67c118cf951dbed86594c72d12146a543e
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SHA256
b71ad1688f924ff8ea830723005b9f37758941226f9ce66f0611d204be388707
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SHA512
c0b9e3c12af9173cc1a7247f30281d35694c26b1ef441098f3bdfa007dfa7771d669422ea9657cc4fabd68e820bc4b614292aa1b64c5024a9a1c0fa6f81c83ab
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kJ7AK2c:zj+soPSMOtEvwDpj4kpmeLmQlAlc
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-16_ff6a070d35a3f8347d0f0da50d03d487_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-16_ff6a070d35a3f8347d0f0da50d03d487_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
65KB
MD587f1bfe5e7af4a8d88e6a748bd68ff30
SHA13a59632c38ca8dd9673b355c2b975fbd5e4ea3c2
SHA256d995eb43e88d0cdb8e5eee45837fa6d4808f1e9b69e637c945a4c26374a7aa9f
SHA512484b13a773f1cec4d7d8d6e21c5b67a5d96bd385156314ed29c70f2f85bf45cfbb0c65257155dee8df671d5de95df2ee378b574331f6964086a076a89ca9d8dd
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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
24KB
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Filesize
24KB
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Filesize
64KB