Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
14/05/2024, 04:40
General
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Target
2024-05-14_b71638ed12e6384850f0b99e71d0772b_cryptolocker.exe
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Size
50KB
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MD5
b71638ed12e6384850f0b99e71d0772b
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SHA1
4bffb8f43e5bb6e77a4e3f1881301eff599b1139
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SHA256
d81c6818baf10386f0c105a2bad2eb84dc56ae5a32526c2d94672932999969ff
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SHA512
924c02092d9795b58ff0cf02d61edbbab524a73b07d37e74af376d0e2227a4ac1353b6dd32dc14c64eeaa221b7ea1273f9ef312f67820c80e1f39318b0dfe6dd
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2MoccG:qmbhXDmjr5MOtEvwDpj5cDtKkQZQ8
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 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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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\2024-05-14_b71638ed12e6384850f0b99e71d0772b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-14_b71638ed12e6384850f0b99e71d0772b_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
51KB
MD59d9eb9d9d4b838b1a96c896eecf6d5f0
SHA16416b56ae3ebda5b5994573d09ea2c709ec7f440
SHA25694b6750b37689e9718da0097b79f77ff124c6513183ac955d5f08615d924db61
SHA5128c4616a98e0d6b2e94475194a53c24d04956abb7e205314e6650f993b03e95743f620a9b2299aa652b870116a259c28e1bfe770cbd7535269b960e6f0f5ea73f
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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
24KB
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Filesize
64KB