Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
24/05/2024, 06:49
General
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Target
2024-05-24_f65f6f54d256c043167f41c6cd92e4b7_cryptolocker.exe
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Size
89KB
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MD5
f65f6f54d256c043167f41c6cd92e4b7
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SHA1
2c7ebebb8c4d6d4d79229c80d52dfe6cafe8d6f6
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SHA256
0146a25820f847c53b42690efef7274506b58098665fb442df2be399abcec352
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SHA512
680771f770e9808f9956ef206ec36210b226cd98e6a8cd2c5503cf36233838738d4e1522b7e03d4fbe0fc57f6fdbeef0a0ac71dde4551d8007d3552f41ccbf0c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgip:AnBdOOtEvwDpj6zW
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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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 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-24_f65f6f54d256c043167f41c6cd92e4b7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-24_f65f6f54d256c043167f41c6cd92e4b7_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
89KB
MD5471e67e51de7e346ce7d81b2d39d37ab
SHA1854525deee34ecc1f7fba422ec56b4a1e4f0ea85
SHA2562364a154dcf1713d2a1c687ae586d0d9517010486cc776d3375b475623ff162e
SHA512a48190b331845b563be6876851a60c65d835d9a6354ae111835054476578244ad9c66ef207389d80b3e2b2acdafe025cf351b6c0cdf281b9b5e3ed6991bd8ee0
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB