Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
30/04/2024, 04:37
General
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Target
2024-04-30_36d5919485f8868e8a82a31d8595a4e0_cryptolocker.exe
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Size
58KB
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MD5
36d5919485f8868e8a82a31d8595a4e0
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SHA1
dbad6ae62fb445546fa85d65c9b70f929e99f825
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SHA256
27e52940cc2813a9c26f1628280bd8543ec75d6934e8b440353730eb92ca0029
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SHA512
3d7680e08f7cee0c262d7f4450cf10d36dc434309a4fc2440480527ab9970b1e135c99eb7e016e846286be49d8092755cd87d11761fd2c13250403f1830912b7
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax+N3:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ
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\2024-04-30_36d5919485f8868e8a82a31d8595a4e0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_36d5919485f8868e8a82a31d8595a4e0_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
58KB
MD52afae0bf4fed7ead25afd607b05382d4
SHA194c90389c0dab5243af854e899cb23d2787ffd99
SHA256e7b5c8c7b6ffb13566d01acc3fb51dee9d95ccc94028243d73ddc7e08bed01c6
SHA5124dec5420212905e105e7cbf54ee4ac6983f6d869b63ad0c175e59e4c64c906f9a0f8ea4effc89b83dedeac9eb13a027734c65ab25d03b962ab03b18aa24ed5d2
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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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