Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
31-05-2024 01:50
General
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Target
2024-05-31_c83854cec1af88635551aff3b96a3310_cryptolocker.exe
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Size
60KB
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MD5
c83854cec1af88635551aff3b96a3310
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SHA1
23e65b5621789e24642f89e8b4322ce3256c60e7
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SHA256
17308d03fdf194e4cb0658b4fb5e142cf00b4fd27fad1e237f0acb0a47a8e026
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SHA512
1699517ce8b7ac16d78a1991ef94005e779f8cd4557a26fcc39bef04268620c26e0d42bf91213b4c742bdb7d3507a2312963ae2943c5009110f4da9822acd25f
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPj8:H6QFElP6n+gou9cvMOtEvwDpjCpVXB
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\2024-05-31_c83854cec1af88635551aff3b96a3310_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_c83854cec1af88635551aff3b96a3310_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
60KB
MD5392ce13ff4a3681c26dfc996e8d72b42
SHA1b85522db0ee431988725f7134a80aeeb8707d960
SHA2563ec9d9bb7985b91f61611842219fe65c218d825a9cbe6bd9c682abef62c5502f
SHA512f0037a6a46332a14c1ec28c5973fd9b1ad35e83ac12a568f1abbc614dad90672d1f1a02128a3dc3543d752e768f6b101d6b3e2532d0aac8db0f4bacf04629098
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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