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
03-06-2024 12:35
General
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Target
2024-06-03_cf358afeb5121ce9112cc0f7cc21d9ad_cryptolocker.exe
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Size
52KB
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MD5
cf358afeb5121ce9112cc0f7cc21d9ad
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SHA1
3c650d1319b7598c52bc695ebb11525de73d1efd
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SHA256
459e9ffe4a136df36f10e975b8d374af26207777f85ee69473e2aa0b5f41752d
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SHA512
18115ec13780e8f76e9a7a8b4eb35b367b5f421a4fe5e2bd567f279309ad882b72ce0866f8c12210a75085b58d64c61b5377d262da29204df0f85c19fc239758
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOmr:z6QFElP6n+gKmddpMOtEvwDpj31imr
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\2024-06-03_cf358afeb5121ce9112cc0f7cc21d9ad_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_cf358afeb5121ce9112cc0f7cc21d9ad_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
53KB
MD572e072023226e3b23495da51153d6936
SHA13d20b811a51dd973635f8d109c61c6cd95237a3a
SHA2561a66740ded2d8e8cd39113d49093fd5201464e97a9444028f4834a95debd84bc
SHA5128eb8e634b99ed704a185e74be5048b4cf7a8a7f9ef3da4ea4126ac50cfdd7e57404534558bd7fb7899671684683b6d02eb631812b6ab61297ef5ab65da39868f
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB