Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
17-02-2024 23:32
General
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Target
2024-02-17_86ee463da807c550a6043b74a95a3b1c_cryptolocker.exe
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Size
76KB
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MD5
86ee463da807c550a6043b74a95a3b1c
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SHA1
af72b6225491c9d6f6f7b5b53dd5138c7fd7faf7
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SHA256
feae671216f0817748ecdc5f53d0880f14565b8ba950f1df8f05cdaa8734cba3
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SHA512
56aae7cef2dc10b63d137299098bac7b45c5bee0ee53f18aca655d6863a25ac75212355ab04a3fcfe28ab1e95d9d3ff0358990a15704027fb3d96933aa512c04
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlqrr1HBJooSeKzu1adyB3:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyB
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\2024-02-17_86ee463da807c550a6043b74a95a3b1c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-17_86ee463da807c550a6043b74a95a3b1c_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
76KB
MD5c8001da73b1ba3c41e9d7b6a0fb9cf0c
SHA1750bfd815dc7b2c6b3938314c843f418ea8a450d
SHA2565caecae3b952492bd457e485167bc1ad958be33ec9e370b0dadc4d312f1b857f
SHA5126741dbf40ebb7a99337e8c404192bf17f4ae65ea5cdec576f8603194eb877a0dd3dbf98c41fa21faa92cda78f7e526a507b7e0d2501725d89dcc5d713c2c27f4
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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